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Re: Unencrypted password in EFI mode

From: paul kerdren
Subject: Re: Unencrypted password in EFI mode
Date: Fri, 5 Jun 2020 10:12:12 +0200

Yes, they are the same.
I edit the file /etc/grub.d/01_users to create the grub.cfg file with

my 01_users look like this :
#!/bin/sh -e
cat << EOF
set superusers="root"
export superusers
password root root

This works in BIOS mode but not in EFI mode.

Le jeu. 4 juin 2020 à 16:25, Randy Goldenberg <>
a écrit :

> On Wednesday June 03, 2020, paul kerdren wrote:
> >Hello,
> >
> >I know it's a really bad practice but I would like to understand the
> >differences between BIOS and EFI mode in grub.
> >
> >When I put "password user insecure" in the /boot/grub2/grub.cfg file in
> >BIOS mode, grub recognizes my password and allows me to edit the grub
> >configuration.
> >
> >On the other hand, when I'm in EFI mode (/boot/efi/EFI/centos/grub.cfg),
> >the password doesn't work and I have the punishment delay increasing.
> >The password_pbkdf2 command works correctly.
> Are the contents of /boot/efi/EFI/centos/grub.cfg the same as
> /boot/grub2/grub.cfg?

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