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Is there a Grub command used from a Grub boot disk to determine where Grub in the MBR of an existing system is expecting the root partition to be located?
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- 06-27-2009 #1Just Joined!
- Join Date
- Apr 2009
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- 1
Grub, which partition of many did it use?
Is there a Grub command used from a Grub boot disk to determine where Grub in the MBR of an existing system is expecting the root partition to be located?
Example:
A computer with numerous multiboot operating systems fails to boot and the new administrator does not know which menu.list on the multiple partitions is to be read by Grub. Is there a Grub command that will specifically indicate which partition is the root partition used by Grub that is in the existing system's MBR?
From my experience installing multiple linux distos, each one created its own menu.lst in its own partition and placed Grub in the MBR pointing to the newest installation's partition. One can use Grub commands to setup Grub's root partition, but can one read what it is set to on an existing system?
I wrote this question several different ways in case my question is as confusing to comprehend as it was for me to write.
Thanks,
Homerun
- 06-27-2009 #2
uhu
I have had a simmilar prioblem with uhu (a hungarian linux) I the key is to create a boot floppy im still waiting on my ide cable but i recon thats you best bet.
- 06-28-2009 #3Linux User
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- Dec 2007
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- Idaho USA
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- 351
I do not know of a grub command but if you can boot with a live cd and run program below , will tell much. You will have to figure out just how to run program from live cd, that is beyond my understanding.
boot_info_script29.sh
SourceForge.net: Boot Info Script: bootinfoscript Project: Platform Download
You may want to look into using a dedicated boot partition and install grub onto root of each distos and not mess with the MBR.


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