Re: debian installation issue

[Steve McIntyre <steve@einval.com>]

Joe wrote:
>
>Grub lives in more than one place: most of it is in /boot/grub, but
>there is a first-stage bootloader which calls this. To be honest,
>I don't know for sure where that lives on a GPT disk, on the old
>DOS-type partition it would live at the start of either the whole hard
>drive or the start of a particular partition, chosen during
>installation. I'm guessing it's the same for GPT partitioning.

It's ... complicated. :-)

See

  https://wiki.debian.org/Grub2#UEFI_vs_BIOS_boot

for documentation I've written comparing how GRUB works in BIOS mode
vs. UEFI mode.

-- 
Steve McIntyre, Cambridge, UK.                                steve@einval.com
"We're the technical experts.  We were hired so that management could
 ignore our recommendations and tell us how to do our jobs."  -- Mike Andrews