Nagios, REL, and Postfix

[Marc Powell]

> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of Drew Myers
> Sent: Thursday, April 26, 2007 12:43 PM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] Nagios, REL, and Postfix
> 
> 
> Ok, I admit it, I'm a bonehead.
> 
> I migrated from sendmail to postfix. I have several passive checks
that
> run by way of REL.  I did not anticipate breaking this functionality,
> but I have.
> 
> In the maillog, I have the following entries:
> 
> Command died with status 13: "/usr/local/nagios/bin/smtpreceiver.pl".
> Command output: Can't open /var/log/nagios/rw/nagios.cmd for writing:
> Permission denied )
> 
> The permissions on the pipe are:
> 
> prw-rw----  1 nagios nagios 0 Apr 26 12:41
/var/log/nagios/rw/nagios.cmd

The user that smtpreceiver.pl runs as needs to be added to the nagios
group, based on the permissions above.

While specifically documenting how to submit external commands from a
web server, the documentation at
http://nagios.sourceforge.net/docs/2_0/commandfile.html covers the
concepts you need to understand to submit them from a script.

--
Marc

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