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Re: Having the configuration file embedded into core.img look for the gr

From: Vladimir 'φ-coder/phcoder' Serbinenko
Subject: Re: Having the configuration file embedded into core.img look for the grub partition by its label
Date: Tue, 23 Sep 2014 01:09:55 +0200
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On 22.09.2014 22:49, Arbiel Perlacremaz wrote:
> Hi
> A way I'm using to avoid any Window's reinstallation to overwrite GRUB
> in a multiboot environment is to install the later on the MBR of a USB
> key. That way, when booting with no key pluged, the PC boots into
> Windows and when booting with the key pluged, the PC boots according to
> the choice of the user in the grub menu's.
> I do locate the grub.cfg file in a partition of the internal hard drive.
> In such a situation, grub-install embeddes a config file which reads
> something like
>     search.fs_uuid 367C9BBD7C9B75F9 root hd0,msdos1
>     set prefix=($root)'/'
> This is great.
> However, any undesired modification by any piece of software of the
> partition's uuid will prevent GRUB to find it and lead to a boot
> failure. As the Windows partition is less prone to such modifications as
> Linux partitions, I do locate the grub.cfg file in that Windows
> partition. However it would be more straightforward to locate the file
> into a Linux partition, and to have grub search this partition by its label.
> How could this be done ? If this can't presently be done, can it be
> included in a future grub release ?
use --boot-directory to place all files on usb stick and make it load
any other grub.cfg you might want.
> Regards
> Arbiel
> _______________________________________________
> Grub-devel mailing list
> address@hidden

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