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Thread: Change from Kubuntu to Ubuntu

  1. #1
    Join Date
    Sep 2008
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    Change from Kubuntu to Ubuntu

    Hello I am new to Ubuntu and have got myself into a bit of a pickle. I installed the latest Kubuntu onto my new system which until then had no other OS. I now want to install Ubuntu but have no idea how to go about it. I can't seem to find any options to format my HDD so that it would be how it was when I installed Kubuntu. Any help you can offer would be greatly greatly appreciated!

    Gaz

  2. #2
    Join Date
    Oct 2006
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    Ubuntu 9.10 Karmic Koala

    Re: Change from Kubuntu toUbuntu

    Ubuntu and Kubuntu are the same thing (same repositories, same applications, etc.). The only difference is that Kubuntu comes with KDE preinstalled, whereas Ubuntu uses Gnome by default.

    You have two options at this point :
    1. Install Ubuntu as you did with Kubuntu. If you come from Windows, you're probably used to this. Easiest and most straightforward. Or :
    2. Install the ubuntu-desktop metapackage and sort it later, which means you'll still be able to run your KDE applications until you remove them. This can be messy, but is the fastest way. Next time you log in, just choose "Gnome" from the Session menu at the login prompt.

  3. #3
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    Ubuntu 10.10 Maverick Meerkat

    Re: Change from Kubuntu toUbuntu

    THey are the same except for the user interface. Open a konsole & do
    Code:
    sudo apt-get install ubuntu-desktop
    oh, choose gdm instead of kdm during the process. You'll see what I mean during the install.

    No need to reformat or anything.

  4. #4
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    Sep 2008
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    Re: Change from Kubuntu toUbuntu

    Thanks for the quick respone. I think option 1 is best for me! I have Ubuntu on disc but don't know how to install it from Kubuntu. Do I need to format the HDD? If so is it possible to do that within KDE?

  5. #5
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    Re: Change from Kubuntu toUbuntu

    I;m not sure if you can install it inside kubuntu but you can boot from the ubuntu cd in bios and shrink the partitions using GParted

  6. #6
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    Re: Change from Kubuntu toUbuntu

    Quote Originally Posted by Gradeo View Post
    Do I need to format the HDD? If so is it possible to do that within KDE?
    Are you trying to install Ubuntu to replace Kubuntu ? I think you'll find formatting the hard drive on which the OS you are currently using is running to be a bad idea.

    Just insert the Ubuntu CD, reboot your computer using the CD as boot medium, and follow the instructions. The process is identical to the installation of Kubuntu, unless you installed with Wubi from Windows. You'll be asked at one point if you want to format your drives and how you wish to partition them.

  7. #7
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    Sep 2008
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    Re: Change from Kubuntu toUbuntu

    I am currently downloading ubuntu-desktop from that apt-get thingy. I tried to run the disc with ubuntu on it but it boots from the HDD first avoiding booting from the disc. There are no files I need to keep on the HDD as it's brand new bought so I could experiment buildin a computer and putting ubuntu or kubuntu on it.

    Is there anyway to get the cd to boot at startup before grub(or whatever the loader is called) launches kubuntu?

    And if I am not bothered about any data currently on the hard drive, is formatting it an viable option?

    p.s. thanks for getting back to me so quickly!!

  8. #8
    Join Date
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    Ubuntu 14.04 Trusty Tahr

    Re: Change from Kubuntu toUbuntu

    I have been running xubuntu from thumbdrive.
    Yesterday I went to synaptic and installed ubuntu-desktop.
    I now have the option for either at boot.
    I understand that you can use synaptic to remove kubuntu-desktop if you wish, but I have not tried it.
    The command line method of installing the desktops did not work for me in a big way, (reformat required).

  9. #9
    Join Date
    Oct 2006
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    Ubuntu 9.10 Karmic Koala

    Re: Change from Kubuntu toUbuntu

    Quote Originally Posted by Gradeo View Post
    Is there anyway to get the cd to boot at startup before grub(or whatever the loader is called) launches kubuntu?
    Yup, but it's a bit more advanced. Watch closely when your computer boots. It may say something about :
    "pressing [some key] to select boot device" : you're in luck. Quickly press that key. If you do not press it fast enough, just wait until you can reboot, and try again. Select your CD drive as a boot device, confirm, reboot. Sometimes it's F8, sometimes it's something else. Check on the Internet if you can find the particular instructions for your particular computer.

    Else : "pressing [some key] to enter BIOS/Setup". This is more difficult. The key might be DEL or F2. Once you are into the BIOS, do NOT change anything unless you are POSITIVE it's your boot device order. This will probably be tricky if it's the first time you're doing it. Look for complete tutorials on the Web before attempting it. Some settings in the BIOS are a bit dangerous to play with : don't save until you are certain you changed only your boot device order (with the CD drive as the first option).

    Quote Originally Posted by Gradeo View Post
    And if I am not bothered about any data currently on the hard drive, is formatting it an viable option?
    Well, the brute reinstall *will* format your drive anyway. When it asks you how to configure your partitions, tell him you want to format your Kubuntu ext3 partition and use it as your root partition.

    Edit :
    Quote Originally Posted by C.S.Cameron
    I understand that you can use synaptic to remove kubuntu-desktop if you wish, but I have not tried it.
    You can, but as it's a meta-package it won't uninstall anything. You will need to use the autoremove feature. Meta-packages are very useful for installing several packages in one go, or automatically installing the correct package depending on the architecture.
    Last edited by Mornedhel; September 14th, 2008 at 05:41 PM. Reason: typo

  10. #10
    Join Date
    Jul 2008
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    London, UK.
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    Kubuntu 10.04 Lucid Lynx

    Re: Change from Kubuntu toUbuntu

    You don't need to install Ubuntu over Kubuntu, once you have installed ubuntu-desktop you can choose which environment you want to run, when it asks what dm to use, kdm or gdm select gdm & continue.

    If you want to remove kubuntu-desktop just paste the following into the terminal:

    Code:
    sudo apt-get remove kubuntu-desktop kubuntu-artwork-usplash
    This will in effect turn Kubuntu into Ubuntu.

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