Then toggle over to your Putty Session and right-click once more. TIP: If you’re going to be following this guide step by step using Putty then you can save yourself some typing by simply highlighting each command below, right-clicking on it and selecting Copy. Ubuntu tends to prompt for a password each time you issue a “sudo” command. This is the password you created when you installed Ubuntu. To perform the installation of VNC you can either type the following commands into a Putty session or, if you’ve got a screen and keyboard attached to your server, then you can use the command line itself.

NOTE: If you’re jumping into this guide here then it’s worth mentioning that this guide has been also tested on Focal Fossa 20.04LTS, Xenial Xerus 16.04LTS, Quantal Quetzal 12.10, Precise Pangolin 12.04LTS, Lucid Lynx 10.04LTS, Karmic Koala 9.10, 9.04 Jaunty, and 8.10 Intrepid. VNC provides a “virtual desktop” so it is more lightweight than a full blown desktop installation. There is a better way however, and that is to install VNC. As a result many people actually install Ubuntu Desktop instead of installing Ubuntu Server since the desktop version of Ubuntu has the GUI built in. Some people find this prospect rather too daunting and would rather use a graphical user interface (GUI) instead. Putty gives you a “Command Line” interface and so you’ll need to learn a few Linux commands in order to be able to administer your server this way. Once you’ve installed Ubuntu Server you will need a mechanism to be able to administer it. Administer Ubuntu Server Focal Fossa 20.04LTS using VNC

Install realvnc server ubuntu 20.04