# Assuming /dev/sda is the target disk
parted /dev/sda -- mklabel gpt
parted /dev/sda -- mkpart primary ext4 1MiB 100%
mkfs.ext4 /dev/sda1
mount /dev/sda1 /mnt

cryptsetup luksFormat /dev/sda1
cryptsetup open /dev/sda1 root
mkfs.ext4 /dev/mapper/root
mount /dev/mapper/root /mnt

mkdir -p /mnt/etc/nixos
git clone https://git.luke-else.co.uk/luke-else/nixos-config.git /mnt/etc/nixos

nixos-generate-config --root /mnt

nixos-install --flake /mnt/etc/nixos#vm

passwd

reboot

# sudo nixos-rebuild switch --flake ~/nixos-config#vm