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I have Ubuntu 16.04 and installed plasma kde environment. later found it had some bugs and tried to uninstall it. apt-get purge kubuntu-desktop works but my grub loader is not changing back to previous version. And it still shows switching option in the login screen for plasma.

I need help. to roll back to original Ubuntu build. I have over 20GB of opt content and have only one partition.

Anwar
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syam
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1 Answers1

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To go back to previous grub background

If you want to go back to the Ubuntu's login screen and grub background, use this command

sudo update-alternatives --config text.plymouth

This will show you options to select something like below -

There are 5 choices for the alternative text.plymouth (providing /usr/share/plymouth/themes/text.plymouth).

  Selection    Path                                                                   Priority   Status
------------------------------------------------------------
* 0            /usr/share/plymouth/themes/xubuntu-text/xubuntu-text.plymouth           150       auto mode
  1            /usr/share/plymouth/themes/kubuntu-text/kubuntu-text.plymouth           60        manual mode
  2            /usr/share/plymouth/themes/text/text.plymouth                           40        manual mode
  3            /usr/share/plymouth/themes/ubuntu-mate-text/ubuntu-mate-text.plymouth   100       manual mode
  4            /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth             50        manual mode
  5            /usr/share/plymouth/themes/xubuntu-text/xubuntu-text.plymouth           150       manual mode

Select the one with Ubuntu by typing the number and press Enter.

To remove most of the KDE and plasma components

Use the solution I gave in this question https://askubuntu.com/a/814627/61218

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Anwar
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