On 11/6/20 7:41 am, R. G. Newbury wrote:
On 2020-06-09 8:11 p.m.Stephen Morris<samorris@xxxxxxxxxxxxxxx> wrote
if in /etc/default/grub you have the entry GRUB_ENABLE_BLSCFG=true
that inserts a line into the grub processes to use the new BLS
standard,=20
in which case grub2-mkconfig and possibly grubby do nothing until
that=20
entry is set to false. I have always use grub2-mkconfig because I
have=20
never liked what grubby generated, and what BLS generates appears to
be=20
the same as what grubby does, and I found that I had to set that
entry=20
to false for grub2-mkconfig to continue to work.
THANKS FOR THAT, Steve!
I could not get grub2-mkconfig to actually change the grub.cfg file.
Now I know why ( but not why such a dangerously misdescriptive switch
would be hidden away in a default file).
In the past I would just edit the damn file, but the new motherboard
uses EFI, and such hands-on fixing might lead to an undesired result!
If you are booting via uefi with fedora then if you use grub2-mkconfig
to update grub.cfg then you need to run it against
/boot/efi/EFI/fedora/grub.cfg as that is where uefi looks for it,
/boot/grub2/grub.cfg is only used for legacy non-uefi boots which also
require grub2-install to be used to write the grub menus to the legacy
mbr. Uefi doesn't require the mbr updates.
regards,
Steve
Geoff
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