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  1. Re: PopOS Unable to boot (Volume group not found)

    I did some more research in the incomplete update vein. I think this is the problem. When I run apt upgrade, it gives the following output:



    The following packages have been kept back:
    ...
  2. Re: PopOS Unable to boot (Volume group not found)

    Yes, I disabled it with swapoff and commented it out in fstab and crypttab.

    Here's the output of fdisk which shows the swap is gone:


    Disk /dev/nvme0n1: 238.47 GiB, 256060514304 bytes,...
  3. Re: PopOS Unable to boot (Volume group not found)

    I tried updating my system and rebooting, but no change.

    When I boot and get dumped to BusyBox and try to exit, it was giving me an error similar to this:
    ...
  4. Re: PopOS Unable to boot (Volume group not found)

    Ok, that sounds like a good plan, thanks.

    I disabled the swap, but when I try to delete the LV, it says the device is in use even though free seems to indicate otherwise:


    Logical volume...
  5. Re: PopOS Unable to boot (Volume group not found)

    Hmm, yeah, I'm not sure why I ended up doing that, but I agree.

    I don't really care if it is encrypted at all in fact and would be fine with foregoing the encryption altogether.

    Wild...
  6. Re: PopOS Unable to boot (Volume group not found)

    Yes, I believe my system is LVM+LUKS. I'm able to boot by choosing the old kernel though, so it feels like some process in the update just failed. Would like to use restoring from backup as a last...
  7. Re: Unable to boot (Volume group not found)

    Got it, well thank you for looking anyways.

    Here's some other resources I found when I was trying to investigate the problem:
    -...
  8. Re: Unable to boot (Volume group not found)

    Ok, sure here's the output I got: https://paste.ubuntu.com/p/WyjwqsBrwX/
  9. PopOS Unable to boot (Volume group not found)

    I just upgraded my system and when I restarted I get an error


    Volume group "OSs" not found
    Cannot process volume group OSs


    After a few of these, I get:
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    Re: Files gone from USB after unmounting

    Seems that might be case and I'm out of ideas anyways.

    Thanks for the assistance though.
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    Re: Files gone from USB after unmounting

    Yes. Earlier in this thread I tried on Windows, USB 2.0 vs 3.0 ports, and the other items on that list.
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    Re: Files gone from USB after unmounting

    No problem, unfortunately it didn't work though.

    There is an option to check the whether the protection is set, for me it was not.

    I tried some other things with hdparm and wiping with dd as...
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    Re: Files gone from USB after unmounting

    Thanks, I had actually bookmarked that while I was searching.

    I'm going to give this a try first, if it doesn't work will try to follow that post.
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    Re: Files gone from USB after unmounting

    I don't think it's related to this. I have also tried across different devices.
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    Re: Files gone from USB after unmounting

    Yeah, I've been thinking to try with the USB 2 port on the laptop. Have had issues in the past with bootable media on 3.0 ports.

    Sorry, I forgot to answer. Yes, it's a flashdrive.
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    Re: Files gone from USB after unmounting

    Ask and you shall receive.


    /dev/sdb1 on /mnt type vfat...
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    Re: Files gone from USB after unmounting

    So I tried all kinds of things in Windows.

    I tried running chkdsk, formatting, cleaning the disk with diskpart which gave a strange error: "cannot zero sectors on disk."

    It seems for some...
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    Re: Files gone from USB after unmounting

    The options shown by mount all look good, they match what I expect.

    I gave the configuration shared by TheFu a try, but no luck.

    Also tried mounting to /mnt.

    I do not eject, but I do...
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    Re: Files gone from USB after unmounting

    I tried with these permissions, but unfortunately the issue persists.

    I encounter no errors or permission issues when I copy the files over (and didn't with the previous permissions either).

    I...
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    Re: Files gone from USB after unmounting

    Oh ok, I'll give that a try, thanks.

    I found the values I was using on this page: https://help.ubuntu.com/community/Mount/USB#Using_mount
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    Files gone from USB after unmounting

    I am trying to copy files to a USB.

    I copy the files (seemingly successfully), but once I unmount, they're gone.

    It's a FAT32 drive according to fdisk and I mount it with
    sudo mount -t vfat...
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    [server] Deluge Permission Denied

    I am trying to seed some files that I had already downloaded. I copied the files over to a folder in my home directory. When I open the torrent in deluge however, I get an error saying that...
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    Re: Installation Graphics Issue after Grub

    It's a Dell Inspiron 5521. I believe and it is just using Intel integrated graphics. I didn't see "quiet splash" I had "quiet ---" and replaced it with "nomodeset ---" but no luck. However setting ...
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    Installation Graphics Issue after Grub

    I am trying to install 16.04.4, but after selecting install from the first menu, I see a screen that looks like the attached image. I verified the ISO and made the image with Rufus 2.18. I tried a...
  25. Disable Laptop Display (xset and vbetool have both failed)

    I'm running Ubuntu Server on a Dell Inspiron 15R Laptop. I'd like to have the display turned off as it is unnecessary. I've tried using
    xset dpms force off which returns
    xset: unable to open...
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