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Thread: Upgrade without downloading your packages again.

  1. #1
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    Post Upgrade without downloading your packages again.

    My Ubuntu version is 11.04 and I wanna upgrade it to 12.04.
    But for this purpose I have to re download my installed packages.
    How can I reach to this purpose without downloading them again?( I have a ISO Ubuntu 12.04 whom I can burn it on a disk. )
    I search about it and I found a way which I'm not sure about it.
    The mentioned way is :
    Code:
    dpkg --get-selection > package_list
    dpkg --set-selection < package_list
    What is your opinion about it?
    are you believe that it can reach us to that point?

  2. #2
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    Re: Upgrade without downloading your packages again.

    Why you have to download them again?

    The upgrade process is for just migrate your apps and home user.


    I think that your aproach may fail misserably....

  3. #3
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    Re: Upgrade without downloading your packages again.

    Quote Originally Posted by Sergius14 View Post
    Why you have to download them again?

    The upgrade process is for just migrate your apps and home user.


    I think that your aproach may fail misserably....
    Are you saying the Upgrade process do not change and remove the installed packages by user?

  4. #4
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    Re: Upgrade without downloading your packages again.

    Quote Originally Posted by smss View Post
    Are you saying the Upgrade process do not change and remove the installed packages by user?
    Yes, in theory your offical ubuntu packages will also be upgraded in the process. The exception being any packages that are not offered in 11.10/12.04 and PPA's will not be upgraded. Your 11.04 release has reached EOL so you can try upgrade and see how it goes.

    Your upgrading to Unity/Gnome3, I say you can expect some breakage.

  5. #5
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    Re: Upgrade without downloading your packages again.

    I upgraded a computer from 11.04 to 12.04 and it worked without any problems. (I don't remember if I had to upgrade via 11.10.)

    However, you may have to add back any PPAs that you have manually added.

    Just be sure to make full backups before you start; any upgrade always carries a risk.
    Problems with WINE?
    Full Circle Magazine :: Confused "allot"? :: Cheap Linux stickers
    In my day, we had outdoors in which to run, play, and socialise. Now we have computers to do those.

  6. #6
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    Re: Upgrade without downloading your packages again.

    How can get a backup from GPG secret keys?

  7. #7
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    Re: Upgrade without downloading your packages again.

    Quote Originally Posted by smss View Post
    How can get a backup from GPG secret keys?
    I would post this request as a new thread in the Security Discussions.
    Problems with WINE?
    Full Circle Magazine :: Confused "allot"? :: Cheap Linux stickers
    In my day, we had outdoors in which to run, play, and socialise. Now we have computers to do those.

  8. #8
    Join Date
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    Re: Upgrade without downloading your packages again.

    Thanks, I created my launchpad account when I was running Maverick and my keys are still in that /home. I need to copy those.

    Back up gpg key
    https://help.ubuntu.com/community/GnuPrivacyGuardHowto
    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.







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