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Learning Nagios 3.0. A comprehensive configuration guide to monitor and maintain your network and systems

Wojciech Kocjan

EЛЕКТРОННА КНИГА

This is a beginner-level book, which will introduce Nagios to System Administrators who are interested in monitoring their systems. The focus is on teaching system administrators to secure their systems in a much improved manner incorporating the newer features of Nagios.It will teach Nagios beginners the basics of installation and configuration of version 3; it will show professionals who have already worked on earlier versions of Nagios the new features of Nagios like inheritance and also the new internal functions like better check scheduling. The target readers for this book are System Administrators interested in using Nagios. This book will introduce Nagios with the new features of Version 3 for System Administrators.

Learning Nagios 3.0
- Table of Contents
- Learning Nagios 3.0
- Credits
- About the Author
- About the Reviewer
- Preface
  - What This Book Covers
  - What You Need for This Book
  - Who is This Book For
  - Conventions
  - Reader Feedback
  - Customer Support
    - Downloading the Example Code for the Book
    - Errata
    - Piracy
    - Questions
- 1. Introduction
  - Introduction to Nagios
  - Benefits of Monitoring Resources
  - Main Features
  - S oft and Hard States
  - Whats New in Nagios 3.0?
  - Summary
- 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
- 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
- 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
- 5. Advanced Configuration
  - Maintainable Configurations
  - Configuration File Structure
  - Defining Dependencies
  - Using Templates
  - C ustom Variables
  - Flapping
  - Summary
- 6. Notifications and Events
  - Effective Notifications
  - Escalations
  - External Commands
  - Event Handlers
  - Modifying Notifications
  - Adaptive Monitoring
  - Summary
- 7. Passive Checks and NSCA
  - What are Passive Checks?
  - Configuring Passive Checks
  - P assive ChecksHosts
  - Passive ChecksServices
  - Troubleshooting Passive Checks
  - What is NSCA?
  - Obtaining NSCA
  - Compiling NSCA
  - Configuring the NSCA Server
  - Sending results over NSCA
  - Security Concerns
  - Summary
- 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
- 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
- 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
- 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

Назва:Learning Nagios 3.0. A comprehensive configuration guide to monitor and maintain your network and systems
Автор:Wojciech Kocjan
Оригінальна назва:Learning Nagios 3.0. A comprehensive configuration guide to monitor and maintain your network and systems
ISBN:9781847195197, 9781847195197
Дата видання:2008-10-17
Формат:Eлектронна книга
Ідентифікатор видання: e_3b7p
Видавець: Packt Publishing