Book Image

Nagios Core Administration Cookbook - Second Edition

By : Tom Ryder
Book Image

Nagios Core Administration Cookbook - Second Edition

By: Tom Ryder

Overview of this book

Nagios Core is an open source monitoring framework suitable for any network that ensures both internal and customer-facing services are running correctly and manages notification and reporting behavior to diagnose and fix outages promptly. It allows very fine configuration of exactly when, where, what, and how to check network services to meet both the uptime goals of your network and systems team and the needs of your users. This book shows system and network administrators how to use Nagios Core to its fullest as a monitoring framework for checks on any kind of network services, from the smallest home network to much larger production multi-site services. You will discover that Nagios Core is capable of doing much more than pinging a host or to see whether websites respond. The recipes in this book will demonstrate how to leverage Nagios Core's advanced configuration, scripting hooks, reports, data retrieval, and extensibility to integrate it with your existing systems, and to make it the rock-solid center of your network monitoring world.
Table of Contents (18 chapters)
Nagios Core Administration Cookbook Second Edition
About the Author
About the Reviewer

Using the network map as an overlay

In this recipe, you'll learn how to use a background for the legacy network map and deliberate the placement of hosts in specific points on it to make a kind of network status weathermap to see host statuses at a glance in a geographical context. At the time of writing, this method only works for the legacy map, which is available by clicking on (Legacy) to the right of the Map entry in the left-hand side menu.

Getting ready

You will need Nagios Core 4.0 or a newer server and have shell access to change its backend configuration. You should also have at least a couple of hosts configured to place on the map and understand the basics of using the Nagios network map and icons for hosts. These are discussed in the Using the network map and Choosing icons for hosts recipes, both in this chapter.

You should also select a background image on which you can meaningfully place hosts. If you are monitoring an office network, this could be a floor plan of the building...