Writing customized Nagios Core reports

In this recipe, we'll explore some simple applications of the NDOUtils database by trying out some queries and changing one of them into both a simple daily e-mail in Perl and also into a PHP-based RSS feed.

Getting ready

This recipe assumes that you have NDOUtils already installed and that your Nagios Core 4.0 or higher server is monitoring at least a few hosts and services so that the queries we try actually return some data. You should also have some means of executing MySQL queries on the database server. The mysql(1) command-line client will work just fine; a web-based tool such as phpMyAdmin might make the data a little easier to explore.

How to do it...

We can explore some queries against the NDOUtils ...

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