QEMU Guest Base NixOS Config

configuration.nix

{ config, pkgs, ... }:

{
  imports =
    [
      ./hardware-configuration.nix
    ];

  # Use the GRUB 2 boot loader.
  boot.loader.grub.enable = true;
  boot.loader.grub.version = 2;
  boot.loader.grub.device = "/dev/sda";

  networking.hostName = "nixos"; # Define your hostname.

  # Set your time zone.
  time.timeZone = "Etc/UTC";

  # System Applications
  environment.systemPackages = with pkgs; [
    neovim
  ];

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;
  services.openssh.passwordAuthentication = false;

  users.extraUsers.USERNAME_HERE = {
    isNormalUser = true;
    description = "NAME HERE";
    extraGroups = [ "wheel" ];
    openssh.authorizedKeys.keys = [
      "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKj/WUfgM9jBsUkKy9DYV5gaYDeCbqMAT/bojdI3exE9Br71BXtRBXKGlg1HiHhFYenCWGwwfx1dEPGhLAuWJI4= [email protected]"
    ];
  };

  system.stateVersion = "17.09";
}

install.sh

# Disks: BIOS BOOT partition (ef02?): 16 MiB, EFI System (ef00): 496 MiB, Linux filesystem: Rest
gdisk /dev/sda
mkfs.btrfs -L nixos -f /dev/sda3
mkfs.vfat -n BOOT /dev/sda2

mount -t btrfs -o noatime,discard,ssd,autodefrag,compress=lzo,space_cache /dev/sda3 /mnt/
btrfs subvolume create /mnt/root
umount /mnt
mount -t btrfs -o noatime,discard,ssd,autodefrag,compress=lzo,space_cache,subvol=root /dev/sda3 /mnt/

btrfs subvolume create /mnt/var
btrfs subvolume create /mnt/home
btrfs subvolume create /mnt/tmp

mkdir /mnt/boot
mount /dev/sda2 /mnt/boot/

# Generate Stock Config
nixos-generate-config --root /mnt/

# Setup Actual Config (See Below)
vim /mnt/etc/nixos/configuration.nix

# Do Install
nixos-install  --root /mnt