Is anyone familiar with how to boot Ubuntu, and make grub use the key-file on
the USB that is plugged into it?
I'm trying to not need to type in the password on the device when it boots, but
still have an encrypted root partition.
If not, how do people keep drives encrypted in production environments when
using Ubuntu? (Could answer this as well, "if so", since this is just my guess
for what production environments use)
(because this is what online searches bring)
I do not mean:
Boot from an encrypted USB.
Decrypt and mount an encrypted volume at boot AFTER typing in the decryption
password for root once already.
Encrypt boot partition as well as root.
Everything I found online was one of the above three things, or is Arch and
doesn't apply to Ubuntu.
I thought "eh, just do it the same way as Arch in boot parameters, as they both
use grub, right?", but that didn't work...
(cryptkey=devID:filesystem:fileLocation cryptdevice=devID:decrypt_root
root=/dev/mapper/decrypt_root => update-grub)
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