Starting and Stopping Nagios Core · Nagios Core Documentation

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

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

Starting Nagios Core

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
```
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.

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

Stopping Nagios Core

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