The objective of this guide is to install LXQt desktop as an alternative desktop environment for Ubuntu 20.04 Focal Fossa Desktop/Server Linux. One of the features of LXQt is that it has comparatively low resource requirements.

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 LXQt desktop
  • How to switch to SDDM display manager
  • How to login to LXQt desktop
LXQt desktop on Ubuntu 20.04 Focal Fossa Linux
LXQt desktop on Ubuntu 20.04 Focal Fossa Linux

Software Requirements and Conventions Used

Software Requirements and Linux Command Line Conventions
Category Requirements, Conventions or Software Version Used
System Installed Ubuntu 20.04 or upgraded Ubuntu 20.04 Focal Fossa
Software LXQt
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

Installing LXQt desktop on Ubuntu 20.04 step by step instructions


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  1. Execute the following command to begin the LXQt desktop installation:
    $ sudo apt install lxqt sddm
    
    LXQt desktop installation command on Ubuntu 20.04
    LXQt desktop installation command on Ubuntu 20.04
    SDDM Display Manager information
    SDDM Display Manager information
    Select SDDM as a default Display Manager
    Select SDDM as a default Display Manager
    Wait for apt command to complete the LXQt desktop installation
    Wait for apt command to complete the LXQt desktop installation


  2. Reboot your Ubuntu 20.04 system:
    Reboot your Ubuntu 20.04 system
    Reboot your Ubuntu 20.04 system
  3. Select Desktop session as LXQt Desktop:
    Open Desktop session selection menu
    Open Desktop session selection menu
    Select LXQt Desktop, enter your password and hit login button
    Select LXQt Desktop, enter your password and hit login button
    Select your desired Window Manager
    Select your desired Window Manager
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