Table of Contents
About
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What is Nagios?
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System requirements
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Licensing
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History
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Known issues
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Acknowledgements
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Downloading the latest version
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Other monitoring utilities
Release Notes
What's new in this version
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Change log
Getting Started
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Advice for beginners
Installing Nagios
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Comping and installing Nagios
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Setting up the web interface
Configuring Nagios
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Configuration overview
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Main configuration file options
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Object configuration file options
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CGI configuration file options
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Configuring authorization for the CGIs
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Extended information configuration
Running Nagios
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Verifying the configuration
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Starting Nagios
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Stopping and restarting Nagios
Nagios Plugins
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Standard plugins
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Writing your own plugins
Nagios Addons
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nrpe
- Daemon and plugin for executing plugins on remote hosts
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nsca
- Daemon and client program for sending passive check results across the network
Theory Of Operation
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Determing status and reachability of network hosts
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Network outages
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Notifications
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Plugin theory
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Service check scheduling
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State types
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Time periods
Advanced Topics
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Event handlers
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External commands
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Indirect host and service checks
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Passive service checks
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Redundant and failover monitoring
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Service check parallelization
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Volatile services
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Notification escalations
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Distributed monitoring
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Monitoring service and host clusters
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Host and service dependencies
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Performance data
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Scheduled host and service downtime
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Database support
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Object inheritence using template-based config data
Integration With Other Software
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Portsentry
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SNMP Traps
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TCP Wrappers
Miscellaneous
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Frequently Asked Questions (FAQs)
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Securing Nagios
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Tuning Nagios for maximum performance
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Using macros in commands
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Information on the CGIs