GNU/Linux Ubuntu 21.04 Recovering Desktop Guide
Hi! This tutorial will guide you step-by-step on How to Recover Desktop in Ubuntu 21.04 GNU/Linux.
And this Recovery Guide for Ubuntu Desktop intend Reinstalling the Default Environment from the Shell.
Especially relevant: this issue often happen when some unmanaged Software Dependencies are present on System.
And so the first Step for solving eventual Conflicts is to Setup the advanced Package Manager Aptitude.
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1. Updating Repo
First, Update the Apt Repo Sources with:
sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.2. Fixing Desktop
Then to Reinstall or Fix Ubuntu Desktop
First, install Aptitude with:sudo apt install aptitude
Then to Reinstall Ubuntu Desktop play:sudo aptitude install ubuntu-desktop xorg openbox
And this Command includes the X11 Server than occasionally is deleted during an Apt Packages Setup.
Next to Restart System run:sudo reboot
But if the conflicts are not solved then try again with a System Upgrade:sudo aptitude full-upgrade
In all cases try always simply to Confirm the proposed Solutions: