I am trying to encrypt my laptop with an external USB disk. However, every time I boot up grub prompts me with a
'Enter passphrase for $DISK ($UUID):'. This prompt allows me to unlock the disk with the temporary password I have setup. However, it ignores the USB.
/boot partition is not encrypted. I have added the entry to the
Is there any way of getting grub to read the keyfile off the usb, or leave decryption to the Linux boot?