They will unlock in to a password protected system. Unless the junkie who stole your server has an unpatched debian login bug, this won't be much use to them. If they remove the drive or attempt to boot off a USB, the drive is unreadable.
What's the difference when booting off a USB drive? That's been my goto in the past when I forgot my login password; does the TPM only unlock boot devices?
What's the difference when booting off a USB drive? That's been my goto in the past when I forgot my login password; does the TPM only unlock boot devices?