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Re: Setting GRUB 2 default menu entry


From: Andrey Borzenkov
Subject: Re: Setting GRUB 2 default menu entry
Date: Mon, 28 Jan 2013 13:14:35 +0400

В Mon, 28 Jan 2013 10:06:56 +0100
Francesco Turco <address@hidden> пишет:

> On Mon, Jan 28, 2013, at 9:36, Jordan Uggla wrote:
> > Does http://www.gnu.org/software/grub/manual/grub.html#default clarify
> > things for you? Also, I highly recommend that you use a consistent
> > naming scheme with your kernel images, and that that scheme use
> > numbers that aren't spelled out, e.g. "/boot/vmlinuz-3.7.4-gentoo-4"
> > rather than "/boot/vmlinuz-3.7.4-gentoo-fourth" so that grub-mkconfig
> > will sort them by largest version number first, as you probably want.
> 
> I agree that is a good idea to use the naming scheme
> vmlinuz-3.7.4-gentoo-1, vmlinuz-3.7.4-gentoo-2, ... instead of using
> vmlinuz-3.7.4-gentoo-first, vmlinuz-3.7.4-gentoo-second, .... In will
> certainly do that in the future.
> 
> Anyway I may not always need to load the greatest numbered image. For
> example, I may do some mistake in the kernel configuration, and so the
> default GRUB entry should be the previous one in this case.
> 
> But I still don't understand the criterion by which GRUB chooses its
> default entry. Has it something to do which alphanumeric sorting? Or
> last modification time? Or GRUB just picks up the first image it finds?
> 

Unless you explicitly tell it which entry is default it just picks the
first entry in the list.



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