How to Install Plasma 5.12 LTS in (K)Ubuntu 17.10

February 7, 2018 — Leave a comment

KDE Plasma 5.10

KDE Plasma Desktop 5.12, a new long-term support release, was released a day ago. Here’s how to install it in (K)Ubuntu 17.10 via PPA.

Plasma 5.12 is the second LTS release from the Plasma 5 team. It features:

  • Many improvements to the Discover in stability and user interface.
  • Add support for interactive previews in the notification system
  • Much more usable Wayland support
  • Global Menus have returned in Plasma 5.12.
  • Folder View is now the default desktop layout.
  • Media controls have been added to the lock screen.
  • New System Settings interface
  • And many other changes, see release note for details.

How to Install Plasma 5.12 in Ubuntu 17.10:

Kubuntu backports PPA has made the packages for (K)ubuntu 17.10.

1. Open terminal via Ctrl+Alt+T or by searching for “Terminal” from start menu. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:kubuntu-ppa/backports

Type in your password when it prompts and hit Enter.

kubuntu backports ppa

2. Then upgrade your system to get the latest Plasma Desktop via either Update Manager or command:

sudo apt update && sudo apt full-upgrade

After the upgrade process has completed, and assuming everything went well, reboot your computer.

For non-Kubuntu user, you may first install the kubuntu-desktop package either from Ubuntu Software or by running below command before doing the upgrade.

sudo apt update && sudo apt install kubuntu-desktop

How to Uninstall:

To undo the changes and restore to the stock version of Plasma Desktop in your main Ubuntu repository, purge the PPA via command:

sudo apt install ppa-purge && sudo ppa-purge ppa:kubuntu-ppa/backports

I'm a freelance blogger who started using Ubuntu 5+ years ago and wishes to share my experiences and some useful tips with Ubuntu beginners and lovers. Please notify me if you find any typo/grammar/language mistakes. English is not my native language. Contact me on Google Plus or email to

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