To enable Remote Desktop (VNC) in Kubuntu, you need to install a VNC server like TigerVNC or TightVNC, configure it to start on your Kubuntu system, and then allow remote access through your firewall settings. Once enabled, you can connect to your Kubuntu desktop from another computer using any standard VNC client by entering your Kubuntu system’s IP address and the set password, giving you full graphical remote access.
Kubuntu has a built-in feature to allow other users to control the desktop. As with Ubuntu, you can allow users to access and control the desktop through a VNC client. Unlike Ubuntu, there are many more options.
Click the “Start” button and go to Internet Krfb Desktop Sharing.

Click the “Configure” button in the bottom corner and you’ll see a screen with these options:

To remote control, the desktop on another machine without needing physical access to that machine, enable the 3 options shown in the image above.



