Quick way to check boot mode (UEFI or BIOS)
# test -d /sys/firmware/efi && echo UEFI || echo BIOS
On my system output is
# test -d /sys/firmware/efi && echo UEFI || echo BIOS
BIOS
If output is
UEFI
This bug will impact you.
The default boot setting on CentOS 7/8 is BIOS. So if you haven't
changed that you should be okay.
On 7/31/2020 8:07 PM, Chris wrote:
Is your VM emulating "UEFI Secure Boot" or is it in BIOS emulation
mode? The bug only impacts UEFI Secure Boot on CentOS, but oddly for
the Debian/Ubuntu users it's impacting them if they are in BIOS mode.
-Chris
On Sat, Aug 1, 2020 at 11:46 AM Eric Broch <ebr...@whitehorsetc.com
<mailto:ebr...@whitehorsetc.com>> wrote:
Interesting...
I have a vm with CentOS Linux release 7.8.2003 (Core) with grub2
(pkgs
below) and it booted up.
grub2-tools-minimal-2.02-0.86.el7.centos.x86_64
grub2-tools-extra-2.02-0.86.el7.centos.x86_64
grubby-8.28-26.el7.x86_64
grub2-pc-2.02-0.86.el7.centos.x86_64
grub2-2.02-0.86.el7.centos.x86_64
grub2-common-2.02-0.86.el7.centos.noarch
grub2-pc-modules-2.02-0.86.el7.centos.noarch
grub2-tools-2.02-0.86.el7.centos.x86_64
On 7/31/2020 4:52 PM, Chris wrote:
>
https://arstechnica.com/gadgets/2020/07/red-hat-and-centos-systems-arent-booting-due-to-boothole-patches/
>
>
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