Nagios server is an open source use for system monitoring, network monitoring and software application status. It gives your service alerts, information and status.
You know the server status immediately when problems occurred.
You want to install supporting packages in server
Create a user name nagios and set password,
Download the Nagios file using wget command,
Extract that file and configure it
Set nagios admin password for viewing on web interface
Download the files using wget command
Extract the tar.gz file and configure the plugin,
To start Nagios :
To stop Nagios :
To restart Nagios:
Start Apache server :
Nagios service will start during the system startup
If you will update any configuration in nagios check whether is it right?
Now, Nagios Monitoring Web interface at : http://192.168.0.100/nagios/ and give the user name and password
User Name: nagiosadmin (We have created the user name while configuring Nagios)
Click the Gird view on Current Status.
We have to know the file usage and location,
Nagos host config File
Get Current status, comment, and Downtime Information
Object Cache File