12 files changed, 772 insertions, 0 deletions
diff --git a/hosts/common/global/default.nix b/hosts/common/global/default.nix
new file mode 100644
index 0000000..3f33d55
--- /dev/null
+++ b/hosts/common/global/default.nix
@@ -0,0 +1,174 @@
+# This holds configuration common across hosts
+{
+  inputs,
+  outputs,
+  lib,
+  config,
+  pkgs,
+  ...
+}: {
+  # You can import other NixOS modules here
+  imports = [
+    inputs.home-manager.nixosModules.home-manager
+    inputs.impermanence.nixosModules.impermanence
+    ./sops.nix
+  ];
+
+  #home-manager.useGlobalPkgs = true;
+  home-manager.backupFileExtension = "backup";
+  home-manager.extraSpecialArgs = {
+    inherit inputs outputs;
+  };
+
+  nixpkgs = {
+    # You can add overlays here
+    overlays = [
+      # Add overlays your own flake exports (from overlays and pkgs dir):
+      outputs.overlays.additions
+      # outputs.overlays.modifications
+
+      outputs.overlays.stable-packages
+
+      # You can also add overlays exported from other flakes:
+      # neovim-nightly-overlay.overlays.default
+
+      # Or define it inline, for example:
+      # (final: prev: {
+      #   hi = final.hello.overrideAttrs (oldAttrs: {
+      #     patches = [ ./change-hello-to-hi.patch ];
+      #   });
+      # })
+    ];
+    config = {
+      allowUnfree = true;
+    };
+  };
+
+  nix = let
+    flakeInputs = lib.filterAttrs (_: lib.isType "flake") inputs;
+  in {
+    settings = {
+      # Enable flakes and new 'nix' command
+      experimental-features = "nix-command flakes ca-derivations";
+      # Opinionated: disable global registry
+      flake-registry = "";
+      # Workaround for https://github.com/NixOS/nix/issues/9574
+      nix-path = config.nix.nixPath;
+    };
+    gc = {
+      automatic = true;
+      dates = "daily";
+      options = "--delete-older-than 7d";
+    };
+    # Opinionated: disable channels
+    channel.enable = false;
+
+    # Opinionated: make flake registry and nix path match flake inputs
+    registry = lib.mapAttrs (_: flake: {inherit flake;}) flakeInputs;
+    nixPath = lib.mapAttrsToList (n: _: "${n}=flake:${n}") flakeInputs;
+  };
+
+  time.timeZone = "America/Los_Angeles";
+
+  i18n.defaultLocale = "en_US.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "emacs2";
+  };
+
+  programs = {
+    sway.enable = true;
+    zsh.enable = true;
+    git.enable = true;
+
+    fuse.userAllowOther = true;
+  };
+
+  users.mutableUsers = false;
+
+  users.users.sadbeast = {
+    hashedPasswordFile = config.sops.secrets.sadbeast-password.path;
+    isNormalUser = true;
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINGpEusv/bS34Q1JQxZXikdcwnq1vToz2d+HgV+E8NRX"
+    ];
+
+    extraGroups = ["wheel" "audio" "docker"];
+    shell = pkgs.zsh;
+    packages = [pkgs.home-manager];
+  };
+
+  sops.secrets.sadbeast-password = {
+    sopsFile = ../secrets.yaml;
+    neededForUsers = true;
+  };
+
+  home-manager.users.sadbeast = import ../../../home/sadbeast/${config.networking.hostName}.nix;
+
+  # This setups a SSH server. Very important if you're setting up a headless system.
+  # Feel free to remove if you don't need it.
+  services = {
+    avahi = {
+      enable = true;
+      nssmdns4 = true;
+      openFirewall = true;
+    };
+
+    openssh = {
+      enable = true;
+      settings = {
+        # Opinionated: forbid root login through SSH.
+        PermitRootLogin = "no";
+        # Opinionated: use keys only.
+        # Remove if you want to SSH using passwords
+        PasswordAuthentication = false;
+      };
+    };
+
+    pipewire = {
+      enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = true;
+      pulse.enable = true;
+    };
+
+    printing.enable = true;
+  };
+  security = {
+    polkit.enable = true;
+    # rtkit is optional but recommended
+    rtkit.enable = true;
+    sudo.wheelNeedsPassword = false;
+
+    pam.services = {
+      swaylock = {};
+    };
+  };
+
+  # environment.persistence."/persistent" = {
+  #   hideMounts = true;
+  #   directories = [
+  #     "/var/log"
+  #     "/var/lib/nixos"
+  #     "/var/lib/systemd"
+  #   ];
+  #   files = [
+  #     "/etc/machine-id"
+  #     "/var/lib/sops-nix/keys.txt"
+  #   ];
+  # };
+
+  # system.activationScripts.persistent-dirs.text = let
+  #   mkHomePersist = user:
+  #     lib.optionalString user.createHome ''
+  #       mkdir -p /persistent/${user.home}
+  #       chown ${user.name}:${user.group} /persistent/${user.home}
+  #       chmod ${user.homeMode} /persistent/${user.home}
+  #     '';
+  #   users = lib.attrValues config.users.users;
+  # in
+  #   lib.concatLines (map mkHomePersist users);
+
+  # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
+  system.stateVersion = "24.05";
+}
diff --git a/hosts/common/global/sops.nix b/hosts/common/global/sops.nix
new file mode 100644
index 0000000..9d1d42b
--- /dev/null
+++ b/hosts/common/global/sops.nix
@@ -0,0 +1,17 @@
+{
+  inputs,
+  lib,
+  config,
+  ...
+}: {
+  imports = [inputs.sops-nix.nixosModules.sops];
+
+  sops = {
+    age = {
+      #keyFile = "/persistent/var/lib/sops-nix/keys.txt";
+      keyFile = "/var/lib/sops-nix/keys.txt";
+      sshKeyPaths = [];
+    };
+    gnupg.sshKeyPaths = [];
+  };
+}
diff --git a/hosts/common/optional/wireless.nix b/hosts/common/optional/wireless.nix
new file mode 100644
index 0000000..ce66419
--- /dev/null
+++ b/hosts/common/optional/wireless.nix
@@ -0,0 +1,35 @@
+{config, ...}: {
+  # Wireless secrets stored through sops
+  sops.secrets.wireless = {
+    sopsFile = ../secrets.yaml;
+    neededForUsers = true;
+  };
+
+  networking.wireless = {
+    enable = true;
+    fallbackToWPA2 = false;
+
+    # Declarative
+    secretsFile = config.sops.secrets.wireless.path;
+    networks = {
+      "Black Vulture" = {
+        pskRaw = "ext:home_psk";
+      };
+    };
+
+    # Imperative
+    allowAuxiliaryImperativeNetworks = true;
+    userControlled = {
+      enable = true;
+      group = "network";
+    };
+    extraConfig = ''
+      update_config=1
+    '';
+  };
+
+  # Ensure group exists
+  users.groups.network = {};
+
+  systemd.services.wpa_supplicant.preStart = "touch /etc/wpa_supplicant.conf";
+}
diff --git a/hosts/common/secrets.yaml b/hosts/common/secrets.yaml
new file mode 100644
index 0000000..d0dc065
--- /dev/null
+++ b/hosts/common/secrets.yaml
@@ -0,0 +1,50 @@
+sadbeast-password: ENC[AES256_GCM,data:Oy3x2JbsX/iTHSYd//sScEfpK2AcW9mfAD/jHR1zymkZ/hMgrK/pfzWiCiLSrCoV38lcaBsFHdv80Bf7TRhYkUQZ6F6EPtaVYg==,iv:/cEQPob8z5fzsUIo1unv7zT8h2MsdKMTVBxnSMlCgaM=,tag:afhjGiTXdPjiZVpzAKUvwA==,type:str]
+work-password: ENC[AES256_GCM,data:6gcVp0kW+6sHg/9KxqjtnGa6ycfSitlAAAzgc2teE2mmgh9DBfP+0IiTGk0XrHjLZCrGCa/zyrIDKq3jdXE+E42laH7H68SrpA==,iv:LvRc7Uj5MJ3RMxIbp5s2U5qx50RLKe6o8mZSqwbrktk=,tag:ZpIaOfTWtt/6w93O/B2drw==,type:str]
+wireless: ENC[AES256_GCM,data:aeetnjjKGbt0wudRuIY5ruemnxlhm5Iw808G5D9BO1dTYi0EbA7JrXHz3wXh737WsPMOXL0S9NaeRH4w,iv:NIoIJ6CjXWGesoEraRoSH2hmF2JpRvpV8fCpwNi06/c=,tag:/aS84d4H0jEHCBZd/CCOCg==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age16qcn9298rk3eav38442zw2ejhqac6uvdj0m86qf4ggnjgug8efgsp9lwcd
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBndG9RVWpCZXlsanhTbUky
+            N1drL1RlZVpZbElCaDljVWx6ZG9Vc3JsbTBRCk0rclJkUCtzdVF5NDdKTFRsamZR
+            UXpleTFWcU9CWlRyL0JLVVJCNnNzL2MKLS0tIHNISSsvTllQaFZ5dGk2VTJ0Vkxq
+            enh2dmxhcDgyNjlKRDFRZnlWTndYZjgK8aRkrdMx+SaZBnc2HFVdmwGm8K5T19Aa
+            UsoeqXyCPA1rxUFA6eCzy9y9sst/susfkwgRwFucP9W8lE3+kglMNg==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1hls0h26tcls67ukcpt7e0ztua8mwzheaqkuuwl4anv8zstq8regqd7nqv9
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBPa1RucTA0UnVSQkhtdE9P
+            c2wzS01ucWN5M3A2QjRYZ1h4Y00wSjJvUkJjCktGck9JRFVYcGQyQ0plQ1B6dDNU
+            Zit2MmpDRExTU1NwR0pxc0dyaXdJUjAKLS0tIGE5YXFoRW1MU2VyL2N3ZGFmQSti
+            dFAvNEtTYlgzMUJZQjhZK3VvWGNvTWsKzafclExVkycuEnq5lsloVYSpUd+1SfQS
+            rj5xDJV8E37+q7lsizRhKMtjJNv/raeLXicsBwL2vmnY6RoYsPSfCw==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1dg0dxg6nf5rm05py3da3yz8tkg7xtgustuehxwn37cm8mdrf93ysn9n622
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSArVEZZaXQ0TjU1RFVZMnQr
+            MWQzbXEyV25RZmhVRFZlUzdjamNYR2hWcjBZCkRSSWMrSVpVV3pETkJUY1AyZTRZ
+            SVZkZDhnMkhaUUxWYklTdUszVlM2VHMKLS0tIFNrL0crZExQV3p2ZGxScmo1aXlK
+            Y3BLSkFyVkpUalRjSkxHMFpLVTJabTAKW2ydqX5ZulhSyiFCaNW3rMFncNBGllZU
+            v2HET4US1eUzT8suMWzfhjm7GA6D7KD3pJICglhtumk9sihRL3TrQg==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1a6k6lwndk7w5ck3w8vydw72af3q8appm6jyxj7amwp6fmqnylywsy7ay0e
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBUeFlOb093ekpDanBiZEl0
+            TGo4T2w4aHk4Zjl6eUdrS0diQzBWM1ltUDN3ClpVemlBN1YvVmNuZFlGWEVhSktv
+            SHNOZFBzWm5DTzJyNEhiSVRTampjR0UKLS0tIFFVODY0L1h0bThIclgxRnhVZmtk
+            Njl4U3h2UmZUOVhnQ0lqb3NnbUcwME0KfEhBK4MnSGDwQZYztvWKl5k4zRZD+kDT
+            t2yCzytfW3wcWmnqnbtBqFGFiZhtBaN1GhlJhHJY16JClJ/c8dhQ6g==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2024-09-17T23:15:06Z"
+    mac: ENC[AES256_GCM,data:ojX6Ec9XP2MMnBQUkxlvmJYL+q9RGgwNZbtu7HObbXKXwozk68r//A2BwMFILcuFaSi1y1TOfgs1xdSr8wZPqLsGxLLSkruhmNnjO2fbYPYc33FW4OYoloTFeGZuL7Z1RGXUwDDZ59nqzH8DwKqfAmorJ2opyWS/igmEf1plWHQ=,iv:0+za47Ga2yfPcOlV4a8WniQ4wQma+k0+xqFqWvDXdGQ=,tag:Yoz3TvK7QtqwgZMVLJweoA==,type:str]
+    pgp: []
+    unencrypted_suffix: _unencrypted
+    version: 3.9.0
diff --git a/hosts/joshua/default.nix b/hosts/joshua/default.nix
new file mode 100644
index 0000000..f2cdd3a
--- /dev/null
+++ b/hosts/joshua/default.nix
@@ -0,0 +1,18 @@
+{
+  imports = [
+    ./hardware-configuration.nix
+
+    ../common/global
+  ];
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "joshua";
+
+  sound.enable = true;
+
+  # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
+  system.stateVersion = "24.05";
+}
diff --git a/hosts/joshua/hardware-configuration.nix b/hosts/joshua/hardware-configuration.nix
new file mode 100644
index 0000000..fd53e13
--- /dev/null
+++ b/hosts/joshua/hardware-configuration.nix
@@ -0,0 +1,98 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = [];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/32a45644-86e5-42c0-96e9-343e8078349e";
+    fsType = "btrfs";
+    options = ["subvol=root" "noatime"];
+  };
+
+  # Note `lib.mkBefore` is used instead of `lib.mkAfter` here.
+  #boot.initrd.postDeviceCommands = pkgs.lib.mkBefore ''
+  #  mkdir -p /mnt
+
+  #  # We first mount the btrfs root to /mnt
+  #  # so we can manipulate btrfs subvolumes.
+  #  mount -o subvol=/ /dev/mapper/enc /mnt
+
+  #  # While we're tempted to just delete /root and create
+  #  # a new snapshot from /root-blank, /root is already
+  #  # populated at this point with a number of subvolumes,
+  #  # which makes `btrfs subvolume delete` fail.
+  #  # So, we remove them first.
+  #  #
+  #  # /root contains subvolumes:
+  #  # - /root/var/lib/portables
+  #  # - /root/var/lib/machines
+  #  #
+  #  # I suspect these are related to systemd-nspawn, but
+  #  # since I don't use it I'm not 100% sure.
+  #  # Anyhow, deleting these subvolumes hasn't resulted
+  #  # in any issues so far, except for fairly
+  #  # benign-looking errors from systemd-tmpfiles.
+  #  btrfs subvolume list -o /mnt/root |
+  #  cut -f9 -d' ' |
+  #  while read subvolume; do
+  #    echo "deleting /$subvolume subvolume..."
+  #    btrfs subvolume delete "/mnt/$subvolume"
+  #  done &&
+  #  echo "deleting /root subvolume..." &&
+  #  btrfs subvolume delete /mnt/root
+
+  #  echo "restoring blank /root subvolume..."
+  #  btrfs subvolume snapshot /mnt/root-blank /mnt/root
+
+  #  # Once we're done rolling back to a blank snapshot,
+  #  # we can unmount /mnt and continue on the boot process.
+  #  umount /mnt
+  #'';
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/32a45644-86e5-42c0-96e9-343e8078349e";
+    fsType = "btrfs";
+    options = ["subvol=nix" "noatime"];
+  };
+
+  fileSystems."/persistent" = {
+    device = "/dev/disk/by-uuid/32a45644-86e5-42c0-96e9-343e8078349e";
+    fsType = "btrfs";
+    neededForBoot = true;
+    options = ["subvol=persist" "noatime"];
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/323A-5741";
+    fsType = "vfat";
+    options = ["fmask=0022" "dmask=0022"];
+  };
+
+  swapDevices = [
+    {device = "/dev/disk/by-uuid/1962cd0f-4063-4996-a33c-8ebaa9ecea1d";}
+  ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp0s31f6.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/hosts/norad/default.nix b/hosts/norad/default.nix
new file mode 100644
index 0000000..c1126b2
--- /dev/null
+++ b/hosts/norad/default.nix
@@ -0,0 +1,26 @@
+{
+  imports = [
+    ./hardware-configuration.nix
+
+    ../common/global
+    ../common/optional/wireless.nix
+  ];
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "norad";
+
+  # Slows down write operations considerably
+  nix.settings.auto-optimise-store = false;
+
+  services = {
+    logind.extraConfig = ''
+      HandleLidSwitchExternalPower=ignore
+    '';
+  };
+
+  # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
+  system.stateVersion = "24.05";
+}
diff --git a/hosts/norad/hardware-configuration.nix b/hosts/norad/hardware-configuration.nix
new file mode 100644
index 0000000..f9b6a44
--- /dev/null
+++ b/hosts/norad/hardware-configuration.nix
@@ -0,0 +1,102 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["ehci_pci" "ahci" "firewire_ohci" "usb_storage" "sd_mod" "sr_mod" "sdhci_pci"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-intel"];
+  boot.extraModulePackages = [];
+
+  boot.initrd.luks.devices."enc".device = "/dev/disk/by-uuid/088d061d-7a81-4a91-9d97-c5958d5d4b6c";
+
+  # Note `lib.mkBefore` is used instead of `lib.mkAfter` here.
+  #boot.initrd.postDeviceCommands = pkgs.lib.mkBefore ''
+  #  mkdir -p /mnt
+
+  #  # We first mount the btrfs root to /mnt
+  #  # so we can manipulate btrfs subvolumes.
+  #  mount -o subvol=/ /dev/mapper/enc /mnt
+
+  #  # While we're tempted to just delete /root and create
+  #  # a new snapshot from /root-blank, /root is already
+  #  # populated at this point with a number of subvolumes,
+  #  # which makes `btrfs subvolume delete` fail.
+  #  # So, we remove them first.
+  #  #
+  #  # /root contains subvolumes:
+  #  # - /root/var/lib/portables
+  #  # - /root/var/lib/machines
+  #  #
+  #  # I suspect these are related to systemd-nspawn, but
+  #  # since I don't use it I'm not 100% sure.
+  #  # Anyhow, deleting these subvolumes hasn't resulted
+  #  # in any issues so far, except for fairly
+  #  # benign-looking errors from systemd-tmpfiles.
+  #  btrfs subvolume list -o /mnt/root |
+  #  cut -f9 -d' ' |
+  #  while read subvolume; do
+  #    echo "deleting /$subvolume subvolume..."
+  #    btrfs subvolume delete "/mnt/$subvolume"
+  #  done &&
+  #  echo "deleting /root subvolume..." &&
+  #  btrfs subvolume delete /mnt/root
+
+  #  echo "restoring blank /root subvolume..."
+  #  btrfs subvolume snapshot /mnt/root-blank /mnt/root
+
+  #  # Once we're done rolling back to a blank snapshot,
+  #  # we can unmount /mnt and continue on the boot process.
+  #  umount /mnt
+  #'';
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/2990-A0D7";
+    fsType = "vfat";
+    options = ["fmask=0022" "dmask=0022"];
+  };
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/8bcaf4f2-c648-420d-8605-72407206244c";
+
+    fsType = "btrfs";
+    options = ["subvol=root" "compress=zstd" "noatime"];
+  };
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/8bcaf4f2-c648-420d-8605-72407206244c";
+    fsType = "btrfs";
+    options = ["subvol=nix" "compress=zstd" "noatime"];
+  };
+
+  fileSystems."/persistent" = {
+    device = "/dev/disk/by-uuid/8bcaf4f2-c648-420d-8605-72407206244c";
+    fsType = "btrfs";
+    neededForBoot = true;
+    options = ["subvol=persistent" "compress=zstd" "noatime"];
+  };
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking = {
+    useDHCP = lib.mkDefault true;
+    wireless = {
+      enable = true;
+      userControlled.enable = true;
+    };
+  };
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware = {
+    cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+    graphics.enable = true;
+  };
+}
diff --git a/hosts/wopr/default.nix b/hosts/wopr/default.nix
new file mode 100644
index 0000000..bfd9de1
--- /dev/null
+++ b/hosts/wopr/default.nix
@@ -0,0 +1,23 @@
+{
+  imports = [
+    # Import your generated (nixos-generate-config) hardware configuration
+    ./hardware-configuration.nix
+
+    ../common/global
+  ];
+
+  # Use the GRUB 2 boot loader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
+
+  networking.hostName = "wopr";
+
+  services = {
+    logind.extraConfig = ''
+      HandleLidSwitchExternalPower=ignore
+    '';
+  };
+
+  # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
+  system.stateVersion = "24.05";
+}
diff --git a/hosts/wopr/hardware-configuration.nix b/hosts/wopr/hardware-configuration.nix
new file mode 100644
index 0000000..02a1988
--- /dev/null
+++ b/hosts/wopr/hardware-configuration.nix
@@ -0,0 +1,103 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["ehci_pci" "ahci" "firewire_ohci" "usb_storage" "sd_mod" "sr_mod" "sdhci_pci"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-intel"];
+  boot.extraModulePackages = [];
+
+  boot.initrd.luks.devices."enc".device = "/dev/disk/by-uuid/e9671751-99d2-4a1c-84f1-1f58dc117fc1";
+
+  # Note `lib.mkBefore` is used instead of `lib.mkAfter` here.
+  boot.initrd.postDeviceCommands = pkgs.lib.mkBefore ''
+    mkdir -p /mnt
+
+    # We first mount the btrfs root to /mnt
+    # so we can manipulate btrfs subvolumes.
+    mount -o subvol=/ /dev/mapper/enc /mnt
+
+    # While we're tempted to just delete /root and create
+    # a new snapshot from /root-blank, /root is already
+    # populated at this point with a number of subvolumes,
+    # which makes `btrfs subvolume delete` fail.
+    # So, we remove them first.
+    #
+    # /root contains subvolumes:
+    # - /root/var/lib/portables
+    # - /root/var/lib/machines
+    #
+    # I suspect these are related to systemd-nspawn, but
+    # since I don't use it I'm not 100% sure.
+    # Anyhow, deleting these subvolumes hasn't resulted
+    # in any issues so far, except for fairly
+    # benign-looking errors from systemd-tmpfiles.
+    btrfs subvolume list -o /mnt/root |
+    cut -f9 -d' ' |
+    while read subvolume; do
+      echo "deleting /$subvolume subvolume..."
+      btrfs subvolume delete "/mnt/$subvolume"
+    done &&
+    echo "deleting /root subvolume..." &&
+    btrfs subvolume delete /mnt/root
+
+    echo "restoring blank /root subvolume..."
+    btrfs subvolume snapshot /mnt/root-blank /mnt/root
+
+    # Once we're done rolling back to a blank snapshot,
+    # we can unmount /mnt and continue on the boot process.
+    umount /mnt
+  '';
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-label/boot";
+    neededForBoot = true;
+    fsType = "btrfs";
+  };
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/0ceef315-a8bb-4899-b037-4ad4b6d094a7";
+
+    fsType = "btrfs";
+    options = ["subvol=root" "noatime"];
+  };
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/0ceef315-a8bb-4899-b037-4ad4b6d094a7";
+    fsType = "btrfs";
+    options = ["subvol=nix" "noatime"];
+  };
+
+  fileSystems."/persistent" = {
+    device = "/dev/disk/by-uuid/0ceef315-a8bb-4899-b037-4ad4b6d094a7";
+    fsType = "btrfs";
+    neededForBoot = true;
+    options = ["subvol=persistent" "noatime"];
+  };
+
+  swapDevices = [
+    {device = "/dev/disk/by-label/swap";}
+  ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking = {
+    useDHCP = lib.mkDefault true;
+    wireless = {
+      enable = true;
+      userControlled.enable = true;
+    };
+  };
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/hosts/work/default.nix b/hosts/work/default.nix
new file mode 100644
index 0000000..c419fd9
--- /dev/null
+++ b/hosts/work/default.nix
@@ -0,0 +1,62 @@
+{config, ...}: {
+  imports = [
+    ./hardware-configuration.nix
+
+    ../common/global
+    ../common/optional/wireless.nix
+  ];
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "work";
+
+  # Slows down write operations considerably
+  nix.settings.auto-optimise-store = false;
+
+  services = {
+    logind.extraConfig = ''
+      HandleLidSwitchExternalPower=ignore
+    '';
+  };
+
+  virtualisation.docker = {
+    enable = true;
+
+    daemon.settings = {
+      userland-proxy = false;
+      experimental = true;
+      metrics-addr = "0.0.0.0:9323";
+      ipv6 = true;
+      fixed-cidr-v6 = "fd00::/80";
+    };
+    # rootless = {
+    #   enable = true;
+    #   setSocketVariable = true;
+    # };
+    storageDriver = "btrfs";
+  };
+
+  users.users.sadbeast = {
+    hashedPasswordFile = config.sops.secrets.sadbeast-password.path;
+
+    extraGroups = ["docker"];
+
+    subUidRanges = [
+      {
+        startUid = 100000;
+        count = 65536;
+      }
+    ];
+    subGidRanges = [
+      {
+        startGid = 100000;
+        count = 65536;
+      }
+    ];
+  };
+
+  # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
+  system.stateVersion = "24.05";
+}
diff --git a/hosts/work/hardware-configuration.nix b/hosts/work/hardware-configuration.nix
new file mode 100644
index 0000000..f174382
--- /dev/null
+++ b/hosts/work/hardware-configuration.nix
@@ -0,0 +1,64 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "rtsx_usb_sdmmc"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-intel"];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/0ac2bd64-7a06-4972-af6e-beffa6567ba7";
+    fsType = "btrfs";
+    options = ["subvol=root"];
+  };
+
+  boot.initrd.luks.devices."work".device = "/dev/disk/by-uuid/7ce450be-7739-476e-9a8d-e25e57d8707f";
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/0ac2bd64-7a06-4972-af6e-beffa6567ba7";
+    fsType = "btrfs";
+    options = ["subvol=nix"];
+  };
+
+  fileSystems."/persistent" = {
+    device = "/dev/disk/by-uuid/0ac2bd64-7a06-4972-af6e-beffa6567ba7";
+    fsType = "btrfs";
+    options = ["subvol=persistent"];
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/A468-9833";
+    fsType = "vfat";
+    options = ["fmask=0022" "dmask=0022"];
+  };
+
+  swapDevices = [
+    {device = "/dev/disk/by-label/swap";}
+  ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking = {
+    useDHCP = lib.mkDefault true;
+    wireless = {
+      enable = true;
+      userControlled.enable = true;
+    };
+  };
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware = {
+    cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+    graphics.enable = true;
+  };
+}