Author: Falko Timme <ft [at] falkotimme [dot] com>
Last edited 02/08/2008
In this article I will describe how you can monitor your Mandriva 2008.0 server with munin and monit. munin produces nifty little graphics about nearly every aspect of your server (load average, memory usage, CPU usage, MySQL throughput, eth0 traffic, etc.) without much configuration, whereas monit checks the availability of services like Apache, MySQL, Postfix and takes the appropriate action such as a restart if it finds a service is not behaving as expected. The combination of the two gives you full monitoring: graphics that lets you recognize current or upcoming problems (like “We need a bigger server soon, our load average is increasing rapidly.”), and a watchdog that ensures the availability of the monitored services.
Although munin lets you monitor more than one server, we will only discuss the monitoring of the system where it is installed here.
This tutorial was written for Mandriva 2008.0, but the configuration should apply to other distributions with little changes as well.
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