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Nagios. System and Network Monitoring

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Description

Good system administrators know about problems long before anyone asks, "Hey, is the Internet down?" Nagios, an open source system and network monitoring tool, has emerged as a popular and affordable choice for sys admins in organizations of all sizes. It’s robust but also complex. Nagios: System and Network Monitoring, written for Nagios 2.0, but backwards compatible with earlier versions, will help you take full advantage of this program’s ability to keep systems running.

Nagios, which runs on Linux and most *nix variants, can be configured to continuously monitor network services (SMTP,POP3, HTTP, NNTP, PING, and so on), host resources (processor load, disk and memory usage, running processes, log files, and so on), and environmental factors (such as temperature). This book is your guide to getting the most out of this versatile and powerful administration tool.

Inside Nagios: System and Network Monitoring, you’ll learn how to:

  • Install and configure the Nagios core, all standard Nagios plug-ins, and selected third-party plug-ins
  • Write your own plug-ins to customize Nagios for your unique environment
  • Configure problem escalation so the appropriate people are notified when issues move beyond your control, and suppress alerts during scheduled maintenance periods
  • Program event handlers to take action when trouble occurs
  • Monitor Windows servers

Written by a seasoned author of books on advanced networking topics, Nagios: System and Network Monitoring is a great starting point for configuring and using Nagios in your own environment.

Contenidos

Chapter 1: Installation

Chapter 2: Nagios Configuration

Chapter 3: Startup

Chapter 4: Nagios Basics

Chapter 5: Service Checks and How They Are Performed

Chapter 6: Plugins for Network Services

Chapter 7: Testing Local Resources

Chapter 8: Manipulating Plugin Output

Chapter 9: Executing Plugins via SSH

Chapter 10: The Nagios Remote Plugin Executor (NRPE)

Chapter 11: Collecting Information Relevant for Monitoring with SNMP

Chapter 12: The Nagios Notification System

Chapter 13: Passive Tests with the External Command File

Chapter 14: The Nagios Service Check Acceptor (NSCA)

Chapter 15: Distributed Monitoring

Chapter 16: The Web Interface

Chapter 17: Graphic Display of Performance Data

Chapter 18: Monitoring Windows Servers

Chapter 19: Monitoring Room Temperature and Humidity

Chapter 20: Monitoring SAP Systems

Appendix A: Rapidly Alternating States: Flapping

Appendix B: Event Handlers

Appendix C: Writing Your Own Plugins: Monitoring Oracle with the Instant Client

Appendix D: An Overview of the Nagios Configuration Parameters

Contenidos extra

View a sample chapter, Chapter 7: Testing Local Resources

Más información

Editado: Mayo 2006

464 páginas

ISBN-10: 1-59327-070-4

ISBN-13: 978-1-59327-070-4

Sobre el autor

Wolfgang Barthhas written several books for professional network administrators, including Firewall (Suse Press), Network Analysis (Suse Press), and Backup Solutions with Linux (Open Source Press). He is a professional system administrator with considerable experience using Nagios.

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