On 12/26/2014 05:13 PM, Chris Murphy wrote:
On Thu, Dec 25, 2014 at 9:15 PM, Tim <ignored_mailbox@xxxxxxxxxxxx> wrote:
On Fri, 2014-12-26 at 09:04 +1100, Stephen Morris wrote:
Thanks for the reply Tim. F21 is still using /etc/default/grub and I
have GRUB_DEFAULT=saved in that file already, but it makes no
difference.
It should mean "boot the same as last time," so whenever you pick an
entry from the list, the same one gets used, each boot, until you pick
differently.
That behavior also requires GRUB_SAVEDEFAULT='true'. By itself,
GRUB_DEFAULT=saved merely causes grubenv to be consulted for what to
boot rather than it being statically defined in the grub.cfg.
There may need to be another keyword, elsewhere, to make each selection
get saved (GRUB_DEFAULT=saved just says to use it), but I'm not familiar
enough with the new GRUB.
Alternatively, changed =saved to point to a specific kernel.
Look at the grub.cfg and find the menuentry you want:
menuentry 'Fedora, with Linux 3.17.4-301.fc21.x86_64' --class fedora
--class gnu-linux --class gnu --class os --unrestricted
$menuentry_id_option
'gnulinux-3.17.4-301.fc21.x86_64-advanced-f3332d09-65f9-48c5-8539-c2b9ec8c75b4'
{
And copy-paste the last section, using it in this command:
grub2-set-default
'gnulinux-3.17.4-301.fc21.x86_64-advanced-f3332d09-65f9-48c5-8539-c2b9ec8c75b4'
Or set it as GRUB_DEFAULT= in /etc/default/grub and the make a new
grub.cfg with grub2-mkconfig -o /boot/grub2/grub.cfg
You need to study the manual, come back to the list with any questions
about things you can't understand.
It might be helpful but I see it mainly targeted at developers who are
boot and OS install oriented. It's not really an end user manual, and
grub isn't really meant for interaction by users.
Thanks for your response Chris, the only problem with that is that
command is needed to be issued every time the kernel is upgraded. What I
am looking for is a method whereby, if with the next kernel upgrade,
there is an upgrade to the debug kernel and an upgrade to the non-debug
kernel, grub will select the non-debug kernel automatically rather than
the debug kernel as seems to be happening with the F21 upgrade.
regards,
Steve
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