# Partition
fdisk /dev/sda

# Create file system, activate swap
mkfs.ext4 -L nixos /dev/sda1
mkswap -L swap /dev/sda2
swapon /dev/sda2

# Mount root FS
mount /dev/disk/by-label/nixos /mnt

# Generate initial configuration, edit
nixos-generate-config --root /mnt
nano /mnt/etc/nixos/configuration.nix

# Start the installation
nixos-install

# Reboot
reboot