booting by UEFI?
I think I've done everything reasonable in my firmware to ensure booting by
EFI. I have:
Storage boot option control UEFI only
Other PCI device ROM priority UEFI only
(other options for both are "Legacy only" and "Disabled")
The boot device is currently /dev/sdb which has a GPT partition table, and
its first few partitions are
number size mount point
1 953MB /boot
2 2GB /
3 10GB /usr
11 9GB /home
13 48GB swap
5 953MB unmounted, filesystem="grub2 core.img", flags="bios_grub"
The first four are ext4.
I do recall it was a pain to make d-i keep the GPT table not overwrite it
with an MBR one.
My motherboard is a Gigabyte H170 with 32 GiB RAM and I run Debian 12.8. I
swear I ran a program that showed me EFI boot vars (if they exist) and it
showed nothing. But now I can't remember what that program was. How can I
ensure that I'm actually booted using EFI?
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