grub2 efi

[Patrick Dupre]

Hello,

After an update of the kernel, the file 
/boot/efi/EFI/fedora/grub.cfg
has not been updated.
I had to run

grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg
Please not that I have
/dev/sdb1                         766480    18068    748412   3% /boot/efi

Is it because the boot is on sdb?
Should I run?
grub2-install /dev/sdb

I also had to run

grubby --set-default-index=0
(it was set at 1).

Thank.

===========================================================================
 Patrick DUPRÉ                                 | | email: [e-mail]
 Laboratoire interdisciplinaire Carnot de Bourgogne
 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE
 Tel: [phone]
===========================================================================

[Richard Shaw]

On Wed, Feb 27, 2019 at 3:44 AM Patrick Dupre  wrote:
> Hello,
>
> After an update of the kernel, the file
> /boot/efi/EFI/fedora/grub.cfg
> has not been updated.

This shouldn't happen if you did an EFI install but I did a conversion and
my grub.cfg was not being updated. It turned out to be a symlink that had
to be updated in /etc...

# ll /etc/grub2.cfg
lrwxrwxrwx. 1 root root 31 Dec 17 12:48 /etc/grub2.cfg ->
../boot/efi/EFI/fedora/grub.cfg

Thanks,
Richard

[Richard Shaw]

On Wed, Feb 27, 2019 at 1:15 PM Patrick Dupre  wrote:
> Hello,
>
> Are you sure that it is correct?
> On another machine, I have:
> /etc/grub2.cfg -> ../boot/grub2/grub.cfg
> and
> /etc/grub2-efi.cfg -> ../boot/efi/EFI/fedora/grub.cfg

Ok, you may be right... Looking at my wife's laptop which I know installed
as EFI on the front end:

# ll /etc/grub*
lrwxrwxrwx. 1 root root   22 Oct  4 16:19 /etc/grub2.cfg ->
../boot/grub2/grub.cfg
lrwxrwxrwx. 1 root root   31 Oct  4 16:18 /etc/grub2-efi.cfg ->
../boot/efi/EFI/fedora/grub.cfg

She has both (strange), however, on my desktop which I converted from BIOS
to EFI everything is working as it should.

Thanks,
Richard

[Tom H]

On Wed, Feb 27, 2019 at 10:44 AM Patrick Dupre  wrote:
> After an update of the kernel, the file
> /boot/efi/EFI/fedora/grub.cfg
> has not been updated.
>
> I had to run
>
> grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg

You need to have a "/etc/grub2-efi.cfg to
../boot/efi/EFI/fedora/grub.cfg" symlink for
"/boot/efi/EFI/fedora/grub.cfg" to be updated because
"/usr/sbin/new-kernel-pkg" has

grub2EfiConfig=$(readlink -f /etc/grub2-efi.cfg 2>/dev/null)
...
    if [ -n "$cfgGrub2Efi" ]; then
...
        ARGS="--grub2 -c $grub2EfiConfig --efi \
                --add-kernel=$kernelImage $DEVTREE $INITRD \
                --copy-default --title "$title$debugtitle" \
                ${mbkernel:+--add-multiboot="$mbkernel"} \
                ${mbargs:+--mbargs="$mbargs"} \
                --args="root=$rootdevice $kernargs $debugargs" \
                --remove-kernel="TITLE=$title$debugtitle""
        rungrubby --debug ${ARGS}
        rungrubby ${ARGS} $makedefault
...
    fi