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Thread: PLEASE HELP I may have ruined my whole system

  1. #1
    Join Date
    Aug 2013
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    12

    PLEASE HELP I may have ruined my whole system

    Okay I will start from the beginning. I needed to gain access to my /usr/ folder so I ran the command

    sudo chmod 600 /usr/

    This is where everything messed up. I now cannot run any programs because I get an error saying

    "Failed to execute child process "exo-open" (Permission denied)""

  2. #2
    Join Date
    Oct 2010
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    Above ground...(for now)
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    761

    Re: PLEASE HELP I may have ruined my whole system

    Maybe putting the permission settings back to what they were originally would fix the problem.
    On my system, /usr looks like this:
    Code:
    drwxr-xr-x  10 root root  4096 2011-02-04 19:26 usr
    So, that would be:
    Code:
    sudo chmod 755 usr
    I hope the solution is that simple.
    Suffering from severe chronic female supervision deficiency syndrome resulting in
    an increasing intolerance of adolescent scatological effluence and PMS induced nefarious diatribe.
    How to: Mark your thread as: [SOLVED]

  3. #3
    Join Date
    Aug 2013
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    Re: PLEASE HELP I may have ruined my whole system

    I am now unable to boot Ubuntu. Plus when I was booted into it I couldn't even open terminal it would return the "Failed to execute child process "exo-open" (Permission denied)"" error

  4. #4
    Join Date
    Jul 2012
    Location
    Oklahoma, USA
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    Re: PLEASE HELP I may have ruined my whole system

    You may need to live boot using a DVD/USB, mount the hard-drive, and fix the permissions from there.
    Who's Awesome? You're Awesome.

  5. #5
    Join Date
    Aug 2013
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    Re: PLEASE HELP I may have ruined my whole system

    How would I go about doing this? I am a newbie

  6. #6
    Join Date
    Oct 2010
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    Re: PLEASE HELP I may have ruined my whole system

    There's something else I didn't notice earlier.
    You wrote that you used the command:
    Code:
    sudo chmod 600 /usr/
    When I ran a similar command on my system, on a directory I named: x, I got an error:
    Code:
    chmod 600 /x/
    
    ~~~ Output ~~~
    
    chmod: cannot access `/x/': No such file or directory
    I'm surprised the command you entered did anything at all.
    So I have no idea what happened to your system when you tried to chmod on /usr/ instead of usr without being embedded in slashes.

    Quote Originally Posted by jack17 View Post
    How would I go about doing this? I am a newbie
    Did you install Ubuntu using a CD/DVD disk, or did you use a thumb drive?
    Last edited by Crusty Old Fart; September 1st, 2013 at 05:54 AM.
    Suffering from severe chronic female supervision deficiency syndrome resulting in
    an increasing intolerance of adolescent scatological effluence and PMS induced nefarious diatribe.
    How to: Mark your thread as: [SOLVED]

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