Tag Archives: NSCA

Monitoring Keepalived with Nagios

This is one of the cases where the passive check of the Nagios monitoring system comes in handy as we need to be informed immediately when the Keepalived changes state. So you will need an NSCA system implemented with your Nagios configuration.

Studying the Keepalived configuration we found that the authors have implemented the option to run a script that when the state of the VRRP changes. The script I’m referring to is run under the “notify” option.

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How to ease a heavy loaded Nagios server.

A usually Nagios setup is consisted in only one server that does all the checks by itself. In the moment that server arrives at 2000 checks or more (and especially if you configure the ndoutils on that server) you will see the processor going wild. At this point it’s time for a change. Continue reading