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Troubleshooting Munin ‘munin.conf’ Config

This article explains an important method used to check your Munin config file. This is not checking the ‘munin-nodes’ but just the ‘munin.conf’ file. The key is to switch to the ‘munin’ user and then issue the ‘munin-update’ command. As follows:

On the Munin server, login as root. Then switch to the ‘munin’ user.

su - munin --shell=/bin/bash

And then issue the command:

/usr/share/munin/munin-update --debug

You will get the line number of the error troubling you, if all goes well.