Learning Nagios 3.0 Table of Contents

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Table of Contents

Preface
Chapter 1: Introduction
Chapter 2: Installation and Configuration
Chapter 3: Using the Nagios Web Interface
Chapter 4: Overview of Nagios Plugins
Chapter 5: Advanced Configuration
Chapter 6: Notifications and Events
Chapter 7: Passive Checks and NSCA
Chapter 8: Monitoring Remote Hosts
Chapter 9: SNMP
Chapter 10: Advanced Monitoring
Chapter 11: Chapter 11: Extending Nagios
Index

• Preface

• Chapter 1: Introduction
  • Introduction to Nagios
  • Benefits of Monitoring Resources
  • Main Features
  • Soft and Hard States
  • What's New in Nagios 3.0?
  • Summary

• Chapter 2: Installation and Configuration
  • Installation
    • Upgrading from Previous Versions
    • Prerequisites
    • Obtaining Nagios
    • Setting up Users and Groups
    • Nagios Compilation
    • Registering Nagios as a System Service
  • Nagios Configuration
    • Main Configuration File
    • Macro Definitions
    • Configuring Hosts
    • Configuring Services
    • Configuring Commands
    • Configuring Time Periods
    • Configuring Contacts
    • Templates and Object Inheritance
    • Introduction to Notifications
  • Summary

• Chapter 3: Using the Nagios Web Interface
  • Setting up the Web Interface
    • Configuring the Web Server
    • Accessing the Web Interface
    • Troubleshooting
  • Using the Web Interface
    • Tactical Overview
    • Status map
  • Managing Hosts
    • Status
    • Host Information
  • Managing Services
    • Status
    • Service Information
  • Managing Downtimes
    • Downtimes Status
    • Scheduling Downtimes
  • Managing Comments
  • Nagios Information
    • Process Information
    • Performance Information
  • Reports
  • Summary

• Chapter 4: Overview of Nagios Plugins
  • Standard Network Plugins
    • Checking If a Host is Alive
    • Testing Connectivity over TCP and UDP
  • Monitoring Email Servers
    • POP3 and IMAP Checks
    • SMTP Daemon Testing
  • Monitoring Network Services
    • FTP Server
    • DHCP Tests
    • Verifying the Nagios Daemon
    • Testing Web Sites
  • Monitoring Database Systems
    • MySQL
    • PostgreSQL
    • Oracle
    • Other Databases
  • Storage Space
    • Virtual Memory Monitoring
    • Monitoring IDE/SCSI SMART
    • Checking Disk Space
    • Testing Free Space for Remote Shares
  • Resource Monitoring
    • System Load
    • Checking Processes
    • Monitoring Logged-in Users
  • Miscellaneous Plugins
    • APT Updates Checking
    • UPS Status Checking
    • LM Sensors
    • Dummy Check Plugin
    • Manipulating Other Plugins' Output
  • Summary

• Chapter 5: Advanced Configuration
  • Maintainable Configurations
  • Configuration File Structure
  • Defining Dependencies
  • Using Templates
  • Custom Variables
  • Flapping
  • Summary

• Chapter 6: Notifications and Events
  • Effective Notifications
  • Escalations
  • External Commands
  • Event Handlers
  • Modifying Notifications
  • Adaptive Monitoring
  • Summary

• Chapter 7: Passive Checks and NSCA
  • What are Passive Checks?
  • Configuring Passive Checks
  • Passive Checks—Hosts
  • Passive Checks—Services
  • Troubleshooting Passive Checks
  • What is NSCA?
  • Obtaining NSCA
  • Compiling NSCA
  • Configuring the NSCA Server
  • Sending results over NSCA
  • Security Concerns
  • Summary

• Chapter 8: Monitoring Remote Hosts
  • Monitoring over SSH
  • Configuring SSH
  • Using the check_by_ssh Plugin
  • Performing Multiple Checks
  • Troubleshooting SSH-Based Checks
  • Introduction to NRPE
  • Obtaining NRPE
  • Compiling NRPE
  • Configuring the NRPE Daemon
  • Installing NRPE as a System Service
  • Configuring Nagios for NRPE
  • NRPE and Command Arguments
  • Other Approaches
  • Troubleshooting NRPE
  • Summary

• Chapter 9: SNMP
  • Introduction to SNMP
  • Data Objects
  • Working with SNMP and MIB
  • Graphical Tools
  • Setting up an SNMP Agent
  • Using SNMP from Nagios
  • Receiving Traps
  • Additional Plugins
  • Summary

• Chapter 10: Advanced Monitoring
  • Monitoring Windows Hosts
  • NSClient++
  • Performing Tests via check_nt
  • Performing Checks with NRPE Protocol
  • Passive Checks using NSCA Protocol
  • Distributed Monitoring
  • Obsessive Notifications
  • Configuring Nagios Instances
  • Freshness Checking
  • Summary

• Chapter 11: Chapter 11: Extending Nagios
  • Introduction
  • Active Checks
  • Writing Plugins the Right Way
  • Checking Websites
  • Monitoring VMware
  • Your Own Notifications
  • Managing Nagios
  • Using Passive Checks
  • Summary

• Index

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