How to install Lubuntu desktop on Ubuntu 20.04 Focal Fossa Linux

The objective of this guide is to install the Lubuntu desktop as an alternative desktop environment on Ubuntu 20.04 Focal Fossa Desktop/Server Linux.

In this tutorial you will learn:

• How to install tasksel
• How to install Lubuntu desktop
• How to switch to SDDM display manager
• How to login to Lubuntu desktop

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	tasksel
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

Install Lubuntu desktop on Ubuntu 20.04 step by step instructions

1. We will be using the tasksel command to install Lubuntu desktop. In case the tasksel command is not available on your system you can install it by:

   $ sudo apt install tasksel
   

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2. Execute the following command to begin the Lubuntu desktop installation:

   $ sudo tasksel install lubuntu-desktop
   

   

   Lubuntu desktop installation command on Ubuntu 20.04
   

   Wait for tasksel to complete the Lubuntu desktop installation

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SDDM configuration information

Use TAB to select sddm and hit ok button
3. Reboot your Ubuntu 20.04 system:
   

   Reboot your Ubuntu 20.04 system
4. Select Desktop session as Lubuntu:
   

   Select Lubuntu, enter your password and hit login button