Nagios Plugin

Let us discuss the overview, installation and configuration of Nagios, a powerful open source monitoring solution for host and services.
 
I. Overview of nagios

II. 8 steps for installing nagios on Linux:

1. Download the nagios and plugins
2. Take care of the prerequisites
3. Create user and group for nagios
4. Install nagios
5. Configure the web interface
6. Compile and install nagios plugins
7. Start Nagios
8. Login to web interface

III. Configuration files overview
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