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Thread: I think I know how to recover - perhaps someone can comment

  1. #1

    Default I think I know how to recover - perhaps someone can comment

    Hi,

    I installed windows server 2012 and now the grub loader is gone. I think what I need to do is to disable secure boot and then boot to rescue and follow the mbr recovery procedure. Is this correct. Prior to installing windows Opensuse was running fine and I took care to install windows in a different partition. Do I have the recovery process right?

  2. #2
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    Default Re: I think I know how to recover - perhaps someone can comment

    What version of openSUSE
    Tumbleweed_KDE
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  3. #3
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    Default Re: I think I know how to recover - perhaps someone can comment

    On 2014-01-13 15:36, exponent wrote:
    >
    > Hi,
    >
    > I installed windows server 2012 and now the grub loader is gone. I think
    > what I need to do is to disable secure boot and then boot to rescue and
    > follow the mbr recovery procedure. Is this correct. Prior to installing
    > windows Opensuse was running fine and I took care to install windows in
    > a different partition. Do I have the recovery process right?


    Sometimes.

    Where I double boot with Windows, I do not allow grub to install on the
    MBR, not to write its own generic boot code. Instead, grub goes to the
    root partition, and I just change the active partition boot mark.

    Also, it is recommended to install Windows first.


    The reason to not modifying the MBR is that it impedes aplication of
    Windows service packs, when they come. At that time, I restore the boot
    mark to the Windows partition. Boot is happy, it does not see grub, and
    the SP installs fine. Otherwise you get very strange errors.

    Once the SP is installed, I simply change the boot mark again.


    The alternative to this is using Windows bcdedit to choose the system to
    boot, not grub.

    --
    Cheers / Saludos,

    Carlos E. R.
    (from 12.3 x86_64 "Dartmouth" at Telcontar)

  4. #4

    Default Re: I think I know how to recover - perhaps someone can comment

    If I look at boot in system services in windows server 2012 what I see is


    Windows Server 2012 R2 (Cwindows) | Current OS, Default OS


    How do I use BCedit to change the boot options?


    I know the Linux partitions are still there and I would really harte to install again especially if I run into the system not working again. Right now windows boots fine.

  5. #5
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    Default Re: I think I know how to recover - perhaps someone can comment

    That may or may not work. Depends.

    Can you boot to a live Linux DVD or CD?

    If so do that and show us

    fdisk -l
    note that is a lower case L not a one

    Remember that Windows hates all other OS's and does not play nice

  6. #6

    Default Re: I think I know how to recover - perhaps someone can comment

    I have a bootable USB stick that I can run rescue from. This is new territory for me. I'd really be groaning if I had to completely reinstall and got left with only one operating OS.

  7. #7

    Default Re: I think I know how to recover - perhaps someone can comment

    I have a bootable USB stick that I can run rescue from. This is new territory for me. I'd really be groaning if I had to completely reinstall and got left with only one operating OS.

  8. #8
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    Default Re: I think I know how to recover - perhaps someone can comment

    Quote Originally Posted by exponent View Post
    I have a bootable USB stick that I can run rescue from. This is new territory for me. I'd really be groaning if I had to completely reinstall and got left with only one operating OS.
    https://forums.opensuse.org/content....vd-rescue.html
    Tumbleweed_KDE
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  9. #9
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    Default Re: I think I know how to recover - perhaps someone can comment

    On 2014-01-13 16:56, exponent wrote:

    > How do I use BCedit to change the boot options?


    Have a look here:

    http://en.wikipedia.org/wiki/EasyBCD

    The native bcdedit.exe is complicated to use, I never succeeded with it.
    EasyBCD is nice, and works well with W7 and W2008. I have not tried W8.


    But for this to work, you need grub to be installed on the Linux root
    partition, and I guess it is not.

    --
    Cheers / Saludos,

    Carlos E. R.
    (from 12.3 x86_64 "Dartmouth" at Telcontar)

  10. #10

    Default Re: I think I know how to recover - perhaps someone can comment

    Easyboot wants $79.95 with no telephone support and no guarantee. I have to pass on that.

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