Book Image

Learning Nagios 4

By : Wojciech Kocjan
Book Image

Learning Nagios 4

By: Wojciech Kocjan

Overview of this book

Table of Contents (19 chapters)
Learning Nagios 4
About the Author
About the Reviewers

Chapter 6. Notifications and Events

We already know how notifications work in Nagios. The previous chapters described how Nagios sends information to the users when a problem occurs and how it decides to notify people. Previously, our examples were limited to sending an e-mail 24 hours a day or only during working days.

In this chapter, we will cover the following topics:

  • Setting up notifications effectively—when they should be sent; how they should be sent; and how to use multiple methods of notifying users, such as setting up Nagios to send a text message to your mobile during the day or to send you a message on Jabber or HipChat only when you are online

  • Using escalations that allow sending information about the host or service status when it is failing for a long period of time—for example, notifying a manager when a critical service has been down for over four hours

  • Sending commands via the Nagios external commands, such as adding comments on hosts and services, modifying notification settings...