Zabbix: How to monitor whether remote commands are enabled

zabbixzabbix-agent

I have a problem with some zabbix triggers not firing due to the fact that EnableRemoteCommands hasn't been enabled on certain hosts. I tried to address this by adding a trigger specifically checking whether EnableRemoteCommands is set to 1 in the zabbix agent config:

{Template OS Linux:system.run["cat /etc/zabbix/zabbix_agentd.conf | grep EnableRemoteCommands=1"].str(EnableRemoteCommands=1)}=0

But, of course, this trigger itself relies on remote commands, so won't run on hosts which has them disabled.

For some reason, if zabbix can't run a remote command, then it leaves the trigger with an "OK" status. Is there any way to get this to switch to a "PROBLEM" status?

Best Answer

Use UserParameter which is working without EnableRemoteCommands enabled:

UserParameter=<key>,<command>

In your case:

UserParameter=zabbix.remotecommands, egrep 'EnableRemoteCommands.*=.*1' /etc/zabbix/zabbix_agentd.conf

Then create an item zabbix.remotecommands with type Zabbix Agent and following statement to check:

{Template OS Linux:zabbix.remotecommands.strlen()}=0

It will fire if item will return nothing, e.g. EnableRemoteCommands is disabled. Please don't use system.run when you absolutely don't need to, it's disabled by default by purpose — you can do anything using other ways Zabbix provides you with.

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