Unlocking Your Encrypted ZFS Root with YubiKey on Debian

If you&rsquo;re running an encrypted ZFS root filesystem on Debian and want to&#xA;enhance boot-time security with hardware-backed two-factor authentication, the&#xA; yubikey-zfs-initramfs extension is a robust solution. It introduces a&#xA;YubiKey-based challenge-response mechanism into the initramfs stage, ensuring&#xA;only users with both the correct passphrase and physical key can decrypt…