Error: Could not stat() command file ‘/var/lib/nagios3/rw/nagios.cmd’!

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I’ve been doing a lot of Nagios deployments recently, and this error always bites me, on all Ubuntu versions, including Hardy and Intrepid (haven’t quite bit the bullet to try the Jaunty beta yet 🙂 )


Error: Could not stat() command file '/var/lib/nagios3/rw/nagios.cmd'!

The external command file may be missing, Nagios may not be running, and/or Nagios may not be checking external commands.

An error occurred while attempting to commit your command for processing.

This can be quite easily fixed with the following command line fu:


sudo /etc/init.d/nagios3 stop
sudo dpkg-statoverride --update --add nagios www-data 2710 /var/lib/nagios3/rw
sudo dpkg-statoverride --update --add nagios nagios 751 /var/lib/nagios3
sudo /etc/init.d/nagios3 start

Now you should be able to send Nagios remote commands and commands via the web interface to your heart’s content!

Nagios

For more Nagios advice, I recommend Nagios by O’Reilly. It’s full of best practice advice and covers solving more ‘gotchas’ that you might encounter whilst using it!

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