The objective is to install Unity Desktop as an alternative desktop environment on Ubuntu 20.04 Focal Fossa Desktop/Server Linux.

DID YOU KNOW that you can download Ubuntu 20.04 dedicated desktop flavours? This way Ubuntu provides users with an alternative desktop experience distinct to the default GNOME Ubuntu Desktop.
In this tutorial you will learn:
  • How to install Unity Desktop
  • How to switch to Lightdm display manager
  • How to login to Unity desktop
Unity Desktop environment on Ubuntu 20.04 Focal Fossa
Unity Desktop environment on Ubuntu 20.04 Focal Fossa

Software Requirements and Conventions Used

Software Requirements and Linux Command Line Conventions
Category Requirements, Conventions or Software Version Used
System Installed or upgraded Ubuntu 20.04 Focal Fossa
Software Unity Desktop
Other Privileged access to your Linux system as root or via the sudo command.
Conventions # - requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command
$ - requires given linux commands to be executed as a regular non-privileged user

Unity Desktop on Ubuntu 20.04 installation step by step instructions

DID YOU KNOW that you can download Ubuntu 20.04 dedicated desktop flavours? This way Ubuntu provides users with an alternative desktop experience distinct to the default GNOME Ubuntu Dekstop.
  1. Execute the following command to begin the Unity desktop installation:
    $ sudo apt install ubuntu-unity-desktop
    
    Unity Desktop installation command on Ubuntu 20.04
    Unity Desktop installation command on Ubuntu 20.04


  2. lightdm configuration information
    Lightdm configuration information.


  3. select lghtdm
    Use TAB to select lightdm and hit OK button

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  5. Once the Unity Desktop Installation is complete, restart your system
    Once the Unity Desktop Installation is complete, restart your system.


  6. Change Desktop Environment
    Change Desktop Environment


  7. Select Unity session and log in
    Select Unity session and log in
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