Tag Archives: Load-balancing

Creating a WMI proxy for Nagios – arguments Pro and Contra

In this article I wish to mark some advantages / disadvantages of having a WMI proxy in your Nagios setup.

To WMI or not to WMI….

First we need to explain what exactly a WMI proxy is. Basically this machine is a Linux/Windows machine with a Nagios client installed that runs as a service. This WMI proxy has some scripts (I will detail them in my next post) capable to check other Windows servers with the help of the WMI repository located on each Windows server. The same technique is applied with success by SCCM, SCOM, SpiceWorks, etc.

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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