system log (syslog) monitoring

Brian Murphy brian.murphy at gmx.net
Sun Mar 21 07:13:28 CET 2004


I have some system log (syslog) monitoring in place using syslog-ng, running
filters and passing the records onto scripts for further processing before
passing into passive checks in Nagios.

Works well, I generate the messages from remote systems and can tag them in
a way that makes it easy to find them on the monitoring system.

Means that I can get secured systems to send performance metrics without
opening inbound ports, syslog outbound only. Using freshness checking I can keep
more of an active eye on the systems too.

If you know what you are looking for in a syslog it is easy to alert if you
find exactly that. There tends to be a lot of noise with the sugnal though.

Brian

-- 
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