Nagios Core Administration Cookbook

Chapter 8. Managing Network Layout

In this chapter, we will cover the following recipes:

• Creating a network host hierarchy
• Using the network map
• Choosing icons for hosts
• Establishing a host dependency
• Establishing a service dependency
• Monitoring individual nodes in a cluster
• Using the network map as an overlay

Introduction

While Nagios Core is still very useful when configured to monitor only a simple list of hosts and services, it includes some optional directives that allow defining some structural and functional properties of the monitored network; specifically, how the hosts and services interrelate. Describing this structure in the configuration allows some additional intelligent behavior in the monitoring and notification that Nagios Core performs. ...