Getting extra visualizations with NagVis

In this recipe, we'll explore how to go beyond the default network map discussed in Chapter 8, to get a lot of visualization power with the extension NagVis. NagVis can use the NDOUtils backend to build custom maps in various styles.

NagVis is most likely of interest to you if you're interested in visualizing Nagios data more extensively, particularly if you're having problems with the scalability of the included Nagios Core status map. The default status map works well for smaller networks, but can struggle with rendering larger ones in a timely fashion.

A complete survey of NagVis' functions would not be possible in one recipe, but this one will walk you through downloading, installing, and configuring the extension to give you a simple automap, in order to get you started.

Getting ready

You should have a running Nagios Core server with version 3.0 or later, and have the NDOUtils backend successfully installed and populating a MySQL database to which...