# Disable access to emergency root/debug shell upon wrong password entered. # https://insinuator.net/2025/07/insecure-boot-injecting-initramfs-from-a-debug-shell/ # Debian #GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT panic=0" # Fedora #GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT rd.shell=0 rd.emergency=halt"