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Monit - monitor processes/services/files/directories/etc. and react if necessary (for Linux/Unix)

Thu, 2012.03.22 - 10:29 — müzso
http://mmonit.com/monit/
"Monit is a free open source utility for managing and monitoring, processes, programs, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations."

To install Monit (and optionally Munin) on a Debian Squeeze server, you can check out this tutorial at howtoforge.com.