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nextcloud-monitoring-dashboard / zabbix-templates / 6.0 / linux-zabbix-template.json
{
    "zabbix_export": {
        "version": "6.0",
        "date": "2024-08-20T09:38:09Z",
        "groups": [
            {
                "uuid": "846977d1dfed4968bc5f8bdb363285bc",
                "name": "Templates/Operating systems"
            }
        ],
        "templates": [
            {
                "uuid": "f8f7908280354f2abeed07dc788c3747",
                "template": "Linux by Zabbix agent",
                "name": "Linux by Zabbix agent",
                "description": "Official Linux template. Requires agent of Zabbix 6.0 or newer.\n      \nYou can discuss this template or leave feedback on our forum https://www.zabbix.com/forum/zabbix-suggestions-and-feedback/387225-discussion-thread-for-official-zabbix-template-for-linux\n\nGenerated by official Zabbix template tool \"Templator\"",
                "groups": [
                    {
                        "name": "Templates/Operating systems"
                    }
                ],
                "items": [
                    {
                        "uuid": "df561a0cece94760a78704edf7da7326",
                        "name": "Linux: Host name of Zabbix agent running",
                        "key": "agent.hostname",
                        "delay": "1h",
                        "history": "7d",
                        "trends": "0",
                        "value_type": "CHAR",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1d"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ]
                    },
                    {
                        "uuid": "f94f9f4699e94c369e6c98b2a2f485ce",
                        "name": "Linux: Zabbix agent ping",
                        "key": "agent.ping",
                        "history": "7d",
                        "description": "The agent always returns 1 for this item. It could be used in combination with nodata() for availability check.",
                        "valuemap": {
                            "name": "Zabbix agent ping status"
                        },
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ]
                    },
                    {
                        "uuid": "27c42cf180b44632b5d9b8b5788165b3",
                        "name": "Linux: Version of Zabbix agent running",
                        "key": "agent.version",
                        "delay": "1h",
                        "history": "7d",
                        "trends": "0",
                        "value_type": "CHAR",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1d"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "application"
                            }
                        ]
                    },
                    {
                        "uuid": "ef386d03ff2c42ffa236acd5215ad547",
                        "name": "Linux: Maximum number of open file descriptors",
                        "key": "kernel.maxfiles",
                        "delay": "1h",
                        "history": "7d",
                        "description": "It could be increased by using `sysctl` utility or modifying the file `/etc/sysctl.conf`.",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1d"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "b9bdcf42f54a409a9a9a616dbd0eaed2",
                                "expression": "last(/Linux by Zabbix agent/kernel.maxfiles)<{$KERNEL.MAXFILES.MIN}",
                                "name": "Linux: Configured max number of open filedescriptors is too low",
                                "event_name": "Linux: Configured max number of open filedescriptors is too low (< {$KERNEL.MAXFILES.MIN})",
                                "priority": "INFO",
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "performance"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "678d70c041954ac8982fb5118b49f6e7",
                        "name": "Linux: Maximum number of processes",
                        "key": "kernel.maxproc",
                        "delay": "1h",
                        "history": "7d",
                        "description": "It could be increased by using `sysctl` utility or modifying the file `/etc/sysctl.conf`.",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1d"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "8cf253ca3eea4109a90443f9cb76fc5c",
                                "expression": "last(/Linux by Zabbix agent/kernel.maxproc)<{$KERNEL.MAXPROC.MIN}",
                                "name": "Linux: Configured max number of processes is too low",
                                "event_name": "Linux: Configured max number of processes is too low (< {$KERNEL.MAXPROC.MIN})",
                                "priority": "INFO",
                                "dependencies": [
                                    {
                                        "name": "Linux: Getting closer to process limit",
                                        "expression": "last(/Linux by Zabbix agent/proc.num)/last(/Linux by Zabbix agent/kernel.maxproc)*100>80"
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "performance"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "ab7d0471092544a6a950184d1bac906d",
                        "name": "Linux: Number of processes",
                        "key": "proc.num",
                        "history": "7d",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ]
                    },
                    {
                        "uuid": "b2637293884d40108f41b11767dd5be0",
                        "name": "Linux: Number of running processes",
                        "key": "proc.num[,,run]",
                        "history": "7d",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ]
                    },
                    {
                        "uuid": "27cb0f66bb624146acfdd81b58f108a3",
                        "name": "Linux: System boot time",
                        "key": "system.boottime",
                        "delay": "15m",
                        "history": "7d",
                        "units": "unixtime",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1h"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ]
                    },
                    {
                        "uuid": "5d186a46867b4eaaafd6396d3239dd3b",
                        "name": "Linux: Interrupts per second",
                        "key": "system.cpu.intr",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "preprocessing": [
                            {
                                "type": "CHANGE_PER_SECOND",
                                "parameters": [
                                    ""
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "48528aa936a04c8189375a6eae4033da",
                        "name": "Linux: Load average (1m avg)",
                        "key": "system.cpu.load[all,avg1]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "953beb580df8418cb88b667b9dd37259",
                        "name": "Linux: Load average (5m avg)",
                        "key": "system.cpu.load[all,avg5]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "5716000e38e24dae8ead4ed98ede024b",
                        "name": "Linux: Load average (15m avg)",
                        "key": "system.cpu.load[all,avg15]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "f72e115544eb4079b09fec8c3539241c",
                        "name": "Linux: Number of CPUs",
                        "key": "system.cpu.num",
                        "history": "7d",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1d"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "73e85aa10a704fc7950d2d077f0c54ee",
                        "name": "Linux: Context switches per second",
                        "key": "system.cpu.switches",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "preprocessing": [
                            {
                                "type": "CHANGE_PER_SECOND",
                                "parameters": [
                                    ""
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "ca4235ec7607469cb0124a6253d3c489",
                        "name": "Linux: CPU utilization",
                        "type": "DEPENDENT",
                        "key": "system.cpu.util",
                        "delay": "0",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The CPU utilization expressed in %.",
                        "preprocessing": [
                            {
                                "type": "JAVASCRIPT",
                                "parameters": [
                                    "return (100 - value)"
                                ]
                            }
                        ],
                        "master_item": {
                            "key": "system.cpu.util[,idle]"
                        },
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "b4e904559b694df0ad45bcce7930c3a6",
                                "expression": "min(/Linux by Zabbix agent/system.cpu.util,5m)>{$CPU.UTIL.CRIT}",
                                "name": "Linux: High CPU utilization",
                                "event_name": "Linux: High CPU utilization (over {$CPU.UTIL.CRIT}% for 5m)",
                                "opdata": "Current utilization: {ITEM.LASTVALUE1}",
                                "priority": "WARNING",
                                "description": "The CPU utilization is too high. The system might be slow to respond.",
                                "dependencies": [
                                    {
                                        "name": "Linux: Load average is too high",
                                        "expression": "min(/Linux by Zabbix agent/system.cpu.load[all,avg1],5m)/last(/Linux by Zabbix agent/system.cpu.num)>{$LOAD_AVG_PER_CPU.MAX.WARN}\nand last(/Linux by Zabbix agent/system.cpu.load[all,avg5])>0\nand last(/Linux by Zabbix agent/system.cpu.load[all,avg15])>0"
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "performance"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "69b187838fb74f319e47c2ff4f99ef54",
                        "name": "Linux: CPU guest time",
                        "key": "system.cpu.util[,guest]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "Guest time - the time spent on running a virtual CPU for a guest operating system.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "a2b07497f2f343a99d26ad77e65bb54f",
                        "name": "Linux: CPU guest nice time",
                        "key": "system.cpu.util[,guest_nice]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The time spent on running a niced guest (a virtual CPU for guest operating systems under the control of the Linux kernel).",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "7aad6d159baa4a24901847144f0d231b",
                        "name": "Linux: CPU idle time",
                        "key": "system.cpu.util[,idle]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The time the CPU has spent doing nothing.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "cc4bc7693ae84f9bb18cee38d0814195",
                        "name": "Linux: CPU interrupt time",
                        "key": "system.cpu.util[,interrupt]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The amount of time the CPU has been servicing hardware interrupts.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "5df67d9162cc437585990cc8708be894",
                        "name": "Linux: CPU iowait time",
                        "key": "system.cpu.util[,iowait]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The amount of time the CPU has been waiting for I/O to complete.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "8ee6e54c86ba44ab88bb9e83c632c1ed",
                        "name": "Linux: CPU nice time",
                        "key": "system.cpu.util[,nice]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The time the CPU has spent running users' processes that have been niced.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "a949a36004a449c58bef0cdc9d3fafd6",
                        "name": "Linux: CPU softirq time",
                        "key": "system.cpu.util[,softirq]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The amount of time the CPU has been servicing software interrupts.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "3161dbd18e874e69b729c8e903cf7390",
                        "name": "Linux: CPU steal time",
                        "key": "system.cpu.util[,steal]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The amount of \"stolen\" CPU from this virtual machine by the hypervisor for other tasks, such as running another virtual machine.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "d93097ed5ce74d35b6041ef2b5ba18e8",
                        "name": "Linux: CPU system time",
                        "key": "system.cpu.util[,system]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The time the CPU has spent running the kernel and its processes.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "57f9e2e34fab41e18e2bc93e786c92c6",
                        "name": "Linux: CPU user time",
                        "key": "system.cpu.util[,user]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The time the CPU has spent running users' processes that are not niced.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "cpu"
                            }
                        ]
                    },
                    {
                        "uuid": "207341f390134e37ad431e2823666eb9",
                        "name": "Linux: System name",
                        "key": "system.hostname",
                        "delay": "1h",
                        "history": "7d",
                        "trends": "0",
                        "value_type": "CHAR",
                        "description": "The host name of the system.",
                        "inventory_link": "NAME",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "12h"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "371a12f95a26438d8da659c84364631b",
                                "expression": "change(/Linux by Zabbix agent/system.hostname) and length(last(/Linux by Zabbix agent/system.hostname))>0",
                                "name": "Linux: System name has changed",
                                "event_name": "Linux: System name has changed (new name: {ITEM.VALUE})",
                                "priority": "INFO",
                                "description": "The name of the system has changed. Acknowledge to close the problem manually.",
                                "manual_close": "YES",
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "notice"
                                    },
                                    {
                                        "tag": "scope",
                                        "value": "security"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "6072902361404672a444841c786875e6",
                        "name": "Linux: System local time",
                        "key": "system.localtime",
                        "history": "7d",
                        "units": "unixtime",
                        "description": "The local system time of the host.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "fb77b6ac381c4b5289584bd91e7da7d5",
                                "expression": "fuzzytime(/Linux by Zabbix agent/system.localtime,{$SYSTEM.FUZZYTIME.MAX})=0",
                                "recovery_mode": "RECOVERY_EXPRESSION",
                                "recovery_expression": "fuzzytime(/Linux by Zabbix agent/system.localtime,{$SYSTEM.FUZZYTIME.MIN})=1",
                                "name": "Linux: System time is out of sync",
                                "event_name": "Linux: System time is out of sync (diff with Zabbix server > {$SYSTEM.FUZZYTIME.MAX})",
                                "priority": "WARNING",
                                "description": "The host's system time is different from Zabbix server time.",
                                "manual_close": "YES",
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "availability"
                                    },
                                    {
                                        "tag": "scope",
                                        "value": "performance"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "fd21580a151246b0a340bf924c326aa8",
                        "name": "Linux: Operating system architecture",
                        "key": "system.sw.arch",
                        "delay": "1h",
                        "history": "7d",
                        "trends": "0",
                        "value_type": "CHAR",
                        "description": "The architecture of the operating system.",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1d"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "os"
                            }
                        ]
                    },
                    {
                        "uuid": "5e4c3d14634843e9b7b182e8fc08efbe",
                        "name": "Linux: Operating system",
                        "key": "system.sw.os",
                        "delay": "1h",
                        "history": "7d",
                        "trends": "0",
                        "value_type": "CHAR",
                        "inventory_link": "OS",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1d"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "os"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "b1998f98c06b49dd8d71e1c6df409371",
                                "expression": "change(/Linux by Zabbix agent/system.sw.os) and length(last(/Linux by Zabbix agent/system.sw.os))>0",
                                "name": "Linux: Operating system description has changed",
                                "priority": "INFO",
                                "description": "The description of the operating system has changed. Possible reasons are that the system has been updated or replaced. Acknowledge to close the problem manually.",
                                "manual_close": "YES",
                                "dependencies": [
                                    {
                                        "name": "Linux: System name has changed",
                                        "expression": "change(/Linux by Zabbix agent/system.hostname) and length(last(/Linux by Zabbix agent/system.hostname))>0"
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "notice"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "58818005e76d46dda14d6592f601ab00",
                        "name": "Linux: Software installed",
                        "key": "system.sw.packages",
                        "delay": "1h",
                        "history": "7d",
                        "trends": "0",
                        "value_type": "TEXT",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1d"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "os"
                            }
                        ]
                    },
                    {
                        "uuid": "160b82c121b147cbbf18c34dbb01d3ce",
                        "name": "Linux: Free swap space",
                        "key": "system.swap.size[,free]",
                        "history": "7d",
                        "units": "B",
                        "description": "The free space of the swap volume/file expressed in bytes.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "memory"
                            },
                            {
                                "tag": "component",
                                "value": "storage"
                            }
                        ]
                    },
                    {
                        "uuid": "ca423242172f4b20ba47c26f4a61aee7",
                        "name": "Linux: Free swap space in %",
                        "key": "system.swap.size[,pfree]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The free space of the swap volume/file expressed in %.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "memory"
                            },
                            {
                                "tag": "component",
                                "value": "storage"
                            }
                        ]
                    },
                    {
                        "uuid": "102c81b5523c4be0b4beae3cb88ebde1",
                        "name": "Linux: Total swap space",
                        "key": "system.swap.size[,total]",
                        "history": "7d",
                        "units": "B",
                        "description": "The total space of the swap volume/file expressed in bytes.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "memory"
                            },
                            {
                                "tag": "component",
                                "value": "storage"
                            }
                        ]
                    },
                    {
                        "uuid": "fc6898682f904c57ba28bcb3748b237f",
                        "name": "Linux: System description",
                        "key": "system.uname",
                        "delay": "15m",
                        "history": "7d",
                        "trends": "0",
                        "value_type": "CHAR",
                        "description": "The information as normally returned by `uname -a`.",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "12h"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ]
                    },
                    {
                        "uuid": "8537f6c6ac6b438c80caf227946df891",
                        "name": "Linux: System uptime",
                        "key": "system.uptime",
                        "delay": "30s",
                        "history": "7d",
                        "trends": "0",
                        "units": "uptime",
                        "description": "The system uptime expressed in the following format: \"N days, hh:mm:ss\".",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "1dbab80d7b6847e5b5a676cffba0fd1d",
                                "expression": "last(/Linux by Zabbix agent/system.uptime)<10m",
                                "name": "Linux: {HOST.NAME} has been restarted",
                                "event_name": "Linux: {HOST.NAME} has been restarted (uptime < 10m)",
                                "priority": "WARNING",
                                "description": "The host uptime is less than 10 minutes.",
                                "manual_close": "YES",
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "notice"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "88056b3d2e424d5aba7cabcd4b043c9e",
                        "name": "Linux: Number of logged in users",
                        "key": "system.users.num",
                        "history": "7d",
                        "description": "The number of users who are currently logged in.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "environment"
                            }
                        ]
                    },
                    {
                        "uuid": "3b93d3590df24a46b29f6eb06f5e2446",
                        "name": "Linux: Checksum of /etc/passwd",
                        "key": "vfs.file.cksum[/etc/passwd,sha256]",
                        "delay": "15m",
                        "history": "7d",
                        "trends": "0",
                        "value_type": "CHAR",
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1h"
                                ]
                            }
                        ],
                        "tags": [
                            {
                                "tag": "component",
                                "value": "security"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "3a764881727b4e7eb01e137ccfc968a2",
                                "expression": "last(/Linux by Zabbix agent/vfs.file.cksum[/etc/passwd,sha256],#1)<>last(/Linux by Zabbix agent/vfs.file.cksum[/etc/passwd,sha256],#2)",
                                "name": "Linux: /etc/passwd has been changed",
                                "priority": "INFO",
                                "manual_close": "YES",
                                "dependencies": [
                                    {
                                        "name": "Linux: Operating system description has changed",
                                        "expression": "change(/Linux by Zabbix agent/system.sw.os) and length(last(/Linux by Zabbix agent/system.sw.os))>0"
                                    },
                                    {
                                        "name": "Linux: System name has changed",
                                        "expression": "change(/Linux by Zabbix agent/system.hostname) and length(last(/Linux by Zabbix agent/system.hostname))>0"
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "security"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "e811e6e2ae84461294e121f12e767b40",
                        "name": "Linux: Available memory",
                        "key": "vm.memory.size[available]",
                        "history": "7d",
                        "units": "B",
                        "description": "The available memory:\n- in Linux - available = free + buffers + cache;\n- on other platforms calculation may vary.\n\nSee also Appendixes in Zabbix Documentation about parameters of the `vm.memory.size` item.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "memory"
                            }
                        ]
                    },
                    {
                        "uuid": "20779a4c43374e5f9bea2584e93b85ef",
                        "name": "Linux: Available memory in %",
                        "key": "vm.memory.size[pavailable]",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The available memory as percentage of the total. See also Appendixes in Zabbix Documentation about parameters of the `vm.memory.size` item.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "memory"
                            }
                        ]
                    },
                    {
                        "uuid": "d5c3541a7c0949ce812df1beb0732941",
                        "name": "Linux: Total memory",
                        "key": "vm.memory.size[total]",
                        "history": "7d",
                        "units": "B",
                        "description": "The total memory expressed in bytes.",
                        "tags": [
                            {
                                "tag": "component",
                                "value": "memory"
                            }
                        ]
                    },
                    {
                        "uuid": "403cebed115441369e94d35d070ca7b8",
                        "name": "Linux: Memory utilization",
                        "type": "DEPENDENT",
                        "key": "vm.memory.utilization",
                        "delay": "0",
                        "history": "7d",
                        "value_type": "FLOAT",
                        "units": "%",
                        "description": "The percentage of used memory is calculated as `100-pavailable`.",
                        "preprocessing": [
                            {
                                "type": "JAVASCRIPT",
                                "parameters": [
                                    "return (100-value);"
                                ]
                            }
                        ],
                        "master_item": {
                            "key": "vm.memory.size[pavailable]"
                        },
                        "tags": [
                            {
                                "tag": "component",
                                "value": "memory"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "cfd395b1cde74ef18a5e5f840bd5142a",
                                "expression": "min(/Linux by Zabbix agent/vm.memory.utilization,5m)>{$MEMORY.UTIL.MAX}",
                                "name": "Linux: High memory utilization",
                                "event_name": "Linux: High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m)",
                                "priority": "AVERAGE",
                                "description": "The system is running out of free memory.",
                                "dependencies": [
                                    {
                                        "name": "Linux: Lack of available memory",
                                        "expression": "max(/Linux by Zabbix agent/vm.memory.size[available],5m)<{$MEMORY.AVAILABLE.MIN} and last(/Linux by Zabbix agent/vm.memory.size[total])>0"
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "capacity"
                                    },
                                    {
                                        "tag": "scope",
                                        "value": "performance"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "ca48c53be1bf46ae9dd2707158a55139",
                        "name": "Linux: Zabbix agent availability",
                        "type": "INTERNAL",
                        "key": "zabbix[host,agent,available]",
                        "history": "7d",
                        "description": "Monitoring the availability status of the agent.",
                        "valuemap": {
                            "name": "zabbix.host.available"
                        },
                        "tags": [
                            {
                                "tag": "component",
                                "value": "system"
                            }
                        ],
                        "triggers": [
                            {
                                "uuid": "93594214371b4dc88b41663cad8537f0",
                                "expression": "max(/Linux by Zabbix agent/zabbix[host,agent,available],{$AGENT.TIMEOUT})=0",
                                "name": "Linux: Zabbix agent is not available",
                                "event_name": "Linux: Zabbix agent is not available (for {$AGENT.TIMEOUT})",
                                "priority": "AVERAGE",
                                "description": "For passive only agents, host availability is used with {$AGENT.TIMEOUT} as time threshold.",
                                "manual_close": "YES",
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "availability"
                                    }
                                ]
                            }
                        ]
                    }
                ],
                "discovery_rules": [
                    {
                        "uuid": "acfdea9c46ef48c68e6636f43b8f96a2",
                        "name": "Network interface discovery",
                        "key": "net.if.discovery",
                        "delay": "1h",
                        "filter": {
                            "evaltype": "AND",
                            "conditions": [
                                {
                                    "macro": "{#IFNAME}",
                                    "value": "{$NET.IF.IFNAME.MATCHES}",
                                    "formulaid": "A"
                                },
                                {
                                    "macro": "{#IFNAME}",
                                    "value": "{$NET.IF.IFNAME.NOT_MATCHES}",
                                    "operator": "NOT_MATCHES_REGEX",
                                    "formulaid": "B"
                                }
                            ]
                        },
                        "description": "The discovery of network interfaces.",
                        "item_prototypes": [
                            {
                                "uuid": "4d66608e190e4be7a438ea5d0d26e353",
                                "name": "Interface {#IFNAME}: Inbound packets discarded",
                                "key": "net.if.in[\"{#IFNAME}\",dropped]",
                                "delay": "3m",
                                "history": "7d",
                                "preprocessing": [
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "network"
                                    },
                                    {
                                        "tag": "interface",
                                        "value": "{#IFNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "ed79960ca91f4e2ca45fed014a02c50b",
                                "name": "Interface {#IFNAME}: Inbound packets with errors",
                                "key": "net.if.in[\"{#IFNAME}\",errors]",
                                "delay": "3m",
                                "history": "7d",
                                "preprocessing": [
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "network"
                                    },
                                    {
                                        "tag": "interface",
                                        "value": "{#IFNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "c9941a1f8d904309b581cae5ccc1660c",
                                "name": "Interface {#IFNAME}: Bits received",
                                "key": "net.if.in[\"{#IFNAME}\"]",
                                "delay": "3m",
                                "history": "7d",
                                "units": "bps",
                                "preprocessing": [
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    },
                                    {
                                        "type": "MULTIPLIER",
                                        "parameters": [
                                            "8"
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "network"
                                    },
                                    {
                                        "tag": "interface",
                                        "value": "{#IFNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "0795a375a41d46a2b5c89547061cec8e",
                                "name": "Interface {#IFNAME}: Outbound packets discarded",
                                "key": "net.if.out[\"{#IFNAME}\",dropped]",
                                "delay": "3m",
                                "history": "7d",
                                "preprocessing": [
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "network"
                                    },
                                    {
                                        "tag": "interface",
                                        "value": "{#IFNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "f8e8bbc069414e928a5da9817f4599a5",
                                "name": "Interface {#IFNAME}: Outbound packets with errors",
                                "key": "net.if.out[\"{#IFNAME}\",errors]",
                                "delay": "3m",
                                "history": "7d",
                                "preprocessing": [
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "network"
                                    },
                                    {
                                        "tag": "interface",
                                        "value": "{#IFNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "82897d99b0114c67b0f5b449c768c8e7",
                                "name": "Interface {#IFNAME}: Bits sent",
                                "key": "net.if.out[\"{#IFNAME}\"]",
                                "delay": "3m",
                                "history": "7d",
                                "units": "bps",
                                "preprocessing": [
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    },
                                    {
                                        "type": "MULTIPLIER",
                                        "parameters": [
                                            "8"
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "network"
                                    },
                                    {
                                        "tag": "interface",
                                        "value": "{#IFNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "3efd24ad36b04eb995cfeab82721c2fe",
                                "name": "Interface {#IFNAME}: Operational status",
                                "key": "vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"]",
                                "history": "7d",
                                "trends": "0",
                                "description": "Reference: https://www.kernel.org/doc/Documentation/networking/operstates.txt",
                                "valuemap": {
                                    "name": "ifOperStatus"
                                },
                                "preprocessing": [
                                    {
                                        "type": "JAVASCRIPT",
                                        "parameters": [
                                            "var newvalue;\nswitch(value) {\n  case \"unknown\":\n\tnewvalue = 0;\n\tbreak;\n  case \"notpresent\":\n\tnewvalue = 1;\n\tbreak;\n  case \"down\":\n\tnewvalue = 2;\n\tbreak;\n  case \"lowerlayerdown\":\n\tnewvalue = 3;\n\tbreak;\n  case \"testing\":\n\tnewvalue = 4;\n\tbreak;\n  case \"dormant\":\n\tnewvalue = 5;\n\tbreak;\n  case \"up\":\n\tnewvalue = 6;\n\tbreak;  default:\n\tnewvalue = \"Problem parsing interface operstate in JS\";\n}\nreturn newvalue;"
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "network"
                                    },
                                    {
                                        "tag": "interface",
                                        "value": "{#IFNAME}"
                                    }
                                ],
                                "trigger_prototypes": [
                                    {
                                        "uuid": "4d7f18ca132340b885c0692464dc429f",
                                        "expression": "{$IFCONTROL:\"{#IFNAME}\"}=1 and last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])=2 and (last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"],#1)<>last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"],#2))",
                                        "recovery_mode": "RECOVERY_EXPRESSION",
                                        "recovery_expression": "last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])<>2 or {$IFCONTROL:\"{#IFNAME}\"}=0",
                                        "name": "Interface {#IFNAME}: Link down",
                                        "opdata": "Current state: {ITEM.LASTVALUE1}",
                                        "priority": "AVERAGE",
                                        "description": "This trigger expression works as follows:\n1. It can be triggered if the operations status is down.\n2. `{$IFCONTROL:\"{#IFNAME}\"}=1` - a user can redefine context macro to value - 0. That marks this interface as not important. No new trigger will be fired if this interface is down.\n3. `{TEMPLATE_NAME:METRIC.diff()}=1` - the trigger fires only if the operational status was up to (1) sometime before (so, do not fire for the 'eternal off' interfaces.)\n\nWARNING: if closed manually - it will not fire again on the next poll, because of .diff.",
                                        "manual_close": "YES",
                                        "tags": [
                                            {
                                                "tag": "scope",
                                                "value": "availability"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "uuid": "f4c456e1f9ef4adbbd11f1ee17fa4d76",
                                "name": "Interface {#IFNAME}: Speed",
                                "key": "vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"]",
                                "delay": "5m",
                                "history": "7d",
                                "trends": "0",
                                "units": "bps",
                                "description": "It indicates the latest or current speed value of the interface. The value is an integer representing the link speed expressed in bits/sec.\nThis attribute is only valid for the interfaces that implement the ethtool `get_link_ksettings` method (mostly Ethernet).\n\nReference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net",
                                "preprocessing": [
                                    {
                                        "type": "MULTIPLIER",
                                        "parameters": [
                                            "1000000"
                                        ]
                                    },
                                    {
                                        "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                        "parameters": [
                                            "1h"
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "network"
                                    },
                                    {
                                        "tag": "interface",
                                        "value": "{#IFNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "d537e74070c74e4385ad241e8514dd3a",
                                "name": "Interface {#IFNAME}: Interface type",
                                "key": "vfs.file.contents[\"/sys/class/net/{#IFNAME}/type\"]",
                                "delay": "1h",
                                "history": "7d",
                                "trends": "0",
                                "description": "It indicates the interface protocol type as a decimal value.\nSee `include/uapi/linux/if_arp.h` for all possible values.\nReference: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net",
                                "valuemap": {
                                    "name": "Linux::Interface protocol types"
                                },
                                "preprocessing": [
                                    {
                                        "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                        "parameters": [
                                            "1d"
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "network"
                                    },
                                    {
                                        "tag": "interface",
                                        "value": "{#IFNAME}"
                                    }
                                ]
                            }
                        ],
                        "trigger_prototypes": [
                            {
                                "uuid": "2ffdc1d5a318492bb497facd263843bd",
                                "expression": "change(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"])<0 and last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"])>0\nand\n(last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/type\"])=6 or last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/type\"])=1)\nand\n(last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])<>2)",
                                "recovery_mode": "RECOVERY_EXPRESSION",
                                "recovery_expression": "(change(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"])>0 and last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"],#2)>0) or\n(last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])=2)",
                                "name": "Interface {#IFNAME}: Ethernet has changed to lower speed than it was before",
                                "opdata": "Current reported speed: {ITEM.LASTVALUE1}",
                                "priority": "INFO",
                                "description": "This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Acknowledge to close the problem manually.",
                                "manual_close": "YES",
                                "dependencies": [
                                    {
                                        "name": "Interface {#IFNAME}: Link down",
                                        "expression": "{$IFCONTROL:\"{#IFNAME}\"}=1 and last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])=2 and (last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"],#1)<>last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"],#2))",
                                        "recovery_expression": "last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])<>2 or {$IFCONTROL:\"{#IFNAME}\"}=0"
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "performance"
                                    }
                                ]
                            },
                            {
                                "uuid": "f64186d30b4e4c4281fce84349cbd646",
                                "expression": "(avg(/Linux by Zabbix agent/net.if.in[\"{#IFNAME}\"],15m)>({$IF.UTIL.MAX:\"{#IFNAME}\"}/100)*last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"]) or\navg(/Linux by Zabbix agent/net.if.out[\"{#IFNAME}\"],15m)>({$IF.UTIL.MAX:\"{#IFNAME}\"}/100)*last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"])) and\nlast(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"])>0",
                                "recovery_mode": "RECOVERY_EXPRESSION",
                                "recovery_expression": "avg(/Linux by Zabbix agent/net.if.in[\"{#IFNAME}\"],15m)<(({$IF.UTIL.MAX:\"{#IFNAME}\"}-3)/100)*last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"]) and\navg(/Linux by Zabbix agent/net.if.out[\"{#IFNAME}\"],15m)<(({$IF.UTIL.MAX:\"{#IFNAME}\"}-3)/100)*last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/speed\"])",
                                "name": "Interface {#IFNAME}: High bandwidth usage",
                                "event_name": "Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:\"{#IFNAME}\"}%)",
                                "opdata": "In: {ITEM.LASTVALUE1}, out: {ITEM.LASTVALUE3}, speed: {ITEM.LASTVALUE2}",
                                "priority": "WARNING",
                                "description": "The utilization of the network interface is close to its estimated maximum bandwidth.",
                                "manual_close": "YES",
                                "dependencies": [
                                    {
                                        "name": "Interface {#IFNAME}: Link down",
                                        "expression": "{$IFCONTROL:\"{#IFNAME}\"}=1 and last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])=2 and (last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"],#1)<>last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"],#2))",
                                        "recovery_expression": "last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])<>2 or {$IFCONTROL:\"{#IFNAME}\"}=0"
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "performance"
                                    }
                                ]
                            },
                            {
                                "uuid": "ad50aecf8e7746b2a85f24507f1d511d",
                                "expression": "min(/Linux by Zabbix agent/net.if.in[\"{#IFNAME}\",errors],5m)>{$IF.ERRORS.WARN:\"{#IFNAME}\"}\nor min(/Linux by Zabbix agent/net.if.out[\"{#IFNAME}\",errors],5m)>{$IF.ERRORS.WARN:\"{#IFNAME}\"}",
                                "recovery_mode": "RECOVERY_EXPRESSION",
                                "recovery_expression": "max(/Linux by Zabbix agent/net.if.in[\"{#IFNAME}\",errors],5m)<{$IF.ERRORS.WARN:\"{#IFNAME}\"}*0.8\nand max(/Linux by Zabbix agent/net.if.out[\"{#IFNAME}\",errors],5m)<{$IF.ERRORS.WARN:\"{#IFNAME}\"}*0.8",
                                "name": "Interface {#IFNAME}: High error rate",
                                "event_name": "Interface {#IFNAME}: High error rate (>{$IF.ERRORS.WARN:\"{#IFNAME}\"} for 5m)",
                                "opdata": "errors in: {ITEM.LASTVALUE1}, errors out: {ITEM.LASTVALUE2}",
                                "priority": "WARNING",
                                "description": "It recovers when it is below 80% of the `{$IF.ERRORS.WARN:\"{#IFNAME}\"}` threshold.",
                                "manual_close": "YES",
                                "dependencies": [
                                    {
                                        "name": "Interface {#IFNAME}: Link down",
                                        "expression": "{$IFCONTROL:\"{#IFNAME}\"}=1 and last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])=2 and (last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"],#1)<>last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"],#2))",
                                        "recovery_expression": "last(/Linux by Zabbix agent/vfs.file.contents[\"/sys/class/net/{#IFNAME}/operstate\"])<>2 or {$IFCONTROL:\"{#IFNAME}\"}=0"
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "availability"
                                    },
                                    {
                                        "tag": "scope",
                                        "value": "performance"
                                    }
                                ]
                            }
                        ],
                        "graph_prototypes": [
                            {
                                "uuid": "50ced0f22d9d478eb4b639ef64e242ab",
                                "name": "Interface {#IFNAME}: Network traffic",
                                "graph_items": [
                                    {
                                        "drawtype": "GRADIENT_LINE",
                                        "color": "199C0D",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "net.if.in[\"{#IFNAME}\"]"
                                        }
                                    },
                                    {
                                        "sortorder": "1",
                                        "drawtype": "BOLD_LINE",
                                        "color": "F63100",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "net.if.out[\"{#IFNAME}\"]"
                                        }
                                    },
                                    {
                                        "sortorder": "2",
                                        "color": "00611C",
                                        "yaxisside": "RIGHT",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "net.if.out[\"{#IFNAME}\",errors]"
                                        }
                                    },
                                    {
                                        "sortorder": "3",
                                        "color": "F7941D",
                                        "yaxisside": "RIGHT",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "net.if.in[\"{#IFNAME}\",errors]"
                                        }
                                    },
                                    {
                                        "sortorder": "4",
                                        "color": "FC6EA3",
                                        "yaxisside": "RIGHT",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "net.if.out[\"{#IFNAME}\",dropped]"
                                        }
                                    },
                                    {
                                        "sortorder": "5",
                                        "color": "6C59DC",
                                        "yaxisside": "RIGHT",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "net.if.in[\"{#IFNAME}\",dropped]"
                                        }
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "2bbdc79f082d4c618e01bec625e9c90a",
                        "name": "Block devices discovery",
                        "key": "vfs.dev.discovery",
                        "delay": "1h",
                        "filter": {
                            "evaltype": "AND",
                            "conditions": [
                                {
                                    "macro": "{#DEVNAME}",
                                    "value": "{$VFS.DEV.DEVNAME.MATCHES}",
                                    "formulaid": "A"
                                },
                                {
                                    "macro": "{#DEVNAME}",
                                    "value": "{$VFS.DEV.DEVNAME.NOT_MATCHES}",
                                    "operator": "NOT_MATCHES_REGEX",
                                    "formulaid": "B"
                                },
                                {
                                    "macro": "{#DEVTYPE}",
                                    "value": "disk",
                                    "formulaid": "C"
                                }
                            ]
                        },
                        "item_prototypes": [
                            {
                                "uuid": "5e29abb8d56044f69426ed3594f8ac9f",
                                "name": "{#DEVNAME}: Disk average queue size (avgqu-sz)",
                                "type": "DEPENDENT",
                                "key": "vfs.dev.queue_size[{#DEVNAME}]",
                                "delay": "0",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "description": "The current average disk queue; the number of requests outstanding on the disk while the performance data is being collected.",
                                "preprocessing": [
                                    {
                                        "type": "JSONPATH",
                                        "parameters": [
                                            "$[10]"
                                        ]
                                    },
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    },
                                    {
                                        "type": "MULTIPLIER",
                                        "parameters": [
                                            "0.001"
                                        ]
                                    }
                                ],
                                "master_item": {
                                    "key": "vfs.file.contents[/sys/block/{#DEVNAME}/stat]"
                                },
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "disk",
                                        "value": "{#DEVNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "9600208af80e4a6abe55bb5a2240ea8e",
                                "name": "{#DEVNAME}: Disk read request avg waiting time (r_await)",
                                "type": "CALCULATED",
                                "key": "vfs.dev.read.await[{#DEVNAME}]",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "units": "!ms",
                                "params": "(last(//vfs.dev.read.time.rate[{#DEVNAME}])/(last(//vfs.dev.read.rate[{#DEVNAME}])+(last(//vfs.dev.read.rate[{#DEVNAME}])=0)))*1000*(last(//vfs.dev.read.rate[{#DEVNAME}]) > 0)",
                                "description": "This formula contains two Boolean expressions that evaluate to 1 or 0 in order to set the calculated metric to zero and to avoid the exception - division by zero.",
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "disk",
                                        "value": "{#DEVNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "f4b982d8e7ee47adb34d74d817db43a6",
                                "name": "{#DEVNAME}: Disk read rate",
                                "type": "DEPENDENT",
                                "key": "vfs.dev.read.rate[{#DEVNAME}]",
                                "delay": "0",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "units": "!r/s",
                                "description": "r/s (read operations per second) - the number (after merges) of read requests completed per second for the device.",
                                "preprocessing": [
                                    {
                                        "type": "JSONPATH",
                                        "parameters": [
                                            "$[0]"
                                        ]
                                    },
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    }
                                ],
                                "master_item": {
                                    "key": "vfs.file.contents[/sys/block/{#DEVNAME}/stat]"
                                },
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "disk",
                                        "value": "{#DEVNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "877a3e892d9e489f98f2f16ea05bfdc2",
                                "name": "{#DEVNAME}: Disk read time (rate)",
                                "type": "DEPENDENT",
                                "key": "vfs.dev.read.time.rate[{#DEVNAME}]",
                                "delay": "0",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "description": "The rate of total read time counter; used in `r_await` calculation.",
                                "preprocessing": [
                                    {
                                        "type": "JSONPATH",
                                        "parameters": [
                                            "$[3]"
                                        ]
                                    },
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    },
                                    {
                                        "type": "MULTIPLIER",
                                        "parameters": [
                                            "0.001"
                                        ]
                                    }
                                ],
                                "master_item": {
                                    "key": "vfs.file.contents[/sys/block/{#DEVNAME}/stat]"
                                },
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "disk",
                                        "value": "{#DEVNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "4a3ee3166ee748e1855a2b02d44e9d62",
                                "name": "{#DEVNAME}: Disk utilization",
                                "type": "DEPENDENT",
                                "key": "vfs.dev.util[{#DEVNAME}]",
                                "delay": "0",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "units": "%",
                                "description": "This item is the percentage of elapsed time during which the selected disk drive was busy while servicing read or write requests.",
                                "preprocessing": [
                                    {
                                        "type": "JSONPATH",
                                        "parameters": [
                                            "$[9]"
                                        ]
                                    },
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    },
                                    {
                                        "type": "MULTIPLIER",
                                        "parameters": [
                                            "0.1"
                                        ]
                                    }
                                ],
                                "master_item": {
                                    "key": "vfs.file.contents[/sys/block/{#DEVNAME}/stat]"
                                },
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "disk",
                                        "value": "{#DEVNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "5907708cf4854d48ae3ebf8f0bc41eef",
                                "name": "{#DEVNAME}: Disk write request avg waiting time (w_await)",
                                "type": "CALCULATED",
                                "key": "vfs.dev.write.await[{#DEVNAME}]",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "units": "!ms",
                                "params": "(last(//vfs.dev.write.time.rate[{#DEVNAME}])/(last(//vfs.dev.write.rate[{#DEVNAME}])+(last(//vfs.dev.write.rate[{#DEVNAME}])=0)))*1000*(last(//vfs.dev.write.rate[{#DEVNAME}]) > 0)",
                                "description": "This formula contains two Boolean expressions that evaluate to 1 or 0 in order to set the calculated metric to zero and to avoid the exception - division by zero.",
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "disk",
                                        "value": "{#DEVNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "c4eb904dfddd4b0f8cdee4b2c477e213",
                                "name": "{#DEVNAME}: Disk write rate",
                                "type": "DEPENDENT",
                                "key": "vfs.dev.write.rate[{#DEVNAME}]",
                                "delay": "0",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "units": "!w/s",
                                "description": "w/s (write operations per second) - the number (after merges) of write requests completed per second for the device.",
                                "preprocessing": [
                                    {
                                        "type": "JSONPATH",
                                        "parameters": [
                                            "$[4]"
                                        ]
                                    },
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    }
                                ],
                                "master_item": {
                                    "key": "vfs.file.contents[/sys/block/{#DEVNAME}/stat]"
                                },
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "disk",
                                        "value": "{#DEVNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "e828495863304b219e24965f7b91e963",
                                "name": "{#DEVNAME}: Disk write time (rate)",
                                "type": "DEPENDENT",
                                "key": "vfs.dev.write.time.rate[{#DEVNAME}]",
                                "delay": "0",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "description": "The rate of total write time counter; used in `w_await` calculation.",
                                "preprocessing": [
                                    {
                                        "type": "JSONPATH",
                                        "parameters": [
                                            "$[7]"
                                        ]
                                    },
                                    {
                                        "type": "CHANGE_PER_SECOND",
                                        "parameters": [
                                            ""
                                        ]
                                    },
                                    {
                                        "type": "MULTIPLIER",
                                        "parameters": [
                                            "0.001"
                                        ]
                                    }
                                ],
                                "master_item": {
                                    "key": "vfs.file.contents[/sys/block/{#DEVNAME}/stat]"
                                },
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "disk",
                                        "value": "{#DEVNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "8309fd01a5864ad68866717d0fe67080",
                                "name": "{#DEVNAME}: Get stats",
                                "key": "vfs.file.contents[/sys/block/{#DEVNAME}/stat]",
                                "history": "0",
                                "trends": "0",
                                "value_type": "TEXT",
                                "description": "The contents of get `/sys/block/{#DEVNAME}/stat` to get the disk statistics.",
                                "preprocessing": [
                                    {
                                        "type": "JAVASCRIPT",
                                        "parameters": [
                                            "return JSON.stringify(value.trim().split(/ +/));"
                                        ]
                                    }
                                ],
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "raw"
                                    }
                                ]
                            }
                        ],
                        "trigger_prototypes": [
                            {
                                "uuid": "eb6230f786d04b658ce62c30a9309a34",
                                "expression": "min(/Linux by Zabbix agent/vfs.dev.read.await[{#DEVNAME}],15m) > {$VFS.DEV.READ.AWAIT.WARN:\"{#DEVNAME}\"} or min(/Linux by Zabbix agent/vfs.dev.write.await[{#DEVNAME}],15m) > {$VFS.DEV.WRITE.AWAIT.WARN:\"{#DEVNAME}\"}",
                                "name": "{#DEVNAME}: Disk read/write request responses are too high",
                                "event_name": "{#DEVNAME}: Disk read/write request responses are too high (read > {$VFS.DEV.READ.AWAIT.WARN:\"{#DEVNAME}\"} ms for 15m or write > {$VFS.DEV.WRITE.AWAIT.WARN:\"{#DEVNAME}\"} ms for 15m)",
                                "priority": "WARNING",
                                "description": "This trigger might indicate the disk `{#DEVNAME}` saturation.",
                                "manual_close": "YES",
                                "tags": [
                                    {
                                        "tag": "scope",
                                        "value": "performance"
                                    }
                                ]
                            }
                        ],
                        "graph_prototypes": [
                            {
                                "uuid": "5e9b35b27b90489390d397758fbfdf64",
                                "name": "{#DEVNAME}: Disk average waiting time",
                                "graph_items": [
                                    {
                                        "color": "199C0D",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "vfs.dev.read.await[{#DEVNAME}]"
                                        }
                                    },
                                    {
                                        "sortorder": "1",
                                        "drawtype": "GRADIENT_LINE",
                                        "color": "F63100",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "vfs.dev.write.await[{#DEVNAME}]"
                                        }
                                    }
                                ]
                            },
                            {
                                "uuid": "d436d6d5456c44f0a534bf1f681d5039",
                                "name": "{#DEVNAME}: Disk read/write rates",
                                "graph_items": [
                                    {
                                        "color": "199C0D",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "vfs.dev.read.rate[{#DEVNAME}]"
                                        }
                                    },
                                    {
                                        "sortorder": "1",
                                        "drawtype": "GRADIENT_LINE",
                                        "color": "F63100",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "vfs.dev.write.rate[{#DEVNAME}]"
                                        }
                                    }
                                ]
                            },
                            {
                                "uuid": "c42e4045e0974e89a306c57fb188c4fa",
                                "name": "{#DEVNAME}: Disk utilization and queue",
                                "graph_items": [
                                    {
                                        "color": "199C0D",
                                        "yaxisside": "RIGHT",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "vfs.dev.queue_size[{#DEVNAME}]"
                                        }
                                    },
                                    {
                                        "sortorder": "1",
                                        "drawtype": "GRADIENT_LINE",
                                        "color": "F63100",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "vfs.dev.util[{#DEVNAME}]"
                                        }
                                    }
                                ]
                            }
                        ],
                        "preprocessing": [
                            {
                                "type": "DISCARD_UNCHANGED_HEARTBEAT",
                                "parameters": [
                                    "1h"
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "7d090603037e4defb34ef74021d3adcd",
                        "name": "Mounted filesystem discovery",
                        "key": "vfs.fs.discovery",
                        "delay": "1h",
                        "filter": {
                            "evaltype": "AND",
                            "conditions": [
                                {
                                    "macro": "{#FSNAME}",
                                    "value": "{$VFS.FS.FSNAME.MATCHES}",
                                    "formulaid": "A"
                                },
                                {
                                    "macro": "{#FSNAME}",
                                    "value": "{$VFS.FS.FSNAME.NOT_MATCHES}",
                                    "operator": "NOT_MATCHES_REGEX",
                                    "formulaid": "B"
                                },
                                {
                                    "macro": "{#FSTYPE}",
                                    "value": "{$VFS.FS.FSTYPE.MATCHES}",
                                    "formulaid": "C"
                                },
                                {
                                    "macro": "{#FSTYPE}",
                                    "value": "{$VFS.FS.FSTYPE.NOT_MATCHES}",
                                    "operator": "NOT_MATCHES_REGEX",
                                    "formulaid": "D"
                                }
                            ]
                        },
                        "description": "The discovery of mounted filesystems with different types.",
                        "item_prototypes": [
                            {
                                "uuid": "4da7f08a979a46df8b8aeebb42a46207",
                                "name": "{#FSNAME}: Free inodes in %",
                                "key": "vfs.fs.inode[{#FSNAME},pfree]",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "units": "%",
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "filesystem",
                                        "value": "{#FSNAME}"
                                    }
                                ],
                                "trigger_prototypes": [
                                    {
                                        "uuid": "115b2d37807f476faf6d02ef406acabd",
                                        "expression": "min(/Linux by Zabbix agent/vfs.fs.inode[{#FSNAME},pfree],5m)<{$VFS.FS.INODE.PFREE.MIN.CRIT:\"{#FSNAME}\"}",
                                        "name": "{#FSNAME}: Running out of free inodes",
                                        "event_name": "{#FSNAME}: Running out of free inodes (free < {$VFS.FS.INODE.PFREE.MIN.CRIT:\"{#FSNAME}\"}%)",
                                        "opdata": "Free inodes: {ITEM.LASTVALUE1}",
                                        "priority": "AVERAGE",
                                        "description": "It may become impossible to write to a disk if there are no index nodes left.\nThe following error messages may be returned as symptoms, even though the free space is available:\n- 'No space left on device';\n- 'Disk is full'.",
                                        "tags": [
                                            {
                                                "tag": "scope",
                                                "value": "capacity"
                                            },
                                            {
                                                "tag": "scope",
                                                "value": "performance"
                                            }
                                        ]
                                    },
                                    {
                                        "uuid": "ea012c7295344ffe8c66f7ea54d81042",
                                        "expression": "min(/Linux by Zabbix agent/vfs.fs.inode[{#FSNAME},pfree],5m)<{$VFS.FS.INODE.PFREE.MIN.WARN:\"{#FSNAME}\"}",
                                        "name": "{#FSNAME}: Running out of free inodes",
                                        "event_name": "{#FSNAME}: Running out of free inodes (free < {$VFS.FS.INODE.PFREE.MIN.WARN:\"{#FSNAME}\"}%)",
                                        "opdata": "Free inodes: {ITEM.LASTVALUE1}",
                                        "priority": "WARNING",
                                        "description": "It may become impossible to write to a disk if there are no index nodes left.\nThe following error messages may be returned as symptoms, even though the free space is available:\n- 'No space left on device';\n- 'Disk is full'.",
                                        "dependencies": [
                                            {
                                                "name": "{#FSNAME}: Running out of free inodes",
                                                "expression": "min(/Linux by Zabbix agent/vfs.fs.inode[{#FSNAME},pfree],5m)<{$VFS.FS.INODE.PFREE.MIN.CRIT:\"{#FSNAME}\"}"
                                            }
                                        ],
                                        "tags": [
                                            {
                                                "tag": "scope",
                                                "value": "capacity"
                                            },
                                            {
                                                "tag": "scope",
                                                "value": "performance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "uuid": "61ffe6fcb9d94199aaeb5d568ab74a27",
                                "name": "{#FSNAME}: Space utilization",
                                "key": "vfs.fs.size[{#FSNAME},pused]",
                                "history": "7d",
                                "value_type": "FLOAT",
                                "units": "%",
                                "description": "The space utilization expressed in % for {#FSNAME}.",
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "filesystem",
                                        "value": "{#FSNAME}"
                                    }
                                ],
                                "trigger_prototypes": [
                                    {
                                        "uuid": "9abccdfff8be4e14967ac917ca09afe1",
                                        "expression": "last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.CRIT:\"{#FSNAME}\"}",
                                        "name": "{#FSNAME}: Disk space is critically low",
                                        "event_name": "{#FSNAME}: Disk space is critically low (used > {$VFS.FS.PUSED.MAX.CRIT:\"{#FSNAME}\"}%)",
                                        "opdata": "Space used: {ITEM.LASTVALUE1}",
                                        "priority": "AVERAGE",
                                        "description": "The volume's space usage exceeds the `{$VFS.FS.PUSED.MAX.CRIT:\"{#FSNAME}\"}` limit.",
                                        "manual_close": "YES",
                                        "tags": [
                                            {
                                                "tag": "scope",
                                                "value": "availability"
                                            },
                                            {
                                                "tag": "scope",
                                                "value": "capacity"
                                            }
                                        ]
                                    },
                                    {
                                        "uuid": "d6d348ea500c428da6ba718816c4b048",
                                        "expression": "last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.WARN:\"{#FSNAME}\"}",
                                        "name": "{#FSNAME}: Disk space is low",
                                        "event_name": "{#FSNAME}: Disk space is low (used > {$VFS.FS.PUSED.MAX.WARN:\"{#FSNAME}\"}%)",
                                        "opdata": "Space used: {ITEM.LASTVALUE1}",
                                        "priority": "WARNING",
                                        "description": "The volume's space usage exceeds the `{$VFS.FS.PUSED.MAX.WARN:\"{#FSNAME}\"}` limit.",
                                        "manual_close": "YES",
                                        "dependencies": [
                                            {
                                                "name": "{#FSNAME}: Disk space is critically low",
                                                "expression": "last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.CRIT:\"{#FSNAME}\"}"
                                            }
                                        ],
                                        "tags": [
                                            {
                                                "tag": "scope",
                                                "value": "availability"
                                            },
                                            {
                                                "tag": "scope",
                                                "value": "capacity"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "uuid": "a6d90e0bc5ef4fb7acee8682687c485f",
                                "name": "{#FSNAME}: Total space",
                                "key": "vfs.fs.size[{#FSNAME},total]",
                                "history": "7d",
                                "units": "B",
                                "description": "Total space in bytes",
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "filesystem",
                                        "value": "{#FSNAME}"
                                    }
                                ]
                            },
                            {
                                "uuid": "efee06a191aa4e5c8faa2762988b6955",
                                "name": "{#FSNAME}: Used space",
                                "key": "vfs.fs.size[{#FSNAME},used]",
                                "history": "7d",
                                "units": "B",
                                "description": "Used storage in bytes",
                                "tags": [
                                    {
                                        "tag": "component",
                                        "value": "storage"
                                    },
                                    {
                                        "tag": "filesystem",
                                        "value": "{#FSNAME}"
                                    }
                                ]
                            }
                        ],
                        "graph_prototypes": [
                            {
                                "uuid": "1e0889c551584013acbb97c84ae89d1c",
                                "name": "{#FSNAME}: Disk space usage",
                                "width": "600",
                                "height": "340",
                                "type": "PIE",
                                "show_3d": "YES",
                                "graph_items": [
                                    {
                                        "color": "969696",
                                        "calc_fnc": "LAST",
                                        "type": "GRAPH_SUM",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "vfs.fs.size[{#FSNAME},total]"
                                        }
                                    },
                                    {
                                        "sortorder": "1",
                                        "color": "C80000",
                                        "calc_fnc": "LAST",
                                        "item": {
                                            "host": "Linux by Zabbix agent",
                                            "key": "vfs.fs.size[{#FSNAME},used]"
                                        }
                                    }
                                ]
                            }
                        ],
                        "overrides": [
                            {
                                "name": "Skip metadata collection for dynamic FS",
                                "step": "1",
                                "filter": {
                                    "conditions": [
                                        {
                                            "macro": "{#FSTYPE}",
                                            "value": "^(btrfs|zfs)$",
                                            "formulaid": "A"
                                        }
                                    ]
                                },
                                "operations": [
                                    {
                                        "operationobject": "ITEM_PROTOTYPE",
                                        "operator": "LIKE",
                                        "value": "inode",
                                        "discover": "NO_DISCOVER"
                                    }
                                ]
                            }
                        ]
                    }
                ],
                "tags": [
                    {
                        "tag": "class",
                        "value": "os"
                    },
                    {
                        "tag": "target",
                        "value": "linux"
                    }
                ],
                "macros": [
                    {
                        "macro": "{$AGENT.TIMEOUT}",
                        "value": "3m",
                        "description": "Timeout after which agent is considered unavailable. Works only for agents reachable from Zabbix server/proxy (passive mode)."
                    },
                    {
                        "macro": "{$CPU.UTIL.CRIT}",
                        "value": "90"
                    },
                    {
                        "macro": "{$IF.ERRORS.WARN}",
                        "value": "2"
                    },
                    {
                        "macro": "{$IF.UTIL.MAX}",
                        "value": "90",
                        "description": "This macro is used as a threshold in the interface utilization trigger."
                    },
                    {
                        "macro": "{$IFCONTROL}",
                        "value": "1"
                    },
                    {
                        "macro": "{$KERNEL.MAXFILES.MIN}",
                        "value": "256"
                    },
                    {
                        "macro": "{$KERNEL.MAXPROC.MIN}",
                        "value": "1024"
                    },
                    {
                        "macro": "{$LOAD_AVG_PER_CPU.MAX.WARN}",
                        "value": "1.5",
                        "description": "The CPU load per core is considered sustainable. If necessary, it can be tuned."
                    },
                    {
                        "macro": "{$MEMORY.AVAILABLE.MIN}",
                        "value": "20M",
                        "description": "This macro is used as a threshold in the memory available trigger."
                    },
                    {
                        "macro": "{$MEMORY.UTIL.MAX}",
                        "value": "90",
                        "description": "This macro is used as a threshold in the memory utilization trigger."
                    },
                    {
                        "macro": "{$NET.IF.IFNAME.MATCHES}",
                        "value": "^.*$"
                    },
                    {
                        "macro": "{$NET.IF.IFNAME.NOT_MATCHES}",
                        "value": "(^Software Loopback Interface|^NULL[0-9.]*$|^[Ll]o[0-9.]*$|^[Ss]ystem$|^Nu[0-9.]*$|^veth[0-9A-z]+$|docker[0-9]+|br-[a-z0-9]{12})",
                        "description": "It filters out `loopbacks`, `nulls`, `docker veth` links and `docker0 bridge` by default."
                    },
                    {
                        "macro": "{$SWAP.PFREE.MIN.WARN}",
                        "value": "50"
                    },
                    {
                        "macro": "{$SYSTEM.FUZZYTIME.MAX}",
                        "value": "60s",
                        "description": "The upper threshold for difference of system time."
                    },
                    {
                        "macro": "{$SYSTEM.FUZZYTIME.MIN}",
                        "value": "10s",
                        "description": "The lower threshold for difference of system time. Used in recovery expression to avoid trigger flapping."
                    },
                    {
                        "macro": "{$VFS.DEV.DEVNAME.MATCHES}",
                        "value": ".+",
                        "description": "This macro is used for a discovery of block devices. It can be overridden on host level or its linked template level."
                    },
                    {
                        "macro": "{$VFS.DEV.DEVNAME.NOT_MATCHES}",
                        "value": "^(loop[0-9]*|sd[a-z][0-9]+|nbd[0-9]+|sr[0-9]+|fd[0-9]+|dm-[0-9]+|ram[0-9]+|ploop[a-z0-9]+|md[0-9]*|hcp[0-9]*|zram[0-9]*)",
                        "description": "This macro is used for a discovery of block devices. It can be overridden on host level or its linked template level."
                    },
                    {
                        "macro": "{$VFS.DEV.READ.AWAIT.WARN}",
                        "value": "20",
                        "description": "The average response time (in ms) of disk read before the trigger would fire."
                    },
                    {
                        "macro": "{$VFS.DEV.WRITE.AWAIT.WARN}",
                        "value": "20",
                        "description": "The average response time (in ms) of disk write before the trigger would fire."
                    },
                    {
                        "macro": "{$VFS.FS.FSNAME.MATCHES}",
                        "value": ".+",
                        "description": "This macro is used for discovery of the filesystems. It can be overridden on host level or its linked template level."
                    },
                    {
                        "macro": "{$VFS.FS.FSNAME.NOT_MATCHES}",
                        "value": "^(/dev|/sys|/run|/proc|.+/shm$)",
                        "description": "This macro is used for discovery of the filesystems. It can be overridden on host level or its linked template level."
                    },
                    {
                        "macro": "{$VFS.FS.FSTYPE.MATCHES}",
                        "value": "^(btrfs|ext2|ext3|ext4|reiser|xfs|ffs|ufs|jfs|jfs2|vxfs|hfs|apfs|refs|ntfs|fat32|zfs)$",
                        "description": "This macro is used for discovery of the filesystems. It can be overridden on host level or its linked template level."
                    },
                    {
                        "macro": "{$VFS.FS.FSTYPE.NOT_MATCHES}",
                        "value": "^\\s$",
                        "description": "This macro is used for discovery of the filesystems. It can be overridden on host level or its linked template level."
                    },
                    {
                        "macro": "{$VFS.FS.INODE.PFREE.MIN.CRIT}",
                        "value": "10",
                        "description": "The critical threshold of the filesystem metadata utilization."
                    },
                    {
                        "macro": "{$VFS.FS.INODE.PFREE.MIN.WARN}",
                        "value": "20",
                        "description": "The warning threshold of the filesystem metadata utilization."
                    },
                    {
                        "macro": "{$VFS.FS.PUSED.MAX.CRIT}",
                        "value": "90",
                        "description": "The critical threshold of the filesystem utilization."
                    },
                    {
                        "macro": "{$VFS.FS.PUSED.MAX.WARN}",
                        "value": "80",
                        "description": "The warning threshold of the filesystem utilization."
                    }
                ],
                "dashboards": [
                    {
                        "uuid": "14aa11c326a54ec390d4c209d30cc741",
                        "name": "Network interfaces",
                        "pages": [
                            {
                                "name": "Overview",
                                "widgets": [
                                    {
                                        "type": "GRAPH_PROTOTYPE",
                                        "width": "24",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "INTEGER",
                                                "name": "columns",
                                                "value": "1"
                                            },
                                            {
                                                "type": "GRAPH_PROTOTYPE",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "Interface {#IFNAME}: Network traffic"
                                                }
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "uuid": "e9ca2f8e715f428b8edc0129aa0c79de",
                        "name": "System performance",
                        "pages": [
                            {
                                "widgets": [
                                    {
                                        "type": "GRAPH_CLASSIC",
                                        "width": "12",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "GRAPH",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "Linux: System load"
                                                }
                                            }
                                        ]
                                    },
                                    {
                                        "type": "GRAPH_CLASSIC",
                                        "y": "5",
                                        "width": "12",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "GRAPH",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "Linux: Memory usage"
                                                }
                                            }
                                        ]
                                    },
                                    {
                                        "type": "GRAPH_PROTOTYPE",
                                        "y": "10",
                                        "width": "24",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "INTEGER",
                                                "name": "columns",
                                                "value": "1"
                                            },
                                            {
                                                "type": "GRAPH_PROTOTYPE",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "{#FSNAME}: Disk space usage"
                                                }
                                            }
                                        ]
                                    },
                                    {
                                        "type": "GRAPH_PROTOTYPE",
                                        "y": "15",
                                        "width": "24",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "INTEGER",
                                                "name": "columns",
                                                "value": "1"
                                            },
                                            {
                                                "type": "GRAPH_PROTOTYPE",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "{#DEVNAME}: Disk read/write rates"
                                                }
                                            }
                                        ]
                                    },
                                    {
                                        "type": "GRAPH_PROTOTYPE",
                                        "y": "20",
                                        "width": "24",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "INTEGER",
                                                "name": "columns",
                                                "value": "1"
                                            },
                                            {
                                                "type": "GRAPH_PROTOTYPE",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "{#DEVNAME}: Disk average waiting time"
                                                }
                                            }
                                        ]
                                    },
                                    {
                                        "type": "GRAPH_PROTOTYPE",
                                        "y": "25",
                                        "width": "24",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "INTEGER",
                                                "name": "columns",
                                                "value": "1"
                                            },
                                            {
                                                "type": "GRAPH_PROTOTYPE",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "{#DEVNAME}: Disk utilization and queue"
                                                }
                                            }
                                        ]
                                    },
                                    {
                                        "type": "GRAPH_PROTOTYPE",
                                        "y": "30",
                                        "width": "24",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "INTEGER",
                                                "name": "columns",
                                                "value": "1"
                                            },
                                            {
                                                "type": "GRAPH_PROTOTYPE",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "Interface {#IFNAME}: Network traffic"
                                                }
                                            }
                                        ]
                                    },
                                    {
                                        "type": "GRAPH_CLASSIC",
                                        "x": "12",
                                        "width": "12",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "GRAPH",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "Linux: CPU usage"
                                                }
                                            }
                                        ]
                                    },
                                    {
                                        "type": "GRAPH_CLASSIC",
                                        "x": "12",
                                        "y": "5",
                                        "width": "12",
                                        "height": "5",
                                        "fields": [
                                            {
                                                "type": "GRAPH",
                                                "name": "graphid",
                                                "value": {
                                                    "host": "Linux by Zabbix agent",
                                                    "name": "Linux: Swap usage"
                                                }
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ],
                "valuemaps": [
                    {
                        "uuid": "8c048c6cca8248f2860c208e8db0f59e",
                        "name": "ifOperStatus",
                        "mappings": [
                            {
                                "value": "0",
                                "newvalue": "unknown"
                            },
                            {
                                "value": "1",
                                "newvalue": "notpresent"
                            },
                            {
                                "value": "2",
                                "newvalue": "down"
                            },
                            {
                                "value": "3",
                                "newvalue": "lowerlayerdown"
                            },
                            {
                                "value": "4",
                                "newvalue": "testing"
                            },
                            {
                                "value": "5",
                                "newvalue": "dormant"
                            },
                            {
                                "value": "6",
                                "newvalue": "up"
                            }
                        ]
                    },
                    {
                        "uuid": "044df261808442a8af9e5cda0acaa6a5",
                        "name": "Linux::Interface protocol types",
                        "mappings": [
                            {
                                "value": "0",
                                "newvalue": "from KA9Q: NET/ROM pseudo"
                            },
                            {
                                "value": "1",
                                "newvalue": "Ethernet"
                            },
                            {
                                "value": "2",
                                "newvalue": "Experimental Ethernet"
                            },
                            {
                                "value": "3",
                                "newvalue": "AX.25 Level 2"
                            },
                            {
                                "value": "4",
                                "newvalue": "PROnet token ring"
                            },
                            {
                                "value": "5",
                                "newvalue": "Chaosnet"
                            },
                            {
                                "value": "6",
                                "newvalue": "IEEE 802.2 Ethernet/TR/TB"
                            },
                            {
                                "value": "7",
                                "newvalue": "ARCnet"
                            },
                            {
                                "value": "8",
                                "newvalue": "APPLEtalk"
                            },
                            {
                                "value": "15",
                                "newvalue": "Frame Relay DLCI"
                            },
                            {
                                "value": "19",
                                "newvalue": "ATM"
                            },
                            {
                                "value": "23",
                                "newvalue": "Metricom STRIP (new IANA id)"
                            },
                            {
                                "value": "24",
                                "newvalue": "IEEE 1394 IPv4 - RFC 2734"
                            },
                            {
                                "value": "27",
                                "newvalue": "EUI-64"
                            },
                            {
                                "value": "32",
                                "newvalue": "InfiniBand"
                            },
                            {
                                "value": "256",
                                "newvalue": "ARPHRD_SLIP"
                            },
                            {
                                "value": "257",
                                "newvalue": "ARPHRD_CSLIP"
                            },
                            {
                                "value": "258",
                                "newvalue": "ARPHRD_SLIP6"
                            },
                            {
                                "value": "259",
                                "newvalue": "ARPHRD_CSLIP6"
                            },
                            {
                                "value": "260",
                                "newvalue": "Notional KISS type"
                            },
                            {
                                "value": "264",
                                "newvalue": "ARPHRD_ADAPT"
                            },
                            {
                                "value": "270",
                                "newvalue": "ARPHRD_ROSE"
                            },
                            {
                                "value": "271",
                                "newvalue": "CCITT X.25"
                            },
                            {
                                "value": "272",
                                "newvalue": "Boards with X.25 in firmware"
                            },
                            {
                                "value": "280",
                                "newvalue": "Controller Area Network"
                            },
                            {
                                "value": "512",
                                "newvalue": "ARPHRD_PPP"
                            },
                            {
                                "value": "513",
                                "newvalue": "Cisco HDLC"
                            },
                            {
                                "value": "516",
                                "newvalue": "LAPB"
                            },
                            {
                                "value": "517",
                                "newvalue": "Digital's DDCMP protocol"
                            },
                            {
                                "value": "518",
                                "newvalue": "Raw HDLC"
                            },
                            {
                                "value": "519",
                                "newvalue": "Raw IP"
                            },
                            {
                                "value": "768",
                                "newvalue": "IPIP tunnel"
                            },
                            {
                                "value": "769",
                                "newvalue": "IP6IP6 tunnel"
                            },
                            {
                                "value": "770",
                                "newvalue": "Frame Relay Access Device"
                            },
                            {
                                "value": "771",
                                "newvalue": "SKIP vif"
                            },
                            {
                                "value": "772",
                                "newvalue": "Loopback device"
                            },
                            {
                                "value": "773",
                                "newvalue": "Localtalk device"
                            },
                            {
                                "value": "774",
                                "newvalue": "Fiber Distributed Data Interface"
                            },
                            {
                                "value": "775",
                                "newvalue": "AP1000 BIF"
                            },
                            {
                                "value": "776",
                                "newvalue": "sit0 device - IPv6-in-IPv4"
                            },
                            {
                                "value": "777",
                                "newvalue": "IP over DDP tunneller"
                            },
                            {
                                "value": "778",
                                "newvalue": "GRE over IP"
                            },
                            {
                                "value": "779",
                                "newvalue": "PIMSM register interface"
                            },
                            {
                                "value": "780",
                                "newvalue": "High Performance Parallel Interface"
                            },
                            {
                                "value": "781",
                                "newvalue": "Nexus 64Mbps Ash"
                            },
                            {
                                "value": "782",
                                "newvalue": "Acorn Econet"
                            },
                            {
                                "value": "783",
                                "newvalue": "Linux-IrDA"
                            },
                            {
                                "value": "784",
                                "newvalue": "Point to point fibrechannel"
                            },
                            {
                                "value": "785",
                                "newvalue": "Fibrechannel arbitrated loop"
                            },
                            {
                                "value": "786",
                                "newvalue": "Fibrechannel public loop"
                            },
                            {
                                "value": "787",
                                "newvalue": "Fibrechannel fabric"
                            },
                            {
                                "value": "800",
                                "newvalue": "Magic type ident for TR"
                            },
                            {
                                "value": "801",
                                "newvalue": "IEEE 802.11"
                            },
                            {
                                "value": "802",
                                "newvalue": "IEEE 802.11 + Prism2 header"
                            },
                            {
                                "value": "803",
                                "newvalue": "IEEE 802.11 + radiotap header"
                            },
                            {
                                "value": "804",
                                "newvalue": "ARPHRD_IEEE802154"
                            },
                            {
                                "value": "805",
                                "newvalue": "IEEE 802.15.4 network monitor"
                            },
                            {
                                "value": "820",
                                "newvalue": "PhoNet media type"
                            },
                            {
                                "value": "821",
                                "newvalue": "PhoNet pipe header"
                            },
                            {
                                "value": "822",
                                "newvalue": "CAIF media type"
                            },
                            {
                                "value": "823",
                                "newvalue": "GRE over IPv6"
                            },
                            {
                                "value": "824",
                                "newvalue": "Netlink header"
                            },
                            {
                                "value": "825",
                                "newvalue": "IPv6 over LoWPAN"
                            },
                            {
                                "value": "826",
                                "newvalue": "Vsock monitor header"
                            }
                        ]
                    },
                    {
                        "uuid": "5488e5d78d704b78aee60c60414ce0c3",
                        "name": "zabbix.host.available",
                        "mappings": [
                            {
                                "value": "0",
                                "newvalue": "not available"
                            },
                            {
                                "value": "1",
                                "newvalue": "available"
                            },
                            {
                                "value": "2",
                                "newvalue": "unknown"
                            }
                        ]
                    },
                    {
                        "uuid": "64faba3a883241a88da8833970ac3ab0",
                        "name": "Zabbix agent ping status",
                        "mappings": [
                            {
                                "value": "1",
                                "newvalue": "Up"
                            }
                        ]
                    }
                ]
            }
        ],
        "triggers": [
            {
                "uuid": "ae5269e17d434927bfd6edc09a9a1f4d",
                "expression": "last(/Linux by Zabbix agent/proc.num)/last(/Linux by Zabbix agent/kernel.maxproc)*100>80",
                "name": "Linux: Getting closer to process limit",
                "event_name": "Linux: Getting closer to process limit (over 80% used)",
                "opdata": "{ITEM.LASTVALUE1} active, {ITEM.LASTVALUE2} limit.",
                "priority": "WARNING",
                "tags": [
                    {
                        "tag": "scope",
                        "value": "performance"
                    }
                ]
            },
            {
                "uuid": "f49fc01c5ac945d59455563bdbcc6469",
                "expression": "max(/Linux by Zabbix agent/system.swap.size[,pfree],5m)<{$SWAP.PFREE.MIN.WARN} and last(/Linux by Zabbix agent/system.swap.size[,total])>0",
                "name": "Linux: High swap space usage",
                "event_name": "Linux: High swap space usage (less than {$SWAP.PFREE.MIN.WARN}% free)",
                "opdata": "Free: {ITEM.LASTVALUE1}, total: {ITEM.LASTVALUE2}",
                "priority": "WARNING",
                "description": "If there is no swap configured, this trigger is ignored.",
                "dependencies": [
                    {
                        "name": "Linux: High memory utilization",
                        "expression": "min(/Linux by Zabbix agent/vm.memory.utilization,5m)>{$MEMORY.UTIL.MAX}"
                    },
                    {
                        "name": "Linux: Lack of available memory",
                        "expression": "max(/Linux by Zabbix agent/vm.memory.size[available],5m)<{$MEMORY.AVAILABLE.MIN} and last(/Linux by Zabbix agent/vm.memory.size[total])>0"
                    }
                ],
                "tags": [
                    {
                        "tag": "scope",
                        "value": "capacity"
                    }
                ]
            },
            {
                "uuid": "686470cef97f48f6b017e9fc7a078afe",
                "expression": "max(/Linux by Zabbix agent/vm.memory.size[available],5m)<{$MEMORY.AVAILABLE.MIN} and last(/Linux by Zabbix agent/vm.memory.size[total])>0",
                "name": "Linux: Lack of available memory",
                "event_name": "Linux: Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2})",
                "opdata": "Available: {ITEM.LASTVALUE1}, total: {ITEM.LASTVALUE2}",
                "priority": "AVERAGE",
                "tags": [
                    {
                        "tag": "scope",
                        "value": "capacity"
                    },
                    {
                        "tag": "scope",
                        "value": "performance"
                    }
                ]
            },
            {
                "uuid": "695f0c352377409d95aca3fe76d1cae2",
                "expression": "min(/Linux by Zabbix agent/system.cpu.load[all,avg1],5m)/last(/Linux by Zabbix agent/system.cpu.num)>{$LOAD_AVG_PER_CPU.MAX.WARN}\nand last(/Linux by Zabbix agent/system.cpu.load[all,avg5])>0\nand last(/Linux by Zabbix agent/system.cpu.load[all,avg15])>0",
                "name": "Linux: Load average is too high",
                "event_name": "Linux: Load average is too high (per CPU load over {$LOAD_AVG_PER_CPU.MAX.WARN} for 5m)",
                "opdata": "Load averages(1m 5m 15m): ({ITEM.LASTVALUE1} {ITEM.LASTVALUE3} {ITEM.LASTVALUE4}), # of CPUs: {ITEM.LASTVALUE2}",
                "priority": "AVERAGE",
                "description": "The load average per CPU is too high. The system may be slow to respond.",
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