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Learning Nagios

You're reading from   Learning Nagios A beginners guide on Nagios

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Product type Paperback
Published in Aug 2016
Publisher
ISBN-13 9781785885952
Length 414 pages
Edition 3rd Edition
Tools
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Authors (2):
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Wojciech Kocjan Wojciech Kocjan
Author Profile Icon Wojciech Kocjan
Wojciech Kocjan
Piotr Beltowski Piotr Beltowski
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Piotr Beltowski
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Toc

Table of Contents (14) Chapters Close

Preface 1. Introducing Nagios FREE CHAPTER 2. Installing Nagios 4 3. Configuring Nagios 4. Using the Built-in Web Interface 5. Using Additional Interfaces 6. Using the Nagios Plugins 7. Advanced Configuration 8. Notifications and Events 9. Passive Checks and NRDP 10. Monitoring Remote Hosts 11. Monitoring Using SNMP 12. Advanced Monitoring 13. Programming Nagios

Summary


When creating or extending Nagios configuration to monitor a large number of resources, spend some time planning the layout of your configuration. Some people recommend one file for each single definition, while others recommend storing things in a single file per host. We recommend keeping similar things in the same file and maintaining a directory-based set of files.

In this chapter we have learned the following things:

  • Setting up efficient directory structure and file naming standards

  • Where to put objects depending on the type and hosts it is configured for

  • How to define dependencies so that Nagios can then detect root causes of problems

  • Using templates to ease defining a large number of objects

  • Accessing host, service, or contact-specific information with custom variables

  • What state flapping is and how Nagios detects when flapping occurs

The next chapter describes notifications and events in more detail. It will help us set up an efficient way to let the IT department know about errors...

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