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Thread: sudo dd if=ChromeOS.img of=/dev/sda bs=4M

  1. #1
    Join Date
    Aug 2008
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    7

    Unhappy sudo dd if=ChromeOS.img of=/dev/sda bs=4M

    Hi

    I was trying to install Vanilla Chromium onto a USB drive, and I typed in the command in the title.. the process completed, then the computer shutdown, and not I get a grub loading error..

    how can I recover from this? Or do I have to reinstall ubuntu.. I don't want to do that.. is there way i can fix it?

    Many Thanks

  2. #2
    Join Date
    May 2007
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    314
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: sudo dd if=ChromeOS.img of=/dev/sda bs=4M

    I presume /dev/sda was the Ubuntu installation drive not a USB one. You've simply wiped it and put Chrome image on it. The only way out would be to reinstall Ubuntu.
    Be careful with dd command in future and choose the proper drive.

  3. #3
    Join Date
    Apr 2007
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    NH USA
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    1,269
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    Ubuntu Development Release

    Re: sudo dd if=ChromeOS.img of=/dev/sda bs=4M

    Quote Originally Posted by pookieman View Post
    Hi

    I was trying to install Vanilla Chromium onto a USB drive, and I typed in the command in the title.. the process completed, then the computer shutdown, and not I get a grub loading error..

    how can I recover from this? Or do I have to reinstall ubuntu.. I don't want to do that.. is there way i can fix it?

    Many Thanks
    It looks like you just over-wrote your primary drive, taking out the MBR. You probably wanted something like /dev/sdb or whatever your USBWhat were you running that dd command from? Your main Linux install?

    Unless someone else sees something I'm overlooking, I'd say you are pretty well hosed, and will have to start from scratch.

  4. #4
    Join Date
    Aug 2008
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    7

    Re: sudo dd if=ChromeOS.img of=/dev/sda bs=4M

    Quote Originally Posted by AlexDudko View Post
    I presume /dev/sda was the Ubuntu installation drive not a USB one. You've simply wiped it and put Chrome image on it. The only way out would be to reinstall Ubuntu.
    Be careful with dd command in future and choose the proper drive.
    Yes basically.. have I completely overwritten, or can I rescue? I was reading about a supergrub utility.

  5. #5
    Join Date
    May 2007
    Beans
    314
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: sudo dd if=ChromeOS.img of=/dev/sda bs=4M

    Quote Originally Posted by pookieman View Post
    Yes basically.. have I completely overwritten, or can I rescue? I was reading about a supergrub utility.
    Unfortunately no rescue is possible only to reinstall.

  6. #6

    Re: sudo dd if=ChromeOS.img of=/dev/sda bs=4M

    Hell, I'll admit doing this to an incorrect target once before. I think everyone is required to have this experience.

    They don't call it "disk destroyer" for nothing!


  7. #7
    Join Date
    Aug 2008
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    7

    Re: sudo dd if=ChromeOS.img of=/dev/sda bs=4M

    Thanks for responses.. I threw in the towel and re-installed.. wasted evening but on the other hand I gained 10Gb disk somehow?


  8. #8
    Join Date
    Feb 2005
    Location
    Melbourne, Australia
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    13,505
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: sudo dd if=ChromeOS.img of=/dev/sda bs=4M

    Quote Originally Posted by pookieman View Post
    Thanks for responses.. I threw in the towel and re-installed.
    Then MARK the thread.
    Regards, David.
    Please use the Forum search and Wiki search for immediate help
    Please mark your thread as Solved when appropriate
    New to technical forums?: How To Ask Questions The Smart Way

  9. #9

    Re: sudo dd if=ChromeOS.img of=/dev/sda bs=4M

    Quote Originally Posted by pookieman View Post
    ...I threw in the towel and re-installed.. wasted evening but on the other hand I gained 10Gb disk somehow?

    I don't consider getting experience "wasted" but it's your story, you
    can tell it any way you like


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