On 4/26/23 22:47, Jeffrey Walton wrote:
I just dnf-upgraded my last system from F37 to F38. One of the
post-upgrade task is "Update GRUB bootloader on BIOS systems"
(https://docs.fedoraproject.org/en-US/quick-docs/dnf-system-upgrade/):
Systems with the BIOS firmware have the GRUB RPM packages updated.
However, the installed or embedded bootloader is never updated
automatically. It is a good idea to update it between Fedora release
versions.
I have a system that is is using BIOS, and it not using UEFI or
SecureBoot (though UEFI is available):
When I run the command:
$ sudo mount | grep "/boot "
/dev/mmcblk0p2 on /boot type ext4 (rw,relatime)
If it was UEFI, there would be a /boot/efi mount as well.
Do I install grub2 on /dev/mmcblk0 or /dev/mmcblk0p2? I think it is
the former, but I want to make sure. That is, is this correct:
sudo grub2-install /dev/mmcblk0
Yes.
(I have open questions about systems that claim both BIOS and UEFI,
but I have not been able to find answers. If I need to back up a bit,
then please say so).
Not sure what you mean by that. The system can support both options,
but only one will be active at a time.
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