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The Nagios Book

The following material contained in this document cannot be reproduced in any form without prior written permission. Nagios and the Nagios logo are registered trademarks of Ethan Galstad. Other trademarks mentioned within this document are the property of their respective owners.


Table of Contents

Preface
1. Introduction
1. Welcome to the World of Nagios
2. Useful Nagios Resources
3. Other Tutorials
2. What is Nagios?
1. About Nagios
2. Other Monitoring Options
3. Why Use Nagios?
4. Nagios Demo
3. How Nagios Works
1. A Typical Scenario
4. Preparing for Installation
1. Getting Ready
2. Selecting an Operating System
3. Setting Up The Server - FreeBSD
4. Useful FreeBSD Commands
5. Installing Apache
5. Installing Nagios
1. Obtaining Nagios
2. Knowing Where Nagios Lives
3. Telling Apache about Nagios
6. Configuring Nagios
1. Editing Config Files Manually
2. Configuration Front Ends
3. Getting Started
7. Starting Nagios
1. Making Sure Nagios Starts Automatically
2. The Pre-Flight Check
3. The –s Switch
4. Help!
8. Nagios Plugins
1. The Standard Plugins
2. The Contrib Plugins
3. Other Plugins
4. Writing Your Own Plugins
9. Monitoring Remote Unix Servers
1. NPRE
10. Monitoring Remote Windows Servers
1. NSClient
11. Configuring Alerts and Notifications
1. Email Notifications
2. Sendmail
3. SSMTP
4. SMS Alerts
5. Pagers, Popups and Other Messaging
12. Optimizing and Enhancing Nagios
1. Organizing Your Config Files
2. Configuring Layout and Dependencies
3. Improving Logical Layout
13. Customizing Nagios
1. Replacing the Default Icons
2. Custom Headers and Footers
3. Editing the Navigation Bar
14. Add-Ons and Related Projects
1. The A-Z of Nagios Related Projects
15. Troubleshooting
1. Checking Logs
2. Checking the Nagios Process
3. Permissions
4. Plugins
5. Plugins and Dependencies
16. More Information
1. Glossary
2. Index