I am on archlinux. I know of a way to reset the sudo password using the GRUB menu:
https://linuxconfig.org/recover-reset-forgotten-linux-root-password
Is there a way to disable GRUB showing up on booting the computer? Or even protecting it by a password?
I tried reducing the amount of time the GRUB menu is displayed during boot, but it is still possible to enter it if the right button is pressed.
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