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Thread: Can't log into Ubuntu

  1. #1
    Join Date
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    Ubuntu 16.04 Xenial Xerus

    Can't log into Ubuntu

    I hope some kind soul will help me get my desktop back

    I tried to start my computer with a USB hard drive(NTFS) already connected and on(I was going to back up files). This led to a number of problems.
    First on booting the computer the screen showed this message " The disk drive for /media/Data Copy is not ready yet or not present" then offered option S to Skip, M manual recovery or wait. I tried skip and it gave me the grub menu which is odd as my computer boots through GPT. I rebooted same message again pressed S and I got login screen. However when I enter my password it starts booting and then just goes back to login screen. I am only able to gain access through the guest account. How do I regain access to my own account and get rid of the message on the boot up screen?

    I am stuck in an endless login loop

    not sure if this helps but here is Output of blkid

    guest-b3yQML@david-desktop:~$ sudo blkid
    sudo: unable to change to sudoers gid: Operation not permitted
    sudo: setresuid() [0, 0, 0] -> [118, -1, -1]: Operation not permitted
    guest-b3yQML@david-desktop:~$ blkid
    /dev/sda1: LABEL="EFI" UUID="6EE3-8F18" TYPE="vfat"
    /dev/sda3: LABEL="ROOT" UUID="fb91ba53-76d5-41af-aa6f-24035b6de7a4" TYPE="ext4"
    /dev/sda4: LABEL="HOME" UUID="89427c18-2e81-494e-baef-933d3216d968" TYPE="ext4"
    /dev/sda5: UUID="f531caff-a236-4f4c-a401-3b7fbc067c30" TYPE="swap"
    /dev/sdb1: LABEL="STORAGE" UUID="b3aaffec-03c9-40dd-b836-35d9346019cb" TYPE="ext4"
    guest-b3yQML@david-desktop:~$
    Last edited by SuperFreak; July 3rd, 2012 at 02:08 PM.
    MB: Asrock Extreme4-M CPU: Intel(R) Core(TM) i7-3770K CPU @3.50GHz Memory: Corsair Low Profile Vengeance 16.00 GB. GC On CPU HD4000 Platform: x86_64 Distribution: Dual Boot -Ubuntu 16.04 Xenial Xerus with Cinnamon DE and Linux Mint 18 Sarah Cinnamon

  2. #2
    Join Date
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    Ubuntu 14.10 Utopic Unicorn

    Re: Can't log into Ubuntu

    Log in a tty (Press Ctrl+Alt+F1), then type this command:
    Code:
    sudo chown yourusername:yourusername ~/.Xauthority
    Additional info: You can't sudo in guest because guests are not sudoers.

  3. #3
    Join Date
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    Ubuntu 16.04 Xenial Xerus

    Re: Can't log into Ubuntu

    Thanks for your reply.

    I tried the command and I get this message:
    Chown: cannot access `//.Xauthority no such file or directory

    I did in fact type in ~/.Xauthority not `//.Xauthority
    Last edited by SuperFreak; July 3rd, 2012 at 03:32 AM.
    MB: Asrock Extreme4-M CPU: Intel(R) Core(TM) i7-3770K CPU @3.50GHz Memory: Corsair Low Profile Vengeance 16.00 GB. GC On CPU HD4000 Platform: x86_64 Distribution: Dual Boot -Ubuntu 16.04 Xenial Xerus with Cinnamon DE and Linux Mint 18 Sarah Cinnamon

  4. #4
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    Re: Can't log into Ubuntu

    I don't know if it is of any importance but when I hit CTL ALT F1 it gives me a welcome to Ubuntu message followed by "No Directory, Login with Home -/"

    The problem I believe is related to the " The disk drive for /media/Data Copy is not ready yet or not present" message which appears every time I boot the computer.
    MB: Asrock Extreme4-M CPU: Intel(R) Core(TM) i7-3770K CPU @3.50GHz Memory: Corsair Low Profile Vengeance 16.00 GB. GC On CPU HD4000 Platform: x86_64 Distribution: Dual Boot -Ubuntu 16.04 Xenial Xerus with Cinnamon DE and Linux Mint 18 Sarah Cinnamon

  5. #5
    Join Date
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    Re: Can't log into Ubuntu

    I should also add that prior to these events login was automatic (I did not have to enter a password)

    Development: I realized the External Drive Ubuntu is trying to find is one I had connected before the current one. I connected it and rebooted. The message "The disk drive for /media/Data Copy is not ready yet or not present" was skipped this time but I still can't login to my account just as guest. Looking in Nautilus I can see the drive listed under "Computer". I tried to eject is and get the message in the screenshot. I also tried the command
    Code:
    umount /media/Data\ Copy
    and get the same message.
    Could resolving this issue solve my problem?

    Beginning to see the light here. I think my fstab is messed up. Attached is a screenshot of FSTAB and I do not see /Home or / indicated but Data Copy is there. Can someone please help me get FSTAB the way it should be?
    Attached Images Attached Images
    Last edited by SuperFreak; July 3rd, 2012 at 03:42 PM.
    MB: Asrock Extreme4-M CPU: Intel(R) Core(TM) i7-3770K CPU @3.50GHz Memory: Corsair Low Profile Vengeance 16.00 GB. GC On CPU HD4000 Platform: x86_64 Distribution: Dual Boot -Ubuntu 16.04 Xenial Xerus with Cinnamon DE and Linux Mint 18 Sarah Cinnamon

  6. #6
    Join Date
    Apr 2007
    Location
    Out in Left Field
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    1,109
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Can't log into Ubuntu

    I restored FSTAB to an earlier version and I am able to boot normally now. My only remaining question is why did backing up files onto an external USB drive alter my FSTAB file?
    Last edited by SuperFreak; July 3rd, 2012 at 11:58 PM.
    MB: Asrock Extreme4-M CPU: Intel(R) Core(TM) i7-3770K CPU @3.50GHz Memory: Corsair Low Profile Vengeance 16.00 GB. GC On CPU HD4000 Platform: x86_64 Distribution: Dual Boot -Ubuntu 16.04 Xenial Xerus with Cinnamon DE and Linux Mint 18 Sarah Cinnamon

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