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Thread: problem with upgrade to 20.04 on a stick

  1. #1
    Join Date
    Jun 2020
    Beans
    2

    problem with upgrade to 20.04 on a stick

    I have installed ubuntu (19.10) on a stick (persistant mode). I receive the message to upgrade to 20.04 but during 1st part of installation it breaks with message: ubuntu security Realease contains no release-file.
    Have any one an idea for help? Thanks

  2. #2
    Join Date
    Oct 2006
    Beans
    56,757

    Re: problem with upgrade to 20.04 on a stick

    Is it worth troubleshooting when you can create another persistent USB with a fresh download of 20.04 ?

  3. #3
    Join Date
    Jun 2020
    Beans
    2

    Re: problem with upgrade to 20.04 on a stick

    I use the stick a long time - until now all upgrades were Ok. I want to know why this is difficult to upgrade now.

  4. #4
    Join Date
    Mar 2007
    Location
    Georgia USA
    Beans
    223
    Distro
    Xubuntu

    Re: problem with upgrade to 20.04 on a stick

    I don't understand the thought process here, either.
    Why are you looking to upgrade your Live USB stick?
    If you have files/settings setup on it, best process would be to back them up, download the 20.04 ISO and create a new Live USB with the usb creation tool in the repos.
    It would save you an awful lot of headache in the long run.
    And, isn't sanity really just a one-trick pony anyway? I mean, all you get is one trick: "rational thinking."
    But, when you're good and crazy? Oooh! Oooh! Oooh! The sky is the limit!

  5. #5
    Join Date
    Jun 2007
    Location
    A Village in the Jungle
    Beans
    3,266
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: problem with upgrade to 20.04 on a stick

    You can not upgrade the kernel on a Persistent USB stick.
    Also the casper-rw file/partition only works on one version of Ubuntu.
    Things will go haywire if you try to use it on a newer version.

    You can salvage your home directory with all your data and settings.
    This is easy if you made the USB using mkusb.
    mkusb has a built in home backup feature, look in the usbdata partition.
    For a Rufus drive home can be copied using rsync or grsync.
    Things are a little more complex if you used UNetbootin or Universal to make the USB, but it is still possible.

    Edit:
    Ah Ha! reviewing the posts here, I am wondering if your USB stick has a Persistent install or a Full install of Ubuntu?
    A Full install can be worth upgrading , I had upgraded a stick starting from 8.04 for many years, I felt comfortable with GRUB 1.
    Last edited by C.S.Cameron; June 15th, 2020 at 03:46 AM.

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