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Part III: Munin[node] in cfEngine

At work we use munin and cfEngine extensively, therefore it is accurate to assume that we have a tight-knit setup that allows us to scale munin-node to all hosts in cfEngine, and have the munin-master configured through it as well. This post describes our configuration, and how it takes place.

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Part II: The Munin-master

Hopefully you’ve read the first part(Munin-Node), and have one or more nodes already configured. It’s alright if the munin-node is running on the same machine as the munin-master. The master is more of a pain to set up than the client, and could require significantly more debugging.

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centos debian fedora gentoo Linux monitoring munin munin-node osuosl ubuntu

Part I: Setting up Munin-Node

After becoming increasingly frustrated with cacti’s lack of sane repeatable configuration and extensibility I began to explore other options.

Munin showed the most promise and compatibility with many of the services we run at the OSL, such as memcached and varnish. I liked how the plugin system is set up independently on each host, and that each plugin can be managed, configured, and consolidated through symlinks.