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Nagios XI Makes Monitoring Easier:

Nagios XI is the easy-to-use, enterprise version of Nagios that features:

  • Web-Based Configuration provides advanced configuration features
  • Monitoring Wizards make it easy to monitor new devices, applications, and services
  • Customizable Dashboards allow for per-user customization
  • Integrated Performance Graphs provide trending and capacity planning information
  • Advanced Reports provide data insight and exporting capabilities
  • Data Visualizations enable powerful analysis of patterns and problems
  • Nagios Core Import functionality makes it easy to migrate from Nagios Core
  • ... and many other features

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Up ToUp To: Contents
See Also See Also: Verifying Your Nagios Core Configuration

Tip: Always make sure you verify your configuration before you (re)start Nagios Core.

Starting Nagios Core

  1. Init Script: The easiest way to start the Nagios Core daemon is by using the init script like so: 
    /etc/rc.d/init.d/nagios start
  2. Manually: You can start the Nagios daemon manually with the -d command line option like so: 
    /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg

Restarting Nagios Core

Restarting/reloading is nececessary when you modify your configuration files and want those changes to take effect.

  1. Init Script: The easiest way to restart the Nagios Core daemon is by using the init script like so: 
    /etc/rc.d/init.d/nagios reload
  2. Web Interface: You can restart the Nagios Core through the web interface by clicking the "Process Info" navigation link and selecting "Restart the Nagios process":

    Restart the Nagios process

  3. Manually: You can restart the Nagios Core process by sending it a SIGHUP signal like so: 
    kill -HUP <nagios_pid>

Stopping Nagios Core

  1. Init Script: The easiest way to stop the Nagios Core daemon is by using the init script like so: 
    /etc/rc.d/init.d/nagios stop
  2. Web Interface: You can stop the Nagios Core through the web interface by clicking the "Process Info" navigation link and selecting "Shutdown the Nagios process":

    Shutdown the Nagios process

  3. Manually: You can stop the Nagios Core process by sending it a SIGTERM signal like so: 
    kill <nagios_pid>