Install Ubuntu 20.04 on VirtualBox

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu 20.04 is the next major release in Ubuntu lifecycle releases.

nagios

Install Nagios on Debian 11

In this guide, we are going to learn how to install Nagios on Debian 11. Nagios is an opensource tool that provides an enterprise-class central monitoring engine

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