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Thread: Stuck computer

  1. #1
    Join Date
    Nov 2013
    Beans
    6

    Exclamation Stuck computer

    Hi everyone,
    I hope you could help...
    My wife was trying to install brushes on GIMP so she had to access the System Files. She was trying to unlock ROOT .
    The first command she (read in Ask Ubuntu that had to be entered) in was :
    -"press ALT+F2"
    - type in the command "gksu nautilus" and press ENTER
    Howevere the ROOT kept on staying locked.
    So the next one she tried was "sudo passwd"- this is where the Hard disc started getting filled up by its 45g space. Afterwards whatever she was trying to do it just kept on doing the same thing, saying that there is a an Error in copying a file that I can't remember the name of.
    So basicly now when we switch it on -this is what comes on the screen:
    1:! Mark
    THE SYSTEM IS RUNNING IN LOW-GRAPHICS MODE

    Your screen, graphics card, and input device settings could not be detected correctly. You will need to configure these yourself.
    ^click OK

    2:Next screen:
    WHAT WOULD YOU LIKE TO DO?
    -Run in low-graphic mode fore just one session
    -Reconfigure graphics
    -Troubleshoot the error
    -Exit to console login

    -Cancel ^ OK (options at the bottom right corner)

    AND WHATEVER WE CHOOSE IT TAKES US TO AN OLD SCHOOL DARK PAGE WITH SIGNS LIKE:
    *Stopping system V runlevel compatibility
    .........

    So from here unless we switch if off from its main button nothing else happens or at least we dont know what to do.
    Please let me know what we need to do in order to bring it back to life!

  2. #2
    Join Date
    Feb 2009
    Location
    Dallas, TX
    Beans
    7,232
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Stuck computer

    Hi luxlumini. Welcome to the forum

    Try pressing Ctrl+Alt+F1 to get into text mode. Then login as the normal user (the one that can run sudo), and run this commands to free some space:
    Code:
    sudo apt-get clean
    
    sudo apt-get autoclean
    
    sudo apt-get autoremove
    Then reboot by runing:
    Code:
    sudo reboot
    Hope that helps. Let us know how it went.
    Regards.

    BTW: you don't need to unlock root to run a graphic application as super user, instead of gksu, use the command gksudo, which is just like sudo for GUI apps.

  3. #3
    Join Date
    Nov 2013
    Beans
    6

    Thumbs up Re: Stuck computer

    Hi and thanks for the fast reply!

    Just tried it:
    Control+Alt+F1 did work and we logged in as user.
    Unfortunately the three sudo apt... options didn't bring much luck.
    It keep saying /usr/lib/sudo/sudoers.so must only be writable by owner
    sudo:fatal error, unable to load plug-ins


    Please let us know if anything else comes to mind!

    And thanks for welcoming too!!

  4. #4
    Join Date
    Feb 2009
    Location
    Dallas, TX
    Beans
    7,232
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Stuck computer

    It looks like your user lost the ability to 'sudo'.

    Try this:

    Boot into recovery mode. You'll boot into text mode and presented with a menu. Select 'root prompt', and you'll be on a text mode terminal session with a root prompt (#).

    There execute the commands without sudo (you are already root):
    Code:
    apt-get clean
    
    apt-get autoclean
    
    apt-get autoremove
    
    reboot
    Let us know how it goes.
    Regards.

  5. #5
    Join Date
    Nov 2013
    Beans
    6

    Re: Stuck computer

    Hi again,

    it is not really working out,
    we can only switch on and off from the main button,as soon as we switch on it says "press enter to boot the selected OS, "e" to edit the commands before booting or "c"for command line.
    But when we press Enter again it says the "System is running in low-graphics mode"
    And again that closed circle I described earlier...
    Sorry if I sound a bit.silly-just no experience with such issues before.

  6. #6
    Join Date
    Feb 2009
    Location
    Dallas, TX
    Beans
    7,232
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Stuck computer

    Hold the shift key while the computer is powering on, so you get into the grub menu instead of booting the OS.

    Here's a related video tutorial that describes how to get there.

    Regards.

  7. #7
    Join Date
    Nov 2013
    Beans
    6

    Re: Stuck computer

    In fact is there no more simple way, like re-installing the program(i am not quite sure how that can be done though) that would keep all the files that we have on it already?

  8. #8
    Join Date
    Feb 2009
    Location
    Dallas, TX
    Beans
    7,232
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Stuck computer

    So far, I've been trying to clean/remove some files, in case that is the reason of not able to boot in full resolution.

    At this moment, I don't know the extend of the problem beyond:
    • Full disk.
    • Lost sudo.
    • Set password to root.

    Also I would guess that when you run 'gksu', it may have change ownership to some files on your home directory, but you need first to have sudo working to fix that.

    In order to release some space on your disk you need either:
    • Use sudo, or
    • Boot into recovery mode, and run as root.


    An alternative would be to fix sudo first. If you want to attempt this, you would also need to boot into recovery mode. Here's how to do it: Fix Broken sudo.

    I hope I could give you more pointers, but this is the process that I would follow to repair my own computer.
    Regards.

  9. #9
    Join Date
    Nov 2013
    Beans
    6

    Re: Stuck computer

    Hi,
    So we managed to get to the root prompt and did all the commands(before that goes to recovery mode) but nothing happens -again it restarts itself and this time ony it gives option to keep on back -up or default configuration; but whatever we choose it stays frozen...

  10. #10
    Join Date
    Nov 2013
    Beans
    6

    Re: Stuck computer

    Just saw you reply-will give it a try, thanks!

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