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Step-by-step – Ubuntu 21.04 Desktop Recovery Guide

May 25, 2021 | By the+gnu+linux+evangelist.

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. 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. 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:
    Aptitude proposed setup
    Aptitude packages installation