Zabbix

Links

• Homepage
• Documentation
• Custom scripts
• Various scripts to automate tasks in Zabbix
• Tuning mysql for zabbix
• https://huyabbix.com
• Migrating zabbix database with minimal downtime
• Bug tracker
• Clean up database
• Zabbix on RHEL/Centos
• Grafana

FAQ

Backing up tables

https://www.zabbix.org/wiki/Docs/howto/mysql_backup_script

cannot send list of active checks

Most likely ServerActive is defined in agent config, while not used at all

Latest 20 issues

DEFAULT_LATEST_ISSUES_CNT in/usr/share/zabbix/include/defines.inc.php

Zabbix unreachable poller processes more than 75% busy

Increase StartPollersUnreachable

Check agent

zabbix_get -s my.host.com -k agent.version

ZBX_NOTSUPPORTED

Could be anything, enable logging on agent. It could be version mismatch. Check

zabbix_get -s yourhost -k agent.version

If that works, you're calling for an undefined or unsupported key.

Incorrect trigger expression. Host "xx" does not exist or you have no access to this host.

Means there's no related item.

zabbix_get returns nothing

best look at log on agent side

run playbook on single host

ansible_playbook -l somehost somplay.yml

Zabbix server is not running: the information displayed may not be current

Might be selinux: http://sysads.co.uk/2013/11/zabbix-server-running-alert/

vmware.hv.cpu.usage[{$URL},{HOST.HOST}]" became not supported: Couldn't resolve host name

Set macro {$URL} to https://your.ip/sdk/ (shouldn't discovery figure that out from {$HOST} ?

unsupported item key

This might mean it's expecting a value from the script you're calling.

echo 1