On 25 Oct 2006, at 13:57, Paul Houselander wrote:

If I run

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

I always get back

OK: mailq is empty

This is a bug in Nagios Plugins 1.4.3 with check_mailq. If the nagios user runs "mailq", it comes back with a permissions error. However, the plugin does not recognise this correctly and instead says the queue is empty. This has been fixed in the the newer 1.4.4 release.

Off the top of my head, on your server, you need to give the nagios user enough permissions to read /var/spool/mailq. You do this by adding the user into the mail group and chmod g+r /var/spool/mailq. Alternatively, you can do what Sjaak has recommended of running this plugin as root via sudo.

Warning: I think some system updates may change the permission of /var/spool/mailq back to g-r, but at least the plugin will now return an error correctly :)

Ton

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