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+# SPDX-License-Identifier: MIT-0
+
+# Enroll the TPM2 security chip in the LUKS2 volume, and bind it to PCR 7
+# only. Replace /dev/sdXn by the partition to use (e.g. /dev/sda1).
+sudo systemd-cryptenroll --tpm2-device=auto --tpm2-pcrs=7 /dev/sdXn
+
+# Test: Let's run systemd-cryptsetup to test if this worked.
+sudo /usr/lib/systemd/systemd-cryptsetup attach mytest /dev/sdXn - tpm2-device=auto
+
+# If that worked, let's now add the same line persistently to /etc/crypttab,
+# for the future.
+sudo bash -c 'echo "mytest /dev/sdXn - tpm2-device=auto" >> /etc/crypttab'