How to Install Plasma 5.11 in Kubuntu 17.10

KDE Plasma 5.10

KUbuntu 17.10 users can now upgrade the Plasma desktop to the latest 5.11.2 release through Kubuntu Backports PPA.

Plasma 5.11 was released a few weeks ago with following new features:

  • Revamped System Settings app
  • New “Vault” allows to lock and encrypt sets of documents.
  • Improvements to notifications,task manager, folder view.

Install Plasma 5.11.2 in KUbuntu 17.10 via PPA:

The second bug-fix release for the Plasma 5.11 is now available in Backports PPA for Ubuntu 17.10.

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

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

Input your password (no visual feedback while typing) when it prompts and hit Enter.

2. Then upgrade your system via your update manager or run command:

sudo apt update && sudo apt full-upgrade

For other Ubuntu 17.10 flavors that want to install Plasma Desktop 5.11, run following command in terminal to install KDE desktop environment:

sudo apt update && sudo apt install kubuntu-desktop

How to Restore:

It can be restored to the stock Plasma Desktop 5.10.5 in Kubuntu 17.10 by purging the PPA via command:

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