This procedure was tested on Omarchy with UEFI/Limine, a Btrfs root filesystem on LUKS, and a wired Realtek NIC. It uses Dropbear in the initramfs so SSH is available before the encrypted root is mounted.
Replace every value in <ANGLE_BRACKETS> before running a command. Do not
publish a private key, disk passphrase, hostname, IP address, MAC address, or
unredacted command history.