Systemd tool automates LUKS disk unlock using TPM or FIDO tokens

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The systemd-cryptenroll tool allows Linux users to automate unlocking LUKS2-encrypted disks at boot. It replaces manual passphrase entry with hardware-based authentication like TPM2 chips or FIDO2 security keys. This functionality is particularly useful for servers or homelab equipment that must restart automatically after power loss. The tool stores unlock metadata within the LUKS2 volume's JSON token area. Users are advised to maintain their original passphrase and create recovery keys before implementing these automated methods.

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