How to Upgrade to KDE Plasma 5.2 in Kubuntu 14.10

KDE Plasma 5.2

KDE Plasma 5.2 has been announced today with a number of new components, new features and many more bug-fixes.

According to the release note, the new release comes with below new components:

  • BlueDevil to manage Bluetooth devices.
  • KSSHAskPass, a graphical UI to enter SSH keys’ passwords.
  • Muon: install and manage software and other addons for your computer.
  • Login theme configuration (SDDM)
  • KScreen, a System Settings module to set up multiple monitor support.
  • GTK Application Style, configure themeing of applications from Gnome.
  • KDecoration: this new library to make themes for KWin, Plasma’s window manager.

Also there are many other highlights in the KDE Plasma 5.2, such as:

  • Undo changes to Plasma desktop layout
  • press Alt-space to easily search through your computer
  • Breeze window decoration theme is now used by default.
  • New plasma widgets: 15 puzzle, web browser, show desktop
  • Various improvements and over 300 bug-fixes.

Fore more details, go to

How to Install / Upgrade to KDE Plasma 5.2 in Ubuntu:

For (K)Ubuntu 14.10 and derivatives users, the latest packages are available for install / upgrade at the Kubuntu Next Backports PPA.

Just open a terminal window, and run below commands one by one to add the PPA, update package cache and install or upgrade KDE:

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

sudo apt-get update

sudo apt-get dist-upgrade

sudo apt-get install plasma-desktop plasma-workspace plasma-workspace-wallpapers

sudo apt-get dist-upgrade

That’s it. Enjoy!

By Ji m

I'm a freelance blogger who started using Ubuntu in 2007 and wishes to share my experiences and some useful tips with Ubuntu beginners and lovers. Please comment to remind me outdated tutorial! And, notify me if you find any typo/grammar/language mistakes. English is not my native language. Contact me via Buy me a coffee:


  1. Upgraded to 5.2 but went back to Ubuntu Gnome. Plasma 5.2 is far from stable!
    * File-manager is very unstable when viewing / opening / editing files on a NAS station.
    The file manager keeps crashing when enabling / disabling the preview mode. Sometimes i cannot connect to the station. Requires a reboot.
    * The ‘hot corner’ feature is very buggy. It works, or it doesn’t work. Sometimes nothing happens and after a restart it works again.
    * The desktop is toasting my Nvidia Graphics card. Temperature often gets to 60 degrees Celsius, while in Ubuntu it keeps at around 33. Not sure whats going on here.
    * And a lot more issues…!

  2. I agree with Danny!
    The new Plasma 5 desktop isn ‘t stable enough and brings a lot of problems. Do not upgrade if you need a well working system. In my case (Kubuntu 14.10) the (next) booting process stopped with Plasma 5 after running the filemanager (dolphin) as root. No chance to run the x-server. Perhaps it is a problem with Nvidia Graphics cards. So I had to cancel the system and return to Plasma 4…. I hope that the KDE People fixed these heavy bugs in the next versions.

    1. @Wolfgang ,,,,,,,, you do not run dolpin as root (it is shure to hijack the ownership/permitions of your files and posablie ~/.Xauthority as well , and you will be locked out of your login.

      if you must run as root use “kdesudo dolphin” and not just sudo or starting from a root shell .


  3. After I update Kubuntu 14.10 ( kubuntu-devel-release-upgrade ) to 15.04 through run command, and then, I got some problems arised :-
    1) update manager not opened
    2) kubuntu-devel-release-upgrade did not working in run command
    3) USB Modem device not detecting
    4) Not installing softwares through software center

    Please rectify the corrections for further KDE Plasma new version ( Include Media support, with beautiful look )



  4. se der erro no plasma-workspace plasma-workspace-wallpapers e só apagar essa parte do código que ele instala

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