Install VNC on Ubuntu 21.04 | Linode
www.linode.com › docs › guidesOct 21, 2021 · Install the VNC server: sudo apt install tightvncserver Secure your VNC connection. The VNC server generates a display, or graphical output, identified by a number that is defined when the server starts. If no display number is defined, the server will use the lowest one available. VNC connections take place on port 5900 + display. This guide will use a display number of 1; therefore, you will connect to remote port 5901.