From: "Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>
To: The development of GNU GRUB <grub-devel@gnu.org>
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 [thread overview]
Message-ID: <5420AC43.7060303@gmail.com> (raw)
In-Reply-To: <54208B55.7060100@gmx.fr>
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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
> Grub-devel@gnu.org
> https://lists.gnu.org/mailman/listinfo/grub-devel
>
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next prev parent reply other threads:[~2014-09-22 23:10 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-22 20:49 Having the configuration file embedded into core.img look for the grub partition by its label Arbiel Perlacremaz
2014-09-22 23:09 ` Vladimir 'φ-coder/phcoder' Serbinenko [this message]
2014-09-23 8:11 ` Arbiel Perlacremaz
2014-09-23 16:37 ` Andrei Borzenkov
2014-09-27 15:39 ` Arbiel Perlacremaz
2014-09-27 15:47 ` Andrei Borzenkov
2014-09-27 16:24 ` Arbiel Perlacremaz
2014-09-27 20:00 ` Arbiel Perlacremaz
2014-09-26 19:00 ` Vladimir 'φ-coder/phcoder' Serbinenko
2014-09-26 21:02 ` Arbiel Perlacremaz
2014-09-27 4:37 ` Andrei Borzenkov
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