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Thread: Unable to create "Persistent" Ubuntu 20.04

  1. #1
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    Unable to create "Persistent" Ubuntu 20.04

    I am using Yumi to create persistent (1 GB) Ubuntu 20.04 on a 16 GB USB but unable to make the installation as persistent. casper -rw is created but don't know why it doesn't save the session and once I restart the system, everything resets. Any help?

  2. #2
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    Re: Unable to create "Persistent" Ubuntu 20.04

    What version are you using, BIOS or BIOS/UEFI? (2.0.7.1 or 0.0.2.3)

  3. #3
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    Re: Unable to create "Persistent" Ubuntu 20.04

    BIOS/UEFI
    Does that makes any difference??

  4. #4
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    Re: Unable to create "Persistent" Ubuntu 20.04

    If USB is made using YUMI BIOS, (YUMI-2.0.7.1), it will not boot in UEFI mode. Suggest using YUMI BIOS/UEFI, (YUMI-UEFI-0.0.2.3), it boots in either mode. Only problem is that persistence is limited to 4GB, but I see you are booting okay.

    I now recall that with Ubuntu 20.04 persistence files named "casper-rw" no loner work. You must change the name to "writable".

    Persistence partitions named "casper-rw" still work though.

  5. #5
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    Re: Unable to create "Persistent" Ubuntu 20.04

    You mean to say I've to rename the "casper-rw" folder to "writeable"?

  6. #6
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    Re: Unable to create "Persistent" Ubuntu 20.04

    You could sidestep all of this and just install to the USB like it was an internal drive

  7. #7
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    Re: Unable to create "Persistent" Ubuntu 20.04

    Quote Originally Posted by alok8 View Post
    You mean to say I've to rename the "casper-rw" folder to "writeable"?
    Yes, just rename the casper-rw file. Not the folder. You may need to be root.
    Last edited by C.S.Cameron; 4 Weeks Ago at 09:00 AM.

  8. #8
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    Re: Unable to create "Persistent" Ubuntu 20.04

    Quote Originally Posted by ActionParsnip View Post
    You could sidestep all of this and just install to the USB like it was an internal drive
    Perhaps alok8 is using YUMI because he wants to multiboot a lot of OSs. Multiboot can be done with Full installs but not as quickly as with YUMI or Ventoy.

    Come to think of it Ventoy might be an option to YUMI, It can use persistence files greater than 4GB both BIOS and UEFI

  9. #9
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    Re: Unable to create "Persistent" Ubuntu 20.04

    Just to confirm:
    Created a persistent USB using YUMI-2.0.7.1, formatting was FAT32, MSDOS partition table, (GPT would not work), made casper-rw 1GB.
    Booted the drive and made some changes to test persistence, confirmed that it was not persistent.
    Plugged the drive back into a Windows machine, selected the drive in Files and opened the ubuntu-20.04-desktop-amd64 folder.
    Changed the name of casper-rw to writable.
    Drive is now persistent.

  10. #10
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    Re: Unable to create "Persistent" Ubuntu 20.04

    Quote Originally Posted by C.S.Cameron View Post
    Perhaps alok8 is using YUMI because he wants to multiboot a lot of OSs. Multiboot can be done with Full installs but not as quickly as with YUMI or Ventoy.

    Come to think of it Ventoy might be an option to YUMI, It can use persistence files greater than 4GB both BIOS and UEFI
    Actaully, I'm having some issues with my Window 10, so looking an alternative OS to get my things going on. Ubuntu will be my only OS on the USB stick.

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