I rule Clueless Mod as well. To be fair, they're usually doing a very good job in that community.
I've used a Dropbear SSH server in the initramfs for a while to unlock my server:
- https://wiki.archlinux.org/title/Dm-crypt/Specialties#Remote_unlocking_of_root_(or_other)_partition
- https://wiki.ubuntuusers.de/Verschl%C3%BCsseltes_System_via_SSH_freischalten/ (German)
Other possibilities include using the TPM module, a USB flash drive with a keyfile on it... A KVM / remote management module which is part of server and enterprise hardware anyway...
The latter is probably the easiest and most reliable solution.
There's good use-cases for encryption on servers. Especially if other people have physical access to the location. Or it's at home and a robber could steal it. Or you'd need a kill-switch to just turn it off and the encryption at rest kicks in... You don't need to overwrite harddisk several times on replacement, or whip out the power tools to drill holes in it once it's e-waste. And I have a lot of personal data on my server. Emails, my phone and laptop sync to it so there's all my private photos, scans of paperwork and half of my life stored on the NAS. So of course I'm going to protect that. And of course it's related to selfhosting because we have all kinds of sensitive information stored on selfhosted servers.

