Code: Select all
# echo "GRUB_ENABLE_CRYPTODISK=y" >>/etc/default/grub
# update-grub
# grub-install /dev/sda
Debian 11 64 bit., legacy BIOS, MBR partition type.
Encrypted partition: openSUSE Tumbleweed, it contains /boot too.
Code: Select all
# echo "GRUB_ENABLE_CRYPTODISK=y" >>/etc/default/grub
# update-grub
# grub-install /dev/sda