The Nagios monitoring tool is a strong monitoring tool that helps to detect the issues and performance pauses present in the network. The web interface provided by the tool helps to monitor the network and helps to find the issues present in the network component.
In the above guide, we explained how to install the latest version of Nagios on Ubuntu 20.04 server. We also explained how to install the Nagios and NRPE plugins and configure them to monitor the server itself. You can now add the remote hosts to the Nagios and start monitoring them from the central location.