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Thread: Migrating from 32-bit to 64-bit -- best way to migrate all files/settings?

  1. #1
    Join Date
    Aug 2010
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    39
    Distro
    Ubuntu

    Migrating from 32-bit to 64-bit -- best way to migrate all files/settings?

    I'm currently in the process of migrating my Ubuntu server from 10.04.1 32-bit to 10.04.3 64-bit. I'm doing the new setup on a different drive, so I currently have both drives hooked up in the machine. I just completed the partitioning/installation of the 64-bit version of Ubuntu server on the new SSD. The /home directory was already on a separate partition on the original drive, so that will be the easy part (just mounting that same drive/partition on the new install). Now, I'm trying to figure out the best way to get all of the programs/settings and OS config files to the new install. What is the best way to go about this?

    The server's duties include: MythTV master backend, SSH, SMB, FTP, Apache, Ampache, Ventrilo, Transmission...

    Any help is greatly appreciated!

  2. #2
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
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    Hidden!
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Migrating from 32-bit to 64-bit -- best way to migrate all files/settings?

    I do not know if myth & its apps have data in other places than /home.

    But you can reinstall all the applications, by exporting the list and reinstalling. It is just a list of names so you can manually edit it if necessary and it will just install the correct version for the system you have installed.

    from lovinglinux - use dpkg to list installed apps
    http://ubuntuforums.org/showpost.php...75&postcount=5
    http://kevin.vanzonneveld.net/techbl...selectupgrade/
    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 info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  3. #3
    Join Date
    Aug 2010
    Beans
    39
    Distro
    Ubuntu

    Re: Migrating from 32-bit to 64-bit -- best way to migrate all files/settings?

    That was VERY helpful. Thank you.

    That is essentially all I did. Then, I actually just copied my entire /etc folder from the old installation to the new one. I had a few minor hiccups to fix, but I've got the majority of it up and running flawlessly now!

    Almost there...

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