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

Last updated: February 7, 2018

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.

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


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

  1. I have done the above steps, but when I get to “sudo apt install kubuntu-desktop” I get
    E: unable to locate package kubuntu-desktop
    doing “apt search tu-desktop” results in qtubuntu-desktop and ubuntu-desktop’
    do I need to add another repo and what would that be

  2. DigitalWhispers March 12, 2018 at 6:56 am

    This is great. I’m installing as we speak. Is there a good resource for KDE Plasma customizations. I know there are just so many. I would love to find a site that really delves into the many options. Thanks!

  3. Tshering Namgyal Wangdi March 26, 2018 at 6:21 pm

    Install package plasma-desktop