13.3. Verifying the Configuration

Verify the updated configurations using the following command:
```
# nagios -v /etc/nagios/nagios.cfg
```
If error occurs, verify the parameters set in /etc/nagios/nagios.cfg and update the configuration files.
Restart Nagios server using the following command:
```
# service nagios restart
```
Log into the Nagios server GUI using the following URL with the Nagios Administrator user name and password.
```
https://NagiosServer-HostName-or-IPaddress/nagios
```
Note
To change the default password, see Changing Nagios Password section in Red Hat Gluster Storage Administration Guide.
Click Services in the left pane of the Nagios server GUI and verify the list of hosts and services displayed.
Figure 13.2. Nagios Services

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