Install KDE Plasma Desktop Environment on Armbian

  1. Log into Armbian
  2. Launch a terminal window and run the following commands:
    sudo apt update
    sudo apt upgrade -y
    sudo apt clean
    sudo apt install kde-plasma-desktop kde-window-manager plasma-nm -y --no-install-recommends
    sudo reboot now
  3. After the system reboots, there should now be an option to log into the kde desktop environment
    1. To set kde-plasma as the default for all users, edit the lightdm configuration file and change the user-session value from xfce to kde-plasma
      sudo nano /etc/lightdm/lightdm.conf.d/22-armbian-autologin.conf
      user-session=kde-plasma
  4. Press CTRL+O, Enter, CTRL+X to write the changes to 22-armbian-autologin.conf
  5. Reboot again to verify kde-plasma is now the default desktop environment