yubikey-luks (0.5.1+29.g5df2b95-1) unstable; urgency=medium To unlock a volume using your Yubikey during startup, you now need to configure a keyscript expclitity. Edit your /etc/crypttab to something like this (add the keyscript part): cryptroot /dev/sda5 none luks,keyscript=/usr/share/yubikey-luks/ykluks-keyscript After changing, make sure to refresh your initramfs: update-initramfs -u Also see /usr/share/doc/yubikey-luks/README.md -- Markus Frosch Wed, 23 Jan 2019 13:09:52 +0100