Как удалить kde plasma в ubuntu
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Как удалить kde plasma в ubuntu

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How to remove KDE Plasma Desktop on Ubuntu 20.04

Tried it for a few days and, while I liked it a lot, it’s just not playing well with my current Ubuntu 20.04 installation.

  1. No screenshot app, hitting print screen does nothing
  2. Snap acting funny and can’t be found through app launcher, have to run apps through terminal and pin them.
  3. $HOME/bin scripts aren’t in PATH anymore for some reason
  4. And more..

Went back to Gnome and removed it with sudo apt remove —purge kde-plasma-desktop . But now I still have issues with 2 and 3.

How do I remove KDE plasma completely and restore my Gnome desktop to what it was?

How do I Remove the KDE Plasma Environment in Ubuntu

GNOME is the default desktop environment that comes pre-installed on Ubuntu distributions. After using it for a couple of months, the UI feels outdated compared to KDE.

However, GNOME can be styled and used in a variety of ways, but no offense WhiteSurTheme KDE is the only theme that looks like you’re using Big Sur, and GNOME Desktop lacks many other features, which drew me to KDE Plasma, but things didn’t work out.

While installing KDE Plasma over GNOME, I made some mistakes that made the system unstable to use, so I thought to revert back and use the stock GNOME environment.

The reason you want to uninstall KDE Plasma and switch to Ubuntu’s default GNOME desktop environment may be the same as mine or completely different, but our end goal is the same.

If we’re both aiming for the same result, then we should jump to step 1 of this article.

Table of Contents

Steps to Remove KDE Plasma Desktop Environment

In seven easy steps, you can get rid of KDE Plasma. These steps include turning off the plasma desktop, removing the splash screen, upgrading the initramfs, and turning on GDM3.

Step 01Auto remove the plasma-desktop and kubuntu desktop

Assuming you can still get to the terminal, you can open it with the keys Ctrl + Alt + T , or whatever you’ve set it up to be. Unfortunately, I couldn’t use the terminal, so I had to use Step 1 of this article to change the run level through the boot menu, which gave me access to the shell to run further commands.

After that, execute the below command to remove plasma-desktop:


Step 2Remove all the remaining files

Next, you should delete any leftover files that won’t be used anymore, especially anything that begins with KDE or Plasma, because some of the unneeded dependencies and configuration files may still exist even after uninstalling the desktop environment.

So, all you have to do is run the following command, which has the —autoremove flag. This will get rid of all the dependencies that are not needed anymore.

Once it’s done, go to the next section to reset the splash interface.

Step 3Reset the Splash Interface

Maybe you didn’t notice, but it looks like the GNOME splash screen has changed from how it appeared before.

To restore the default splash screen, simply copy and paste the following command into the terminal:

Upon entering the above command, you’ll see a splash interface selection screen like the one in the screenshot, so you can easily pick the correct option by reading its filename.

For me, it was the number 1, and it may be different in your case, so just enter the selection number and press enter to save your choice.

Remove the KDE Plasma environment from your Ubuntu machine and revert back to the default GNOME desktop environment: Change Default Splash Interface in Ubuntu

Change the Default Splash Interface in Ubuntu

If you are reading the command, then you may be wondering, “What is Plymouth?” A Plymouth is used to hide all the details (dmesg) while the system boots up with a lovely splash image.

This command may give you output like “update-alternatives: error: no alternatives for default.plymouth.” Simply ignore it and move on to the next steps.

Step 4Update initramfs and grub

You are about to update the initramfs file that was already loaded. After that, you will run the update-grub commands to get back to the default menu. To do this, just run the following command:

If you don’t use the -u parameter with update-initramfs , initramfs won’t be updated.

Step 5Disable the Simple Desktop Display Manager (SDDM)

KDE uses Simple Desktop Display Manager, which is also known as SDDM, so you have to first disable it to get the default lock screen that ships with Ubuntu.

Open a terminal and type the following commands to turn off the Simple Desktop Display Manager:

And after that, you can execute the following command to remove SDDM from your system:

Step 6Enable the GNOME Display Manager (gdm3)

You’ve almost undone it completely. Now, all you have to do is enable the GNOME Display Manager (gdm3) with the following command:

The first command will start GDM3 right away once the system boots, and the second command starts the GDM3 services.

Step 7Reboot your system

After executing the first and second commands, you must reboot your system for the changes to take effect and so that GDM3 can start up properly.

Upon rebooting your system, GDM3 will be started and its services will be enabled, allowing you to log into your computer with a graphical user interface.

Wrap up

Voila! You have successfully taken the KDE Plasma environment out of Ubuntu. You can now use the GNOME Desktop Environment to manage the system and its apps.

Here is the recap of the command that we have used to remove KDE plasma from Ubuntu desktop

  • Remove KDE and Plasma desktop environment
    • $ sudo apt remove plasma-desktop —autoremove
    • $ sudo apt remove kde* —autoremove
    • $ sudo apt remove plasma* —autoremove
    • $ sudo update-alternatives —config default.plymouth
    • $ sudo update-initramfs -u
    • $ sudo update-grub
    • $ sudo systemctl disable sddm
    • $ sudo systemctl stop sddm
    • $ sudo systemctl enable gdm3
    • $ sudo systemctl start gdm3
    • $ reboot

    By following the steps in this article, it’s easy to get rid of the KDE Plasma Environment on Ubuntu and replace it with the GNOME Desktop Environment and other apps. Feel free to let us know in the comments if you found this article to be informative.


    A man with a tech effusive who has explored some of the amazing technology stuff and is exploring more. While moving towards, I had a chance to work on Android development, Linux, AWS, and DevOps with several open-source tools.

    Удаление рабочего стола Plasma

    Я использую Ubuntu 16.04 LTS и установил плазменный рабочий стол, используя следующую команду:

    Но позже я удалил его с помощью этих команд:

    После перезапуска моей системы экран входа в систему все еще дает мне возможность выбрать Ubuntu(по умолчанию) или Plasma. Я хочу полностью удалить плазму.

    1 ответ

    Деинсталляция пакетов, которые устанавливаются как зависимости metapackage часто сложнее. Потому что autoremove не удаляет пакеты, извлеченные метапакетом — см. Этот вопрос для объяснения, почему Почему удаление gnome-core не удаляет все его зависимости?

    Однако, удалив этот список пакетов, вы избавитесь от рабочего стола Plasma в основном, если не полностью.

    Он не должен удалять другие приложения KDE5 (насколько я могу проверить), но он удаляет, вам необходимо установить этот пакет позже вручную.

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