We will install a Linux desktop XFCE on the server, then install and configure the VNC server using TightVNC. In this tutorial, we will guide you step-by-step through setting up the VNC server on Ubuntu 20.04. If you are not yet familiar with CLI commands such as the terminal, etc., you can use VNC to help you manage files, software, and system settings on remote computers. A VNC server transmits all keyboard and mouse events from the client computer to the server computer. VNC or Virtual Network Computing is a graphical desktop sharing tool that allows you to remotely control a computer (server or desktop) from another computer (client).