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  1. #1
    Join Date
    Aug 2008

    how to pull back upgrade

    How to pull back upgrade from fedora 27 beta back to fedora 26

    I tried to upgrade to fedora 27 beta use upgrade as root
    Now when I boot the machine it is still f26,
    uname -a:
    Linux codelion 4.12.11-300.fc26.x86_64 #1 SMP Thu Sep 7 18:32:12 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

    but when I dnf update as root, I could tell it did update the f27
    dnf update:
    anaconda.x86_64 27.20.1-4.fc27
    anaconda-core.x86_64 27.20.1-4.fc27
    anaconda-gui.x86_64 27.20.1-4.fc27
    anaconda-tui.x86_64 27.20.1-4.fc27
    anaconda-widgets.x86_64 27.20.1-4.fc27
    gawk.x86_64 4.1.4-7.fc27
    mpg123-libs.x86_64 1.25.6-1.fc27
    selinux-policy.noarch 3.13.1-283.3.fc27
    selinux-policy-targeted.noarch 3.13.1-283.3.fc27
    shared-mime-info.x86_64 1.9-1.fc27


  2. #2
    Join Date
    Oct 2011

    Re: how to pull back upgrade

    You can try with something like `sudo dnf --releasever=26 distro-sync`.

  3. #3
    Join Date
    Aug 2008

    Re: how to pull back upgrade

    thank you, srakitnican, for the reply

    It worked,

  4. #4
    Join Date
    Nov 2009

    Re: how to pull back upgrade

    You should note that uname tells you what kernel is currently running , it does NOT tell you what distro version you are on.

    What you saw was that it last booted using the old fed 26 kernel (for whatever reason). That does not mean you are not running the fed 27 versions of all the packages.

  5. #5
    Join Date
    Oct 2007

    Re: how to pull back upgrade

    I learned, some time ago, that programs such as dnf don't actually look at /etc/fedora-release, they find out what version of fedora-release.noarch.rpm you have installed. A bit weird, but true. And, if an incomplete upgrade leaves two versions listed in its database, it will use the first one it finds, which will be the earliest of them. Using

    sudo dnf list installed fedora-release.noarch
    will tell you if that's happened and if so, you can use either dnf or rpm to remove whichever one doesn't belong.
    Registered Linux user #470359 and permanently recovered BOFH.

    Any advice in this post is worth exactly what you paid for it.

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