How to Install KDE 4.2 beta in Ubuntu 8.10 (Intrepid Ibex)

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The KDE project aims to change all that. KDE now provides an easy to use contemporary desktop environment available for UNIX and compatible systems. Together with a free implementation of UNIX such as GNU/Linux, UNIX/KDE constitutes a completely free and open computing platform available to anyone free of charge. Source code is available for anyone to look at, learn from, modify and improve. Whilst there is always room for improvement, KDE today delivers a viable feature packed alternative to the more commonly found commercial operating systems/desktops combinations available.

It is our hope and continued ambition that KDE will bring open, reliable, stable and monopoly-free computing enjoyed by scientists and computing professionals world-wide to the everyday user.

If you want to know what is new in KDE 4.2 check here

Important Note:- KDE 4.2 is still in beta and can be buggy. It’s advised to only use it for testing purposes. The final release is expected in January 2009.

Install KDE 4.2 beta in Ubuntu 8.10

Go to System->Administration->Software Sources now click on Third-Party Software tab and click Add. Add the following line when it ask for software updates click yes

deb intrepid main

Now you need to open the terminal windows enter the following command

sudo aptitude install kde-nightly


You need to edit the /etc/apt/sources.list file

sudo gedit /etc/apt/sources.list

add the following line save and exit

deb intrepid main

Update the source list file using the following command

sudo aptitude update

Install KDE 4.2 using the following command

sudo aptitude install kde-nightly

This will complete the installation now you need to logout and select KDE session once you logged in you should see similar to the following screen

KDE 4.2 Desktop

KDE 4.2 Desktop

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12 Responses

  1. Jimi says:

    Did exactly as written but says it can’t be found when you run the terminal command.

  2. admin says:


    Try now and let me know you have any problem

  3. Bugs74 says:

    How easy is it to revert to gnome? Or does it let you choose what to use?
    I would love to try it but I am afraid to mess up my gnome installation…

  4. admin says:

    @If you want to try i would suggest just use your test system and if you try on your production system it might mess up

  5. Howard says:

    Thanks for making this available. It worked well and, so far, I’m impressed. It is so much better than kde4.1 that came with kubuntu 8.10.

  6. Fujiko Fujio says:

    Worked well on my installation, however firefox looks kinda bad with the default theme. Also my volume is too low, how can I make it louder?

  7. Jim Davis says:

    I agree the 4.1 version of KDE that shipped with 8.10 i found terrible i doubt 4.2 could be anymore buggy.

  8. Howard says:

    I would appreciate general advice on how often to download and install the “nightly” upgrades.

  9. boy123 says:

    What’s the best way to uninstall this?

  10. Ajaya says:

    I have installed the KDE4.2 and have some issues. I would like to uninstall. Would someone help?

  11. fujiko fujio says:

    Found it to be slow and buggy, removed by:

    sudo apt-get kde-nightly
    sudo apt-get autoremove

    Some updates to qt4 broke smplayer and vlc for me.

  12. fujiko fujio says:

    correction: sudo apt-get remove kde-nightly

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