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Thread: Upgrade from x86 to 64-bit

  1. #1
    Join Date
    Jul 2006

    Question Upgrade from x86 to 64-bit

    Hey everyone,

    Few days back I've installed Lubuntu 12.10 x84 version. It was going ok, but I've realised that my CPU can handle 64-bit version of the OS.

    So the question is - can I (if yes, how? I'm rather new Linux user) upgrade mu Luubntu to 64-bit version without loosing my data?

    I've tried to find something on the Internet and this forum, but no luck. I'll be gratefull for every hint and reply!

    Best regards

  2. #2
    Join Date
    Jul 2007
    Magic City of the Plains
    Xubuntu 17.10 Artful Aardvark

    Re: Upgrade from x86 to 64-bit

    There's no upgrade path from 32- to 64-bit, you'll need to do a fresh install.

  3. #3
    Join Date
    Jun 2009
    SW Forida
    Ubuntu 16.04 Xenial Xerus

    Re: Upgrade from x86 to 64-bit

    Welcome to the forums.

    Do you have a separate /home. Then you can just reinstall using Something Else and when choosing /home DO NOT reformat.

    Otherwise you need to backup /home. If you have installed a lot of applications you also want to make a list to make it easier to reinstall.

    To move /home uses rsync- Be sure to use parameters to preserve ownership & permissions

    discussion of alternatives/strategy backups

    Oldfred's list of stuff to backup May 2011:

    from lovinglinux - use dpkg to list installed apps
    From old install
    dpkg --get-selections > ~/my-packages
    From New install
    sudo dpkg --set-selections < my-packages
    sudo apt-get -y update
    sudo apt-get dselect-upgrade
    For more info on UEFI boot install & repair - Regularly Updated :
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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