[Agent]
active: true
capacity: 0/100
tasks: 0
agent.hostname: Returns Hostname from agent configuration.
agent.ping: Returns agent availability check result.
agent.version: Version of Zabbix agent.

[Cpu]
active: true
capacity: 0/100
tasks: 1
system.cpu.discovery: List of detected CPUs/CPU cores, used for low-level discovery.
system.cpu.num: Number of CPUs.
system.cpu.util: CPU utilisation percentage.

[File]
active: true
capacity: 0/100
tasks: 0
vfs.file.cksum: Returns File checksum, calculated by the UNIX cksum algorithm.
vfs.file.contents: Retrieves contents of the file.
vfs.file.exists: Returns if file exists or not.
vfs.file.md5sum: Returns MD5 checksum of file.
vfs.file.regexp: Find string in a file.
vfs.file.regmatch: Find string in a file.
vfs.file.size: Returns file size.
vfs.file.time: Returns file time information.

[Kernel]
active: false
capacity: 0/100
tasks: 0
kernel.maxfiles: Returns maximum number of opened files supported by OS.
kernel.maxproc: Returns maximum number of processes supported by OS.

[Log]
active: false
capacity: 0/100
tasks: 0
log: Log file monitoring.
log.count: Count of matched lines in log file monitoring.
logrt: Log file monitoring with log rotation support.
logrt.count: Count of matched lines in log file monitoring with log rotation support.

[NetIf]
active: true
capacity: 0/100
tasks: 0
net.if.collisions: Returns number of out-of-window collisions.
net.if.discovery: Returns list of network interfaces. Used for low-level discovery.
net.if.in: Returns incoming traffic statistics on network interface.
net.if.out: Returns outgoing traffic statistics on network interface.
net.if.total: Returns sum of incoming and outgoing traffic statistics on network interface.

[Proc]
active: false
capacity: 0/100
tasks: 0
proc.cpu.util: Process CPU utilisation percentage.

[Redis]
active: false
capacity: 0/100
tasks: 0
redis.config: Returns configuration parameters of Redis server.
redis.info: Returns output of INFO command.
redis.ping: Test if connection is alive or not.
redis.slowlog.count: Returns the number of slow log entries since Redis has been started.

[SystemRun]
active: false
capacity: 0/100
tasks: 0
system.run: Run specified command.

[Systemd]
active: false
capacity: 0/100
tasks: 0
systemd.unit.discovery: Returns JSON array of discovered units, usage: systemd.unit.discovery[<type>].
systemd.unit.info: Returns the unit info, usage: systemd.unit.info[unit,<parameter>,<interface>].

[TCP]
active: false
capacity: 0/100
tasks: 0
net.tcp.port: Checks if it is possible to make TCP connection to specified port.

[Uname]
active: true
capacity: 0/100
tasks: 0
system.hostname: Returns system host name.
system.sw.arch: Software architecture information.
system.uname: Returns system uname.

[Uptime]
active: true
capacity: 0/100
tasks: 0
system.uptime: Returns system uptime in seconds.

[UserParameter]
active: true
capacity: 0/100
tasks: 0
md.degraded: User parameter: cat /sys/block/$1/md/degraded.
md.discover: User parameter: ls /sys/class/block | awk 'BEGIN{printf "{\"data\":["}; /^md[0-9]+$/ {printf c"{\"{#MDNAME}\":\""$1"\"}";c=","}; END{print "]}"}'.
md.raid_disks: User parameter: cat /sys/block/$1/md/raid_disks.
md.sync_action: User parameter: cat /sys/block/$1/md/sync_action.
postfix.active: User parameter: postqueue -p | grep -E -c "^[0-9A-F]{10}[*]".
postfix.deferred: User parameter: postqueue -p | grep -E -c "^[0-9A-F]{10}[^*]".
postfix.logfile_status_all: User parameter: logtail -f /var/log/mail.log -o /var/lib/zabbix/postfix.$1.all.$2.logtail | grep -c "postfix/$1.*status=$2".
postfix.logfile_status_local: User parameter: logtail -f /var/log/mail.log -o /var/lib/zabbix/postfix.$1.local.$2.logtail | grep "postfix/$1.*status=$2" | grep -c -E "relay=(127\.0\.0\.1|::1|localhost)".
postfix.logfile_status_remote: User parameter: logtail -f /var/log/mail.log -o /var/lib/zabbix/postfix.$1.remote.$2.logtail | grep "postfix/$1.*status=$2" | grep -v -c -E "relay=(127\.0\.0\.1|::1|localhost)".

[VFSDev]
active: false
capacity: 0/100
tasks: 0
vfs.dev.discovery: List of block devices and their type. Used for low-level discovery.
vfs.dev.read: Disk read statistics.
vfs.dev.write: Disk write statistics.

[ZabbixAsync]
active: true
capacity: 0/100
tasks: 0
net.tcp.listen: Checks if this TCP port is in LISTEN state.
net.udp.listen: Checks if this UDP port is in LISTEN state.
sensor: Hardware sensor reading.
system.boottime: Returns system boot time.
system.cpu.intr: Device interrupts.
system.cpu.load: CPU load.
system.cpu.switches: Count of context switches.
system.hw.cpu: CPU information.
system.hw.macaddr: Listing of MAC addresses.
system.localtime: Returns system local time.
system.sw.os: Operating system information.
system.swap.in: Swap in (from device into memory) statistics.
system.swap.out: Swap out (from memory onto device) statistics.
vfs.fs.discovery: List of mounted filesystems. Used for low-level discovery.

[ZabbixStats]
active: false
capacity: 0/100
tasks: 0
zabbix.stats: Return a set of Zabbix server or proxy internal metrics or return number of monitored items in the queue which are delayed on Zabbix server or proxy.

[ZabbixSync]
active: true
capacity: 0/1
tasks: 0
net.dns: Checks if DNS service is up.
net.dns.record: Performs DNS query.
net.tcp.service: Checks if service is running and accepting TCP connections.
net.tcp.service.perf: Checks performance of TCP service.
net.udp.service: Checks if service is running and responding to UDP requests.
net.udp.service.perf: Checks performance of UDP service.
proc.mem: Memory used by process in bytes.
proc.num: The number of processes.
system.hw.chassis: Chassis information.
system.hw.devices: Listing of PCI or USB devices.
system.sw.packages: Listing of installed packages.
system.swap.size: Swap space size in bytes or in percentage from total.
system.users.num: Number of users logged in.
vfs.dir.count: Directory entry count.
vfs.dir.size: Directory size (in bytes).
vfs.fs.get: List of mounted filesystems with statistics.
vfs.fs.inode: Number or percentage of inodes.
vfs.fs.size: Disk space in bytes or in percentage from total.
vm.memory.size: Memory size in bytes or in percentage from total.
web.page.get: Get content of web page.
web.page.perf: Loading time of full web page (in seconds).
web.page.regexp: Find string on a web page.