check_mailq plugin

[Paul Houselander]

Hi

Ive just started using nagios and have it set up on a Cent 0S 4.3 box.

Seems to be working ok but ive ran into a problem where I want to check the
size of the mail queue on another server. Ive installed nrpe on the remote
server and checked its working by running on the nagios server:-

/usr/lib/nagios/plugins/check_nrpe -H remote_server_name -c check_load

I get back the load average from the remote machine.

If I run

/usr/lib/nagios/plugins/check_nrpe -H remote_server_name -c check_mailq

I always get back

OK: mailq is empty

Ive installed the plugin on the remote server and if I run locally I get

/usr/lib/nagios/plugins/check_mailq -w 100 -c 200
CRITICAL: mailq is 221 (threshold c = 200)|unsent=221;100;200;0

So I know the plugin is working. If I do check_mailq -h it mentions
something about the mailq command can only be accessed by root or a
TrustedUser - nrpe is running as nagios - does anyone know what I need to do
to the mailq command to allow it to work? I tried added nagios to the
/etc/mail/trusted-users file but this doesnt seem to have done the trick.

Any help appreciated.

Kind regards

Paul





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