split nixos from darwin

required because they don't share all attributes
2025-07-05 22:00:14 +00:00 · 2022-12-21 17:07:58 -07:00
parent 7063bd5f7a
commit d021baa1bb
78 changed files with 22 additions and 21 deletions
--- a/nixos/applications/calibre.nix
+++ b/nixos/applications/calibre.nix
@ -0,0 +1,19 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+    calibre = {
+      enable = lib.mkEnableOption {
+        description = "Enable Calibre.";
+        default = false;
+      };
+    };
+  };
+
+  config = lib.mkIf (config.gui.enable && config.calibre.enable) {
+    home-manager.users.${config.user} = {
+      home.packages = with pkgs; [ calibre ];
+      # home.sessionVariables = { CALIBRE_USE_DARK_PALETTE = 1; };
+    };
+    environment.sessionVariables = { CALIBRE_USE_DARK_PALETTE = "1"; };
+  };
+}
--- a/nixos/default.nix
+++ b/nixos/default.nix
@ -0,0 +1,13 @@
+{ ... }: {
+
+  imports = [
+    ./applications
+    ./gaming
+    ./graphical
+    ./hardware
+    ./services
+    ./system
+    ./wsl
+  ];
+
+}
--- a/nixos/gaming/default.nix
+++ b/nixos/gaming/default.nix
@ -0,0 +1,19 @@
+{ config, pkgs, lib, ... }: {
+
+  imports = [
+    ./leagueoflegends.nix
+    ./legendary.nix
+    ./lutris.nix
+    ./minecraft-server.nix
+    ./steam.nix
+  ];
+
+  options.gaming.enable = lib.mkEnableOption "Enable gaming features.";
+
+  config = lib.mkIf (config.gaming.enable && pkgs.stdenv.isLinux) {
+    hardware.opengl = {
+      enable = true;
+      driSupport32Bit = true;
+    };
+  };
+}
--- a/nixos/gaming/leagueoflegends.nix
+++ b/nixos/gaming/leagueoflegends.nix
@ -0,0 +1,32 @@
+{ config, pkgs, lib, ... }: {
+
+  options.gaming.leagueoflegends.enable =
+    lib.mkEnableOption "League of Legends";
+
+  config =
+    lib.mkIf (config.gaming.leagueoflegends.enable && pkgs.stdenv.isLinux) {
+
+      # League of Legends anti-cheat requirement
+      boot.kernel.sysctl = { "abi.vsyscall32" = 0; };
+
+      environment.systemPackages = with pkgs; [
+
+        # Lutris requirement to install the game
+        lutris
+        amdvlk
+        wineWowPackages.stable
+        # vulkan-tools
+
+        # Required according to https://lutris.net/games/league-of-legends/
+        openssl
+        gnome.zenity
+
+        # Don't remember if this is required
+        dconf
+
+      ];
+
+      environment.sessionVariables = { QT_X11_NO_MITSHM = "1"; };
+
+    };
+}
--- a/nixos/gaming/legendary.nix
+++ b/nixos/gaming/legendary.nix
@ -0,0 +1,56 @@
+{ config, pkgs, lib, ... }:
+
+let home-packages = config.home-manager.users.${config.user}.home.packages;
+
+in {
+
+  options.gaming.legendary.enable =
+    lib.mkEnableOption "Legendary Epic Games launcher.";
+
+  config = lib.mkIf config.gaming.legendary.enable {
+    environment.systemPackages = with pkgs; [
+      legendary-gl
+      rare # GUI for Legendary (not working)
+      wineWowPackages.stable # 32-bit and 64-bit wineWowPackages, see https://nixos.wiki/wiki/Wine
+    ];
+
+    home-manager.users.${config.user} = {
+
+      xdg.configFile."legendary/config.ini".text = ''
+        [Legendary]
+        ; Disables the automatic update check
+        disable_update_check = false
+        ; Disables the notice about an available update on exit
+        disable_update_notice = true
+        ; Set install directory
+        install_dir = ${config.homePath}/media/games
+        ; Make output quiet
+        log_level = error
+      '';
+
+      home.file = let
+        ignorePatterns = ''
+          .wine/
+          drive_c/'';
+      in {
+        ".rgignore".text = ignorePatterns;
+        ".fdignore".text = ignorePatterns;
+      };
+
+      programs.fish.functions =
+        lib.mkIf (builtins.elem pkgs.fzf home-packages) {
+          epic-games = {
+            body = ''
+              set game (legendary list 2>/dev/null \
+                  | awk '/^ \* / { print $0; }' \
+                  | sed -e 's/ (.*)$//' -e 's/ \* //' \
+                  | fzf)
+              and legendary launch "$game" &> /dev/null
+            '';
+          };
+        };
+
+    };
+  };
+
+}
--- a/nixos/gaming/lutris.nix
+++ b/nixos/gaming/lutris.nix
@ -0,0 +1,13 @@
+{ config, pkgs, lib, ... }: {
+
+  options.gaming.lutris.enable = lib.mkEnableOption "Lutris game installer.";
+
+  config = lib.mkIf config.gaming.lutris.enable {
+    environment.systemPackages = with pkgs; [
+      lutris
+      amdvlk # Vulkan drivers (probably already installed)
+      wineWowPackages.stable # 32-bit and 64-bit wineWowPackages
+    ];
+  };
+
+}
--- a/nixos/gaming/minecraft-server.nix
+++ b/nixos/gaming/minecraft-server.nix
@ -0,0 +1,152 @@
+{ config, pkgs, lib, ... }:
+
+let
+
+  localPort = 25564;
+  publicPort = 49732;
+  rconPort = 25575;
+  rconPassword = "thiscanbeanything";
+
+in {
+
+  options.gaming.minecraft-server.enable =
+    lib.mkEnableOption "Minecraft Server.";
+
+  config = lib.mkIf config.gaming.minecraft-server.enable {
+
+    unfreePackages = [ "minecraft-server" ];
+
+    services.minecraft-server = {
+      enable = true;
+      eula = true;
+      declarative = true;
+      whitelist = { };
+      openFirewall = false;
+      serverProperties = {
+        server-port = localPort;
+        difficulty = "normal";
+        gamemode = "survival";
+        white-list = false;
+        enforce-whitelist = false;
+        level-name = "world";
+        motd = "Welcome!";
+        pvp = true;
+        player-idle-timeout = 30;
+        generate-structures = true;
+        max-players = 20;
+        snooper-enabled = false;
+        spawn-npcs = true;
+        spawn-animals = true;
+        spawn-monsters = true;
+        allow-nether = true;
+        allow-flight = false;
+        enable-rcon = true;
+        "rcon.port" = rconPort;
+        "rcon.password" = rconPassword;
+      };
+    };
+
+    networking.firewall.allowedTCPPorts = [ publicPort ];
+
+    ## Automatically start and stop Minecraft server based on player connections
+
+    # Adapted shamelessly from:
+    # https://dataswamp.org/~solene/2022-08-20-on-demand-minecraft-with-systemd.html
+
+    # Prevent Minecraft from starting by default
+    systemd.services.minecraft-server = { wantedBy = pkgs.lib.mkForce [ ]; };
+
+    # Listen for connections on the public port, to trigger the actual
+    # listen-minecraft service.
+    systemd.sockets.listen-minecraft = {
+      wantedBy = [ "sockets.target" ];
+      requires = [ "network.target" ];
+      listenStreams = [ "${toString publicPort}" ];
+    };
+
+    # Proxy traffic to local port, and trigger hook-minecraft
+    systemd.services.listen-minecraft = {
+      path = [ pkgs.systemd ];
+      requires = [ "hook-minecraft.service" "listen-minecraft.socket" ];
+      after = [ "hook-minecraft.service" "listen-minecraft.socket" ];
+      serviceConfig.ExecStart =
+        "${pkgs.systemd.out}/lib/systemd/systemd-socket-proxyd 127.0.0.1:${
+          toString localPort
+        }";
+    };
+
+    # Start Minecraft if required and wait for it to be available
+    # Then unlock the listen-minecraft.service
+    systemd.services.hook-minecraft = {
+      path = with pkgs; [ systemd libressl busybox ];
+
+      # Start Minecraft and the auto-shutdown timer
+      script = ''
+        systemctl start minecraft-server.service
+        systemctl start stop-minecraft.timer
+      '';
+
+      # Keep checking until the service is available
+      postStart = ''
+        for i in $(seq 60); do
+          if ${pkgs.libressl.nc}/bin/nc -z 127.0.0.1 ${
+            toString localPort
+          } > /dev/null ; then
+            exit 0
+          fi
+          ${pkgs.busybox.out}/bin/sleep 1
+        done
+        exit 1
+      '';
+    };
+
+    # Run a player check on a schedule for auto-shutdown
+    systemd.timers.stop-minecraft = {
+      timerConfig = {
+        OnCalendar = "*-*-* *:*:0/20"; # Every 20 seconds
+        Unit = "stop-minecraft.service";
+      };
+    };
+
+    # If no players are connected, then stop services and prepare to resume again
+    systemd.services.stop-minecraft = {
+      serviceConfig.Type = "oneshot";
+      script = ''
+        # Check when service was launched
+        servicestartsec=$(
+          date -d \
+            "$(systemctl show \
+                 --property=ActiveEnterTimestamp \
+                 minecraft-server.service \
+                 | cut -d= -f2)" \
+          +%s)
+
+        # Calculate elapsed time
+        serviceelapsedsec=$(( $(date +%s) - servicestartsec))
+
+        # Ignore if service just started
+        if [ $serviceelapsedsec -lt 180 ]
+        then
+          echo "Server was just started"
+          exit 0
+        fi
+
+        PLAYERS=$(
+          printf "list\n" \
+            | ${pkgs.rcon.out}/bin/rcon -m \
+            -H 127.0.0.1 -p ${builtins.toString rconPort} -P ${rconPassword} \
+        )
+
+        if echo "$PLAYERS" | grep "are 0 of a"
+        then
+          echo "Stopping server"
+          systemctl stop minecraft-server.service
+          systemctl stop hook-minecraft.service
+          systemctl stop stop-minecraft.timer
+        fi
+      '';
+    };
+
+  };
+
+}
--- a/nixos/gaming/steam.nix
+++ b/nixos/gaming/steam.nix
@ -0,0 +1,19 @@
+{ config, pkgs, lib, ... }: {
+
+  options.gaming.steam.enable = lib.mkEnableOption "Steam game launcher.";
+
+  config = lib.mkIf (config.gaming.steam.enable && pkgs.stdenv.isLinux) {
+    hardware.steam-hardware.enable = true;
+    unfreePackages = [ "steam" "steam-original" "steamcmd" "steam-run" ];
+    environment.systemPackages = with pkgs; [
+
+      steam
+
+      # Enable terminal interaction
+      steamPackages.steamcmd
+      steam-tui
+
+    ];
+  };
+
+}
--- a/nixos/graphical/default.nix
+++ b/nixos/graphical/default.nix
@ -0,0 +1,31 @@
+{ lib, ... }: {
+
+  imports =
+    [ ./xorg.nix ./fonts.nix ./i3.nix ./polybar.nix ./picom.nix ./rofi.nix ];
+
+  options = {
+
+    launcherCommand = lib.mkOption {
+      type = lib.types.str;
+      description = "Command to use for launching";
+    };
+    systemdSearch = lib.mkOption {
+      type = lib.types.str;
+      description = "Command to use for interacting with systemd";
+    };
+    altTabCommand = lib.mkOption {
+      type = lib.types.str;
+      description = "Command to use for choosing windows";
+    };
+    toggleBarCommand = lib.mkOption {
+      type = lib.types.str;
+      description = "Command to hide and show the status bar.";
+    };
+    wallpaper = lib.mkOption {
+      type = lib.types.path;
+      description = "Wallpaper background image file";
+    };
+
+  };
+
+}
--- a/nixos/graphical/dmenu.nix
+++ b/nixos/graphical/dmenu.nix
@ -0,0 +1,14 @@
+{ config, pkgs, lib, ... }:
+
+{
+
+  options.gui.dmenu.enable = lib.mkEnableOption "dmenu launcher.";
+
+  config = lib.mkIf (config.services.xserver.enable && config.dmenu.enable) {
+
+    home-manager.users.${config.user}.home.packages = [ pkgs.dmenu ];
+    gui.launcherCommand = "${pkgs.dmenu}/bin/dmenu_run";
+
+  };
+
+}
--- a/nixos/graphical/fonts.nix
+++ b/nixos/graphical/fonts.nix
@ -0,0 +1,29 @@
+{ config, pkgs, lib, ... }:
+
+let fontName = "Victor Mono";
+
+in {
+
+  config = lib.mkIf (config.gui.enable && pkgs.stdenv.isLinux) {
+
+    fonts.fonts = with pkgs; [
+      victor-mono # Used for Vim and Terminal
+      (nerdfonts.override { fonts = [ "Hack" ]; }) # For Polybar, Rofi
+    ];
+    fonts.fontconfig.defaultFonts.monospace = [ fontName ];
+
+    home-manager.users.${config.user} = {
+      xsession.windowManager.i3.config.fonts = {
+        names = [ "pango:${fontName}" ];
+        # style = "Regular";
+        # size = 11.0;
+      };
+      services.polybar.config."bar/main".font-0 = "Hack Nerd Font:size=10;2";
+      programs.rofi.font = "Hack Nerd Font 14";
+      programs.alacritty.settings.font.normal.family = fontName;
+      programs.kitty.font.name = fontName;
+    };
+
+  };
+
+}
--- a/nixos/graphical/i3.nix
+++ b/nixos/graphical/i3.nix
@ -0,0 +1,284 @@
+{ config, pkgs, lib, ... }:
+
+let
+
+  lockCmd =
+    "${pkgs.betterlockscreen}/bin/betterlockscreen --lock --display 1 --blur 0.5 --span";
+  lockUpdate =
+    "${pkgs.betterlockscreen}/bin/betterlockscreen --update ${config.wallpaper} --display 1 --span";
+
+in {
+
+  config = lib.mkIf pkgs.stdenv.isLinux {
+
+    services.xserver.windowManager = {
+      i3 = {
+        enable = config.services.xserver.enable;
+        package = pkgs.i3-gaps;
+      };
+    };
+
+    environment.systemPackages = with pkgs; [
+      feh # Wallpaper
+      playerctl # Media control
+    ];
+
+    home-manager.users.${config.user} = {
+      xsession.windowManager.i3 = {
+        enable = config.services.xserver.enable;
+        package = pkgs.i3-gaps;
+        config = let
+          modifier = "Mod4"; # Super key
+          ws1 = "1:I";
+          ws2 = "2:II";
+          ws3 = "3:III";
+          ws4 = "4:IV";
+          ws5 = "5:V";
+          ws6 = "6:VI";
+          ws7 = "7:VII";
+          ws8 = "8:VIII";
+          ws9 = "9:IX";
+          ws10 = "10:X";
+        in {
+          modifier = modifier;
+          assigns = {
+            "${ws1}" = [{ class = "Firefox"; }];
+            "${ws2}" = [{ class = "kitty"; }];
+            "${ws3}" = [{ class = "discord"; }];
+            "${ws4}" = [{ class = "Steam"; }];
+          };
+          bars = [{ command = "echo"; }]; # Disable i3bar
+          colors = let
+            background = config.theme.colors.base00;
+            inactiveBackground = config.theme.colors.base01;
+            border = config.theme.colors.base01;
+            inactiveBorder = config.theme.colors.base01;
+            text = config.theme.colors.base07;
+            inactiveText = config.theme.colors.base04;
+            urgentBackground = config.theme.colors.base08;
+            indicator = "#00000000";
+          in {
+            background = config.theme.colors.base00;
+            focused = {
+              inherit background indicator text border;
+              childBorder = background;
+            };
+            focusedInactive = {
+              inherit indicator;
+              background = inactiveBackground;
+              border = inactiveBorder;
+              childBorder = inactiveBackground;
+              text = inactiveText;
+            };
+            # placeholder = { };
+            unfocused = {
+              inherit indicator;
+              background = inactiveBackground;
+              border = inactiveBorder;
+              childBorder = inactiveBackground;
+              text = inactiveText;
+            };
+            urgent = {
+              inherit text indicator;
+              background = urgentBackground;
+              border = urgentBackground;
+              childBorder = urgentBackground;
+            };
+          };
+          floating.modifier = modifier;
+          focus = {
+            mouseWarping = true;
+            newWindow = "urgent";
+            followMouse = false;
+          };
+          keybindings = {
+
+            # Adjust screen brightness
+            "Shift+F12" =
+              "exec ${pkgs.ddcutil}/bin/ddcutil --display 1 setvcp 10 + 30 && sleep 1; exec ${pkgs.ddcutil}/bin/ddcutil --display 2 setvcp 10 + 30";
+            "Shift+F11" =
+              "exec ${pkgs.ddcutil}/bin/ddcutil --display 1 setvcp 10 - 30 && sleep 1; exec ${pkgs.ddcutil}/bin/ddcutil --display 2 setvcp 10 - 30";
+            "XF86MonBrightnessUp" =
+              "exec ${pkgs.ddcutil}/bin/ddcutil --display 1 setvcp 10 + 30 && sleep 1; exec ${pkgs.ddcutil}/bin/ddcutil --display 2 setvcp 10 + 30";
+            "XF86MonBrightnessDown" =
+              "exec ${pkgs.ddcutil}/bin/ddcutil --display 1 setvcp 10 - 30 && sleep 1; exec ${pkgs.ddcutil}/bin/ddcutil --display 2 setvcp 10 - 30";
+
+            # Media player controls
+            "XF86AudioPlay" = "exec ${pkgs.playerctl}/bin/playerctl play-pause";
+            "XF86AudioStop" = "exec ${pkgs.playerctl}/bin/playerctl stop";
+            "XF86AudioNext" = "exec ${pkgs.playerctl}/bin/playerctl next";
+            "XF86AudioPrev" = "exec ${pkgs.playerctl}/bin/playerctl previous";
+
+            # Launchers
+            "${modifier}+Return" =
+              "exec --no-startup-id kitty; workspace ${ws2}; layout tabbed";
+            "${modifier}+space" =
+              "exec --no-startup-id ${config.launcherCommand}";
+            "${modifier}+Shift+s" =
+              "exec --no-startup-id ${config.systemdSearch}";
+            "Mod1+Tab" = "exec --no-startup-id ${config.altTabCommand}";
+            "${modifier}+Shift+c" = "reload";
+            "${modifier}+Shift+r" = "restart";
+            "${modifier}+Shift+q" = ''
+              exec "i3-nagbar -t warning -m 'You pressed the exit shortcut. Do you really want to exit i3? This will end your X session.' -B 'Yes, exit i3' 'i3-msg exit'"'';
+            "${modifier}+Shift+x" = "exec ${lockCmd}";
+
+            # Window options
+            "${modifier}+q" = "kill";
+            "${modifier}+b" = "exec ${config.toggleBarCommand}";
+            "${modifier}+f" = "fullscreen toggle";
+            "${modifier}+h" = "focus left";
+            "${modifier}+j" = "focus down";
+            "${modifier}+k" = "focus up";
+            "${modifier}+l" = "focus right";
+            "${modifier}+Left" = "focus left";
+            "${modifier}+Down" = "focus down";
+            "${modifier}+Up" = "focus up";
+            "${modifier}+Right" = "focus right";
+            "${modifier}+Shift+h" = "move left";
+            "${modifier}+Shift+j" = "move down";
+            "${modifier}+Shift+k" = "move up";
+            "${modifier}+Shift+l" = "move right";
+            "${modifier}+Shift+Left" = "move left";
+            "${modifier}+Shift+Down" = "move down";
+            "${modifier}+Shift+Up" = "move up";
+            "${modifier}+Shift+Right" = "move right";
+
+            # Tiling
+            "${modifier}+i" = "split h";
+            "${modifier}+v" = "split v";
+            "${modifier}+s" = "layout stacking";
+            "${modifier}+t" = "layout tabbed";
+            "${modifier}+e" = "layout toggle split";
+            "${modifier}+Shift+space" = "floating toggle";
+            "${modifier}+Control+space" = "focus mode_toggle";
+            "${modifier}+a" = "focus parent";
+
+            # Workspaces
+            "${modifier}+1" = "workspace ${ws1}";
+            "${modifier}+2" = "workspace ${ws2}";
+            "${modifier}+3" = "workspace ${ws3}";
+            "${modifier}+4" = "workspace ${ws4}";
+            "${modifier}+5" = "workspace ${ws5}";
+            "${modifier}+6" = "workspace ${ws6}";
+            "${modifier}+7" = "workspace ${ws7}";
+            "${modifier}+8" = "workspace ${ws8}";
+            "${modifier}+9" = "workspace ${ws9}";
+            "${modifier}+0" = "workspace ${ws10}";
+
+            # Move windows
+            "${modifier}+Shift+1" =
+              "move container to workspace ${ws1}; workspace ${ws1}";
+            "${modifier}+Shift+2" =
+              "move container to workspace ${ws2}; workspace ${ws2}";
+            "${modifier}+Shift+3" =
+              "move container to workspace ${ws3}; workspace ${ws3}";
+            "${modifier}+Shift+4" =
+              "move container to workspace ${ws4}; workspace ${ws4}";
+            "${modifier}+Shift+5" =
+              "move container to workspace ${ws5}; workspace ${ws5}";
+            "${modifier}+Shift+6" =
+              "move container to workspace ${ws6}; workspace ${ws6}";
+            "${modifier}+Shift+7" =
+              "move container to workspace ${ws7}; workspace ${ws7}";
+            "${modifier}+Shift+8" =
+              "move container to workspace ${ws8}; workspace ${ws8}";
+            "${modifier}+Shift+9" =
+              "move container to workspace ${ws9}; workspace ${ws9}";
+            "${modifier}+Shift+0" =
+              "move container to workspace ${ws10}; workspace ${ws10}";
+
+            # Move screens
+            "${modifier}+Control+l" = "move workspace to output right";
+            "${modifier}+Control+h" = "move workspace to output left";
+
+            # Resizing
+            "${modifier}+r" = ''mode "resize"'';
+            "${modifier}+Control+Shift+h" =
+              "resize shrink width 10 px or 10 ppt";
+            "${modifier}+Control+Shift+j" =
+              "resize grow height 10 px or 10 ppt";
+            "${modifier}+Control+Shift+k" =
+              "resize shrink height 10 px or 10 ppt";
+            "${modifier}+Control+Shift+l" = "resize grow width 10 px or 10 ppt";
+          };
+          modes = { };
+          startup = [
+            {
+              command = "feh --bg-fill ${config.wallpaper}";
+              always = true;
+              notification = false;
+            }
+            {
+              command =
+                "i3-msg workspace ${ws2}, move workspace to output right";
+              notification = false;
+            }
+            {
+              command =
+                "i3-msg workspace ${ws1}, move workspace to output left";
+              notification = false;
+            }
+          ];
+          window = {
+            border = 0;
+            hideEdgeBorders = "smart";
+            titlebar = false;
+          };
+          workspaceAutoBackAndForth = false;
+          workspaceOutputAssign = [ ];
+          # gaps = {
+          # bottom = 8;
+          # top = 8;
+          # left = 8;
+          # right = 8;
+          # horizontal = 15;
+          # vertical = 15;
+          # inner = 15;
+          # outer = 0;
+          # smartBorders = "off";
+          # smartGaps = false;
+          # };
+        };
+        extraConfig = "";
+      };
+
+      programs.fish.functions = {
+        update-lock-screen = lib.mkIf config.services.xserver.enable {
+          description = "Update lockscreen with wallpaper";
+          body = lockUpdate;
+        };
+      };
+
+      # Update lock screen cache only if cache is empty
+      home.activation.updateLockScreenCache =
+        let cacheDir = "${config.homePath}/.cache/betterlockscreen/current";
+        in lib.mkIf config.services.xserver.enable
+        (config.home-manager.users.${config.user}.lib.dag.entryAfter
+          [ "writeBoundary" ] ''
+            if [ ! -d ${cacheDir} ] || [ -z "$(ls ${cacheDir})" ]; then
+                $DRY_RUN_CMD ${lockUpdate}
+            fi
+          '');
+
+    };
+
+    # Ref: https://github.com/betterlockscreen/betterlockscreen/blob/next/system/betterlockscreen%40.service
+    systemd.services.lock = {
+      enable = config.services.xserver.enable;
+      description = "Lock the screen on resume from suspend";
+      before = [ "sleep.target" "suspend.target" ];
+      serviceConfig = {
+        User = config.user;
+        Type = "simple";
+        Environment = "DISPLAY=:0";
+        TimeoutSec = "infinity";
+        ExecStart = lockCmd;
+        ExecStartPost = "${pkgs.coreutils-full}/bin/sleep 1";
+      };
+      wantedBy = [ "sleep.target" "suspend.target" ];
+    };
+
+  };
+
+}
--- a/nixos/graphical/picom.nix
+++ b/nixos/graphical/picom.nix
@ -0,0 +1,49 @@
+{ config, pkgs, lib, ... }: {
+
+  config = lib.mkIf (pkgs.stdenv.isLinux && config.services.xserver.enable) {
+    home-manager.users.${config.user} = {
+
+      services.picom = {
+        enable = true;
+        backend = "glx";
+        settings = {
+          blur = false;
+          blurExclude = [ ];
+          inactiveDim = "0.05";
+          noDNDShadow = false;
+          noDockShadow = false;
+          # shadow-radius = 20
+          # '';
+          # shadow-radius = 20
+          # corner-radius = 10
+          # blur-size = 20
+          # rounded-corners-exclude = [
+          # "window_type = 'dock'",
+          # "class_g = 'i3-frame'"
+          # ]
+          # '';
+        };
+        fade = false;
+        experimentalBackends = true;
+        inactiveOpacity = 1.0;
+        menuOpacity = 1.0;
+        opacityRules = [
+          "0:_NET_WM_STATE@[0]:32a = '_NET_WM_STATE_HIDDEN'" # Hide tabbed windows
+        ];
+        shadow = false;
+        shadowExclude = [ ];
+        shadowOffsets = [ (-10) (-10) ];
+        shadowOpacity = 0.5;
+        vSync = true;
+      };
+
+      xsession.windowManager.i3.config.startup = [{
+        command = "systemctl --user restart picom";
+        always = true;
+        notification = false;
+      }];
+
+    };
+  };
+
+}
--- a/nixos/graphical/polybar.nix
+++ b/nixos/graphical/polybar.nix
@ -0,0 +1,185 @@
+{ config, pkgs, lib, ... }: {
+
+  config = lib.mkIf (pkgs.stdenv.isLinux && config.services.xserver.enable) {
+
+    toggleBarCommand = "polybar-msg cmd toggle";
+
+    home-manager.users.${config.user} = {
+
+      services.polybar = {
+        enable = true;
+        package = pkgs.polybar.override {
+          i3GapsSupport = true;
+          pulseSupport = true;
+          githubSupport = true;
+        };
+        script = "polybar &";
+        config = {
+          "bar/main" = {
+            bottom = false;
+            width = "100%";
+            height = "22pt";
+            radius = 0;
+            # offset-y = -5;
+            # offset-y = "5%";
+            # dpi = 96;
+            background = config.theme.colors.base01;
+            foreground = config.theme.colors.base05;
+            line-size = "3pt";
+            border-top-size = 0;
+            border-right-size = 0;
+            border-left-size = 0;
+            border-bottom-size = "4pt";
+            border-color = config.theme.colors.base00;
+            padding-left = 2;
+            padding-right = 2;
+            module-margin = 1;
+            modules-left = "i3";
+            modules-center = "xwindow";
+            modules-right = "pulseaudio date";
+            cursor-click = "pointer";
+            cursor-scroll = "ns-resize";
+            enable-ipc = true;
+            tray-position = "right";
+            # wm-restack = "generic";
+            # wm-restack = "bspwm";
+            # wm-restack = "i3";
+            # override-redirect = true;
+          };
+          "module/i3" = let padding = 2;
+          in {
+            type = "internal/i3";
+            pin-workspaces = false;
+            show-urgent = true;
+            strip-wsnumbers = true;
+            index-sort = true;
+            enable-click = true;
+            wrapping-scroll = true;
+            fuzzy-match = true;
+            format = "<label-state> <label-mode>";
+            label-focused = "%name%";
+            label-focused-foreground = config.theme.colors.base01;
+            label-focused-background = config.theme.colors.base05;
+            label-focused-underline = config.theme.colors.base03;
+            label-focused-padding = padding;
+            label-unfocused = "%name%";
+            label-unfocused-padding = padding;
+            label-visible = "%name%";
+            label-visible-underline = config.theme.colors.base01;
+            label-visible-padding = padding;
+            label-urgent = "%name%";
+            label-urgent-foreground = config.theme.colors.base00;
+            label-urgent-background = config.theme.colors.base08;
+            label-urgent-underline = config.theme.colors.base0F;
+            label-urgent-padding = padding;
+          };
+          "module/xworkspaces" = {
+            type = "internal/xworkspaces";
+            label-active = "%name%";
+            label-active-background = config.theme.colors.base05;
+            label-active-foreground = config.theme.colors.base01;
+            label-active-underline = config.theme.colors.base03;
+            label-active-padding = 1;
+            label-occupied = "%name%";
+            label-occupied-padding = 1;
+            label-urgent = "%name%";
+            label-urgent-background = config.theme.colors.base08;
+            label-urgent-padding = 1;
+            label-empty = "%name%";
+            label-empty-foreground = config.theme.colors.base06;
+            label-empty-padding = 1;
+          };
+          "module/xwindow" = {
+            type = "internal/xwindow";
+            label = "%title:0:60:...%";
+          };
+          # "module/filesystem" = {
+          # type = "internal/fs";
+          # interval = 25;
+          # mount-0 = "/";
+          # label-mounted = "%{F#F0C674}%mountpoint%%{F-} %percentage_used%%";
+          # label-unmounted = "%mountpoint% not mounted";
+          # label-unmounted-foreground = colors.disabled;
+          # };
+          "module/pulseaudio" = {
+            type = "internal/pulseaudio";
+            # format-volume-prefix = "VOL ";
+            # format-volume-prefix-foreground = colors.primary;
+            format-volume = "<ramp-volume> <label-volume>";
+            # format-volume-background = colors.background;
+            # label-volume-background = colors.background;
+            format-volume-foreground = config.theme.colors.base0B;
+            label-volume = "%percentage%%";
+            label-muted = "ﱝ ---";
+            label-muted-foreground = config.theme.colors.base03;
+            ramp-volume-0 = "";
+            ramp-volume-1 = "墳";
+            ramp-volume-2 = "";
+          };
+          # "module/xkeyboard" = {
+          # type = "internal/xkeyboard";
+          # blacklist-0 = "num lock";
+          # label-layout = "%layout%";
+          # label-layout-foreground = colors.primary;
+          # label-indicator-padding = 2;
+          # label-indicator-margin = 1;
+          # label-indicator-foreground = colors.background;
+          # label-indicator-background = colors.secondary;
+          # };
+          # "module/memory" = {
+          # type = "internal/memory";
+          # interval = 2;
+          # format-prefix = "RAM ";
+          # format-prefix-foreground = colors.primary;
+          # label = "%percentage_used:2%%";
+          # };
+          # "module/cpu" = {
+          # type = "internal/cpu";
+          # interval = 2;
+          # format-prefix = "CPU ";
+          # format-prefix-foreground = colors.primary;
+          # label = "%percentage:2%%";
+          # };
+          # "network-base" = {
+          # type = "internal/network";
+          # interval = 5;
+          # format-connected = "<label-connected>";
+          # format-disconnected = "<label-disconnected>";
+          # label-disconnected = "%{F#F0C674}%ifname%%{F#707880} disconnected";
+          # };
+          # "module/wlan" = {
+          # "inherit" = "network-base";
+          # interface-type = "wireless";
+          # label-connected = "%{F#F0C674}%ifname%%{F-} %essid% %local_ip%";
+          # };
+          # "module/eth" = {
+          # "inherit" = "network-base";
+          # interface-type = "wired";
+          # label-connected = "%{F#F0C674}%ifname%%{F-} %local_ip%";
+          # };
+          "module/date" = {
+            type = "internal/date";
+            interval = 1;
+            date = "%d %b  %l:%M %p";
+            date-alt = "%Y-%m-%d %H:%M:%S";
+            label = "%date%";
+            label-foreground = config.theme.colors.base0A;
+            # format-background = colors.background;
+          };
+          "settings" = {
+            screenchange-reload = true;
+            pseudo-transparency = false;
+          };
+        };
+      };
+
+      xsession.windowManager.i3.config.startup = [{
+        command = "systemctl --user restart polybar";
+        always = true;
+        notification = false;
+      }];
+
+    };
+  };
+
+}
--- a/nixos/graphical/rofi.nix
+++ b/nixos/graphical/rofi.nix
@ -0,0 +1,153 @@
+{ config, pkgs, lib, ... }:
+
+{
+
+  config = lib.mkIf (pkgs.stdenv.isLinux && config.services.xserver.enable) {
+
+    home-manager.users.${config.user} = {
+
+      home.packages = with pkgs;
+        [
+          jq # Required for rofi-systemd
+        ];
+
+      programs.rofi = {
+        enable = true;
+        cycle = true;
+        location = "center";
+        pass = { };
+        plugins = [ pkgs.rofi-calc pkgs.rofi-emoji pkgs.rofi-systemd ];
+        theme = let
+          inherit (config.home-manager.users.${config.user}.lib.formats.rasi)
+            mkLiteral;
+        in {
+
+          # Inspired by https://github.com/sherubthakur/dotfiles/blob/master/users/modules/desktop-environment/rofi/launcher.rasi
+
+          "*" = {
+            background-color = mkLiteral config.theme.colors.base00;
+            foreground-color = mkLiteral config.theme.colors.base07;
+            text-color = mkLiteral config.theme.colors.base07;
+            border-color = mkLiteral config.theme.colors.base04;
+          };
+
+          # Holds the entire window
+          "#window" = {
+            transparency = "real";
+            background-color = mkLiteral config.theme.colors.base00;
+            text-color = mkLiteral config.theme.colors.base07;
+            border = mkLiteral "4px";
+            border-color = mkLiteral config.theme.colors.base04;
+            border-radius = mkLiteral "4px";
+            width = mkLiteral "850px";
+            padding = mkLiteral "15px";
+          };
+
+          # Wrapper around bar and results
+          "#mainbox" = {
+            background-color = mkLiteral config.theme.colors.base00;
+            border = mkLiteral "0px";
+            border-radius = mkLiteral "0px";
+            border-color = mkLiteral config.theme.colors.base04;
+            children = map mkLiteral [ "inputbar" "listview" ];
+            spacing = mkLiteral "10px";
+            padding = mkLiteral "10px";
+          };
+
+          # Unknown
+          "#textbox-prompt-colon" = {
+            expand = false;
+            str = ":";
+            margin = mkLiteral "0px 0.3em 0em 0em";
+            text-color = mkLiteral config.theme.colors.base07;
+          };
+
+          # Command prompt left of the input
+          "#prompt" = { enabled = false; };
+
+          # Actual text box
+          "#entry" = {
+            placeholder-color = mkLiteral config.theme.colors.base03;
+            expand = true;
+            horizontal-align = "0";
+            placeholder = "Launch Program";
+            padding = mkLiteral "0px 0px 0px 5px";
+            blink = true;
+          };
+
+          # Top bar
+          "#inputbar" = {
+            children = map mkLiteral [ "prompt" "entry" ];
+            border = mkLiteral "1px";
+            border-radius = mkLiteral "4px";
+            padding = mkLiteral "6px";
+          };
+
+          # Results
+          "#listview" = {
+            background-color = mkLiteral config.theme.colors.base00;
+            padding = mkLiteral "0px";
+            columns = 1;
+            lines = 12;
+            spacing = "5px";
+            cycle = true;
+            dynamic = true;
+            layout = "vertical";
+          };
+
+          # Each result
+          "#element" = {
+            orientation = "vertical";
+            border-radius = mkLiteral "0px";
+            padding = mkLiteral "5px 0px 5px 5px";
+          };
+          "#element.selected" = {
+            border = mkLiteral "1px";
+            border-radius = mkLiteral "4px";
+            border-color = mkLiteral config.theme.colors.base07;
+            background-color = mkLiteral config.theme.colors.base04;
+            text-color = mkLiteral config.theme.colors.base00;
+          };
+
+          "#element-text" = {
+            expand = true;
+            # horizontal-align = mkLiteral "0.5";
+            vertical-align = mkLiteral "0.5";
+            margin = mkLiteral "0px 2.5px 0px 2.5px";
+          };
+          "#element-text.selected" = {
+            background-color = mkLiteral config.theme.colors.base04;
+            text-color = mkLiteral config.theme.colors.base00;
+          };
+
+          # Not sure how to get icons
+          "#element-icon" = {
+            size = mkLiteral "18px";
+            border = mkLiteral "0px";
+            padding = mkLiteral "2px 5px 2px 2px";
+            background-color = mkLiteral config.theme.colors.base00;
+          };
+          "#element-icon.selected" = {
+            background-color = mkLiteral config.theme.colors.base04;
+            text-color = mkLiteral config.theme.colors.base00;
+          };
+
+        };
+        xoffset = 0;
+        yoffset = -20;
+        extraConfig = {
+          show-icons = true;
+          kb-cancel = "Escape,Super+space";
+          modi = "window,run,ssh,emoji,calc,systemd";
+        };
+      };
+
+    };
+
+    launcherCommand = "${pkgs.rofi}/bin/rofi -show run -modi run";
+    systemdSearch = "${pkgs.rofi-systemd}/bin/rofi-systemd";
+    altTabCommand = "${pkgs.rofi}/bin/rofi -show window -modi window";
+
+  };
+
+}
--- a/nixos/graphical/rofi/brightness.sh
+++ b/nixos/graphical/rofi/brightness.sh
@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+# THEME="$HOME/.config/rofi/config.rasi"
+
+ICON_UP=""
+ICON_DOWN=""
+ICON_OPT=""
+options="$ICON_UP\n$ICON_OPT\n$ICON_DOWN"
+chosen="$(echo -e "$options" | rofi -theme-str 'listview { layout:horizontal; }' -dmenu)"
+echo "$chosen"
--- a/nixos/graphical/xorg.nix
+++ b/nixos/graphical/xorg.nix
@ -0,0 +1,85 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+    gtk.theme = {
+      name = lib.mkOption {
+        type = lib.types.str;
+        description = "Theme name for GTK applications";
+      };
+      package = lib.mkOption {
+        type = lib.types.str;
+        description = "Theme package name for GTK applications";
+        default = "gnome-themes-extra";
+      };
+    };
+  };
+
+  config = let
+
+    gtkTheme = {
+      name = config.gtk.theme.name;
+      package = pkgs."${config.gtk.theme.package}";
+    };
+
+  in lib.mkIf (pkgs.stdenv.isLinux && config.gui.enable) {
+
+    # Enable the X11 windowing system.
+    services.xserver = {
+      enable = config.gui.enable;
+
+      # Enable touchpad support
+      libinput.enable = true;
+
+      # Login screen
+      displayManager = {
+        lightdm = {
+          enable = config.services.xserver.enable;
+          background = config.wallpaper;
+
+          # Make the login screen dark
+          greeters.gtk.theme = gtkTheme;
+
+          # Show default user
+          extraSeatDefaults = ''
+            greeter-hide-users = false
+          '';
+
+        };
+      };
+
+    };
+
+    environment.systemPackages = with pkgs;
+      [
+        xclip # Clipboard
+      ];
+
+    # Required for setting GTK theme (for preferred-color-scheme in browser)
+    services.dbus.packages = [ pkgs.dconf ];
+    programs.dconf.enable = true;
+
+    environment.sessionVariables = { GTK_THEME = config.gtk.theme.name; };
+
+    home-manager.users.${config.user} = {
+
+      programs.fish.shellAliases = {
+        pbcopy = "xclip -selection clipboard -in";
+        pbpaste = "xclip -selection clipboard -out";
+      };
+
+      gtk = let
+        gtkExtraConfig = {
+          gtk-application-prefer-dark-theme = config.theme.dark;
+        };
+      in {
+        enable = true;
+        theme = gtkTheme;
+        gtk3.extraConfig = gtkExtraConfig;
+        gtk4.extraConfig = gtkExtraConfig;
+      };
+
+    };
+
+  };
+
+}
--- a/nixos/hardware/audio.nix
+++ b/nixos/hardware/audio.nix
@ -0,0 +1,84 @@
+{ config, pkgs, lib, ... }:
+
+let
+
+  # These micro-scripts change the volume while also triggering the volume
+  # notification widget
+
+  increaseVolume = pkgs.writeShellScriptBin "increaseVolume" ''
+    ${pkgs.pamixer}/bin/pamixer -i 2
+    volume=$(${pkgs.pamixer}/bin/pamixer --get-volume)
+    ${pkgs.volnoti}/bin/volnoti-show $volume
+  '';
+
+  decreaseVolume = pkgs.writeShellScriptBin "decreaseVolume" ''
+    ${pkgs.pamixer}/bin/pamixer -d 2
+    volume=$(${pkgs.pamixer}/bin/pamixer --get-volume)
+    ${pkgs.volnoti}/bin/volnoti-show $volume
+  '';
+
+  toggleMute = pkgs.writeShellScriptBin "toggleMute" ''
+    ${pkgs.pamixer}/bin/pamixer --toggle-mute
+    mute=$(${pkgs.pamixer}/bin/pamixer --get-mute)
+    if [ "$mute" == "true" ]; then
+        ${pkgs.volnoti}/bin/volnoti-show --mute
+    else
+        volume=$(${pkgs.pamixer}/bin/pamixer --get-volume)
+        ${pkgs.volnoti}/bin/volnoti-show $volume
+    fi
+  '';
+
+in {
+
+  config = lib.mkIf (pkgs.stdenv.isLinux && config.gui.enable) {
+    sound.enable = true;
+
+    # Enable PipeWire
+    services.pipewire = {
+      enable = true;
+      pulse.enable = true;
+    };
+
+    # Provides audio source with background noise filtered
+    programs.noisetorch.enable = true;
+
+    # These aren't necessary, but helpful for the user
+    environment.systemPackages = with pkgs; [
+      pamixer # Audio control
+      volnoti # Volume notifications
+    ];
+
+    home-manager.users.${config.user} = {
+
+      # Graphical volume notifications
+      services.volnoti.enable = true;
+
+      xsession.windowManager.i3.config = {
+
+        # Make sure that Volnoti actually starts (home-manager doesn't start
+        # user daemon's automatically)
+        startup = [{
+          command =
+            "systemctl --user restart volnoti --alpha 0.15 --radius 40 --timeout 0.2";
+          always = true;
+          notification = false;
+        }];
+
+        # i3 keybinds for changing the volume
+        keybindings = {
+          "XF86AudioRaiseVolume" =
+            "exec --no-startup-id ${increaseVolume}/bin/increaseVolume";
+          "XF86AudioLowerVolume" =
+            "exec --no-startup-id ${decreaseVolume}/bin/decreaseVolume";
+          "XF86AudioMute" = "exec --no-startup-id ${toggleMute}/bin/toggleMute";
+          # We can mute the mic by adding "--default-source"
+          "XF86AudioMicMute" =
+            "exec --no-startup-id ${pkgs.pamixer}/bin/pamixer --default-source --toggle-mute";
+        };
+
+      };
+
+    };
+  };
+
+}
--- a/nixos/hardware/boot.nix
+++ b/nixos/hardware/boot.nix
@ -0,0 +1,38 @@
+{ config, pkgs, lib, ... }: {
+
+  boot.loader = lib.mkIf (config.physical && pkgs.stdenv.isLinux) {
+    grub = {
+      enable = true;
+
+      # Not sure what this does, but it involves the UEFI/BIOS
+      efiSupport = true;
+
+      # Check for other OSes and make them available
+      useOSProber = true;
+
+      # Attempt to display GRUB on widescreen monitor
+      gfxmodeEfi = "1920x1080";
+
+      # Install GRUB onto the boot disk
+      # device = config.fileSystems."/boot".device;
+
+      # Don't install GRUB, required for UEFI?
+      device = "nodev";
+
+      # Display menu indefinitely if holding shift key
+      extraConfig = ''
+        if keystatus --shift ; then
+            set timeout=-1
+        else
+            set timeout=0
+        fi
+      '';
+    };
+
+    # Always display menu indefinitely; default is 5 seconds
+    # timeout = null;
+
+    # Allows GRUB to interact with the UEFI/BIOS I guess
+    efi.canTouchEfiVariables = true;
+  };
+}
--- a/nixos/hardware/default.nix
+++ b/nixos/hardware/default.nix
@ -0,0 +1,19 @@
+{ lib, ... }: {
+
+  imports = [
+    ./audio.nix
+    ./boot.nix
+    ./keyboard.nix
+    ./monitors.nix
+    ./mouse.nix
+    ./networking.nix
+    ./sleep.nix
+    ./wifi.nix
+  ];
+
+  options = {
+    physical = lib.mkEnableOption "Whether this machine is a physical device.";
+    server = lib.mkEnableOption "Whether this machine is a server.";
+  };
+
+}
--- a/nixos/hardware/keyboard.nix
+++ b/nixos/hardware/keyboard.nix
@ -0,0 +1,16 @@
+{ ... }: {
+
+  services.xserver = {
+
+    layout = "us";
+
+    # Keyboard responsiveness
+    autoRepeatDelay = 250;
+    autoRepeatInterval = 40;
+
+    # Swap escape key with caps lock key
+    xkbOptions = "eurosign:e,caps:swapescape";
+
+  };
+
+}
--- a/nixos/hardware/monitors.nix
+++ b/nixos/hardware/monitors.nix
@ -0,0 +1,54 @@
+{ config, pkgs, lib, ... }: {
+
+  # Timezone required for Redshift schedule
+  imports = [ ../nixos/timezone.nix ];
+
+  config =
+    lib.mkIf (config.gui.enable && config.physical && pkgs.stdenv.isLinux) {
+
+      environment.systemPackages = with pkgs;
+        [
+          ddcutil # Monitor brightness control
+        ];
+
+      # Reduce blue light at night
+      services.redshift = {
+        enable = true;
+        brightness = {
+          day = "1.0";
+          night = "1.0";
+        };
+      };
+
+      # Detect monitors (brightness) for ddcutil
+      hardware.i2c.enable = true;
+
+      # Grant main user access to external monitors
+      users.users.${config.user}.extraGroups = [ "i2c" ];
+
+      services.xserver.displayManager = {
+
+        # Put the login screen on the left monitor
+        lightdm.greeters.gtk.extraConfig = ''
+          active-monitor=0
+        '';
+
+        # Set up screen position and rotation
+        setupCommands = ''
+          ${pkgs.xorg.xrandr}/bin/xrandr --output DisplayPort-0 \
+                                              --mode 1920x1200 \
+                                              --pos 1920x0 \
+                                              --rotate left \
+                                          --output HDMI-0 \
+                                              --primary \
+                                              --mode 1920x1080 \
+                                              --pos 0x560 \
+                                              --rotate normal \
+                                          --output DVI-0 --off \
+                                          --output DVI-1 --off \
+        '';
+      };
+
+    };
+
+}
--- a/nixos/hardware/mouse.nix
+++ b/nixos/hardware/mouse.nix
@ -0,0 +1,22 @@
+{ config, pkgs, lib, ... }: {
+
+  config =
+    lib.mkIf (config.gui.enable && config.physical && pkgs.stdenv.isLinux) {
+
+      # Mouse customization
+      services.ratbagd.enable = true;
+
+      environment.systemPackages = with pkgs; [
+        libratbag # Mouse adjustments
+        piper # Mouse adjustments GUI
+      ];
+
+      services.xserver.libinput.mouse = {
+        # Disable mouse acceleration
+        accelProfile = "flat";
+        accelSpeed = "1.15";
+      };
+
+    };
+
+}
--- a/nixos/hardware/networking.nix
+++ b/nixos/hardware/networking.nix
@ -0,0 +1,14 @@
+{ config, pkgs, lib, ... }: {
+
+  config = lib.mkIf (config.physical && pkgs.stdenv.isLinux) {
+
+    # The global useDHCP flag is deprecated, therefore explicitly set to false here.
+    # Per-interface useDHCP will be mandatory in the future, so this generated config
+    # replicates the default behaviour.
+    networking.useDHCP = false;
+    networking.interfaces.enp0s31f6.useDHCP = true;
+    networking.interfaces.wlp3s0.useDHCP = true;
+
+  };
+
+}
--- a/nixos/hardware/server.nix
+++ b/nixos/hardware/server.nix
@ -0,0 +1,11 @@
+{ config, pkgs, lib, ... }: {
+
+  config = lib.mkIf (pkgs.stdenv.isLinux && config.server) {
+
+    # Servers need a bootloader or they won't start
+    boot.loader.systemd-boot.enable = true;
+    boot.loader.efi.canTouchEfiVariables = true;
+
+  };
+
+}
--- a/nixos/hardware/sleep.nix
+++ b/nixos/hardware/sleep.nix
@ -0,0 +1,12 @@
+{ config, pkgs, lib, ... }: {
+
+  config = lib.mkIf (config.physical && pkgs.stdenv.isLinux) {
+
+    # Prevent wake from keyboard
+    powerManagement.powerDownCommands = ''
+      for wakeup in /sys/bus/usb/devices/1-*/power/wakeup; do echo disabled > $wakeup; done
+    '';
+
+  };
+
+}
--- a/nixos/hardware/wifi.nix
+++ b/nixos/hardware/wifi.nix
@ -0,0 +1,13 @@
+{ config, pkgs, lib, ... }: {
+
+  config = lib.mkIf (config.physical && config.isLinux) {
+
+    # Enables wireless support via wpa_supplicant.
+    networking.wireless.enable = true;
+
+    # Allows the user to control the WiFi settings.
+    networking.wireless.userControlled.enable = true;
+
+  };
+
+}
--- a/nixos/services/backups.nix
+++ b/nixos/services/backups.nix
@ -0,0 +1,67 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+
+    backup.s3 = {
+      endpoint = lib.mkOption {
+        type = lib.types.str;
+        description = "S3 endpoint for backups";
+        default = null;
+      };
+      bucket = lib.mkOption {
+        type = lib.types.str;
+        description = "S3 bucket for backups";
+        default = null;
+      };
+      accessKeyId = lib.mkOption {
+        type = lib.types.str;
+        description = "S3 access key ID for backups";
+        default = null;
+      };
+    };
+
+  };
+
+  config = {
+
+    users.groups.backup = { };
+
+    secrets.backup = {
+      source = ../../private/backup.age;
+      dest = "${config.secretsDirectory}/backup";
+      group = "backup";
+      permissions = "0440";
+    };
+
+    users.users.litestream.extraGroups = [ "backup" ];
+
+    services.litestream = {
+      enable = true;
+      environmentFile = config.secrets.backup.dest;
+    };
+
+    # Wait for secret to exist
+    systemd.services.litestream = {
+      after = [ "backup-secret.service" ];
+      requires = [ "backup-secret.service" ];
+      environment.AWS_ACCESS_KEY_ID = config.backupS3.accessKeyId;
+    };
+
+    # # Backup library to object storage
+    # services.restic.backups.calibre = {
+    #   user = "calibre-web";
+    #   repository =
+    #     "s3://${config.backupS3.endpoint}/${config.backupS3.bucket}/calibre";
+    #   paths = [
+    #     "/var/books"
+    #     "/var/lib/calibre-web/app.db"
+    #     "/var/lib/calibre-web/gdrive.db"
+    #   ];
+    #   initialize = true;
+    #   timerConfig = { OnCalendar = "00:05:00"; };
+    #   environmentFile = backupS3File;
+    # };
+
+  };
+
+}
--- a/nixos/services/caddy.nix
+++ b/nixos/services/caddy.nix
@ -0,0 +1,37 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+    caddy.enable = lib.mkEnableOption "Caddy reverse proxy.";
+    caddy.routes = lib.mkOption {
+      type = lib.types.listOf lib.types.attrs;
+      description = "Caddy JSON routes for http servers";
+      default = [ ];
+    };
+    caddy.blocks = lib.mkOption {
+      type = lib.types.listOf lib.types.attrs;
+      description = "Caddy JSON error blocks for http servers";
+      default = [ ];
+    };
+  };
+
+  config = lib.mkIf (config.caddy.enable && config.caddy.routes != [ ]) {
+
+    services.caddy = {
+      enable = true;
+      adapter = "''"; # Required to enable JSON
+      configFile = pkgs.writeText "Caddyfile" (builtins.toJSON {
+        apps.http.servers.main = {
+          listen = [ ":443" ];
+          routes = config.caddy.routes;
+          errors.routes = config.caddy.blocks;
+        };
+      });
+
+    };
+
+    networking.firewall.allowedTCPPorts = [ 80 443 ];
+    networking.firewall.allowedUDPPorts = [ 443 ];
+
+  };
+
+}
--- a/nixos/services/calibre.nix
+++ b/nixos/services/calibre.nix
@ -0,0 +1,73 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+    bookServer = lib.mkOption {
+      type = lib.types.str;
+      description = "Hostname for Calibre library";
+      default = null;
+    };
+  };
+
+  config = lib.mkIf (config.bookServer != null) {
+
+    services.calibre-web = {
+      enable = true;
+      openFirewall = true;
+      options = {
+        reverseProxyAuth.enable = false;
+        enableBookConversion = true;
+        enableBookUploading = true;
+      };
+    };
+
+    # Fix: https://github.com/janeczku/calibre-web/issues/2422
+    nixpkgs.overlays = [
+      (final: prev: {
+        calibre-web = prev.calibre-web.overrideAttrs (old: {
+          patches = (old.patches or [ ])
+            ++ [ ../../patches/calibre-web-cloudflare.patch ];
+        });
+      })
+    ];
+
+    caddy.routes = [{
+      match = [{ host = [ config.bookServer ]; }];
+      handle = [{
+        handler = "reverse_proxy";
+        upstreams = [{ dial = "localhost:8083"; }];
+        headers.request.add."X-Script-Name" = [ "/calibre-web" ];
+      }];
+    }];
+
+    # Run a backup on a schedule
+    systemd.timers.calibre-backup = {
+      timerConfig = {
+        OnCalendar = "*-*-* 00:00:00"; # Once per day
+        Unit = "calibre-backup.service";
+      };
+      wantedBy = [ "timers.target" ];
+    };
+
+    # Backup Calibre data to object storage
+    systemd.services.calibre-backup =
+      let libraryPath = "/var/lib/calibre-web"; # Default location
+      in {
+        description = "Backup Calibre data";
+        environment.AWS_ACCESS_KEY_ID = config.backupS3.accessKeyId;
+        serviceConfig = {
+          Type = "oneshot";
+          User = "calibre-web";
+          Group = "backup";
+          EnvironmentFile = config.secrets.backup.dest;
+        };
+        script = ''
+          ${pkgs.awscli2}/bin/aws s3 sync \
+              ${libraryPath}/ \
+              s3://${config.backupS3.bucket}/calibre/ \
+              --endpoint-url=https://${config.backupS3.endpoint}
+        '';
+      };
+
+  };
+
+}
--- a/nixos/services/cloudflare.nix
+++ b/nixos/services/cloudflare.nix
@ -0,0 +1,56 @@
+# This module is necessary for hosts that are serving through Cloudflare.
+
+{ config, lib, ... }:
+
+let
+
+  cloudflareIpRanges = [
+
+    # Cloudflare IPv4: https://www.cloudflare.com/ips-v4
+    "173.245.48.0/20"
+    "103.21.244.0/22"
+    "103.22.200.0/22"
+    "103.31.4.0/22"
+    "141.101.64.0/18"
+    "108.162.192.0/18"
+    "190.93.240.0/20"
+    "188.114.96.0/20"
+    "197.234.240.0/22"
+    "198.41.128.0/17"
+    "162.158.0.0/15"
+    "104.16.0.0/13"
+    "104.24.0.0/14"
+    "172.64.0.0/13"
+    "131.0.72.0/22"
+
+    # Cloudflare IPv6: https://www.cloudflare.com/ips-v6
+    "2400:cb00::/32"
+    "2606:4700::/32"
+    "2803:f800::/32"
+    "2405:b500::/32"
+    "2405:8100::/32"
+    "2a06:98c0::/29"
+    "2c0f:f248::/32"
+
+  ];
+
+in {
+
+  options.cloudflare.enable = lib.mkEnableOption "Use Cloudflare.";
+
+  config = lib.mkIf config.cloudflare.enable {
+
+    # Forces Caddy to error if coming from a non-Cloudflare IP
+    caddy.blocks = [{
+      match = [{ not = [{ remote_ip.ranges = cloudflareIpRanges; }]; }];
+      handle = [{
+        handler = "static_response";
+        abort = true;
+      }];
+    }];
+
+    # Allows Nextcloud to trust Cloudflare IPs
+    services.nextcloud.config.trustedProxies = cloudflareIpRanges;
+
+  };
+}
--- a/nixos/services/default.nix
+++ b/nixos/services/default.nix
@ -0,0 +1,25 @@
+{ ... }: {
+
+  imports = [
+    ./backups.nix
+    ./caddy.nix
+    ./calibre.nix
+    ./cloudflare.nix
+    ./gitea.nix
+    ./gnupg.nix
+    ./honeypot.nix
+    ./jellyfin.nix
+    ./keybase.nix
+    ./mullvad.nix
+    ./n8n.nix
+    ./netdata.nix
+    ./nextcloud.nix
+    ./prometheus.nix
+    ./secrets.nix
+    ./sshd.nix
+    ./transmission.nix
+    ./vaultwarden.nix
+    ./wireguard.nix
+  ];
+
+}
--- a/nixos/services/gitea.nix
+++ b/nixos/services/gitea.nix
@ -0,0 +1,92 @@
+{ config, lib, ... }:
+
+let giteaPath = "/var/lib/gitea"; # Default service directory
+
+in {
+
+  options = {
+
+    giteaServer = lib.mkOption {
+      description = "Hostname for Gitea.";
+      type = lib.types.str;
+      default = null;
+    };
+
+  };
+
+  config = lib.mkIf (config.giteaServer != null) {
+    services.gitea = {
+      enable = true;
+      httpPort = 3001;
+      httpAddress = "127.0.0.1";
+      rootUrl = "https://${config.giteaServer}/";
+      database.type = "sqlite3";
+      settings = {
+        repository = {
+          DEFAULT_PUSH_CREATE_PRIVATE = true;
+          DISABLE_HTTP_GIT = false;
+          ACCESS_CONTROL_ALLOW_ORIGIN = config.giteaServer;
+          ENABLE_PUSH_CREATE_USER = true;
+          ENABLE_PUSH_CREATE_ORG = true;
+          DEFAULT_BRANCH = "main";
+        };
+        server = {
+          SSH_PORT = 22;
+          START_SSH_SERVER = false; # Use sshd instead
+          DISABLE_SSH = false;
+          # SSH_LISTEN_HOST = "0.0.0.0";
+          # SSH_LISTEN_PORT = 122;
+        };
+        service.DISABLE_REGISTRATION = true;
+        session.COOKIE_SECURE = true;
+        ui.SHOW_USER_EMAIL = false;
+      };
+      extraConfig = null;
+    };
+
+    networking.firewall.allowedTCPPorts = [ 122 ];
+
+    caddy.routes = [{
+      match = [{ host = [ config.giteaServer ]; }];
+      handle = [{
+        handler = "reverse_proxy";
+        upstreams = [{ dial = "localhost:3001"; }];
+      }];
+    }];
+
+    ## Backup config
+
+    # Open to groups, allowing for backups
+    systemd.services.gitea.serviceConfig.StateDirectoryMode =
+      lib.mkForce "0770";
+    systemd.tmpfiles.rules = [
+      "d ${giteaPath}/data 0775 gitea gitea"
+      "f ${giteaPath}/data/gitea.db 0660 gitea gitea"
+    ];
+
+    # Allow litestream and gitea to share a sqlite database
+    users.users.litestream.extraGroups = [ "gitea" ];
+    users.users.gitea.extraGroups = [ "litestream" ];
+
+    # Backup sqlite database with litestream
+    services.litestream = {
+      settings = {
+        dbs = [{
+          path = "${giteaPath}/data/gitea.db";
+          replicas = [{
+            url =
+              "s3://${config.backupS3.bucket}.${config.backupS3.endpoint}/gitea";
+          }];
+        }];
+      };
+    };
+
+    # Don't start litestream unless gitea is up
+    systemd.services.litestream = {
+      after = [ "gitea.service" ];
+      requires = [ "gitea.service" ];
+    };
+
+  };
+
+}
--- a/nixos/services/gnupg.nix
+++ b/nixos/services/gnupg.nix
@ -0,0 +1,18 @@
+{ config, pkgs, lib, ... }: {
+
+  options.gpg.enable = lib.mkEnableOption "GnuPG encryption.";
+
+  config.home-manager.users.${config.user} = lib.mkIf config.gpg.enable {
+    programs.gpg.enable = true;
+    services.gpg-agent = {
+      enable = true;
+      defaultCacheTtl = 86400; # Resets when used
+      defaultCacheTtlSsh = 86400; # Resets when used
+      maxCacheTtl = 34560000; # Can never reset
+      maxCacheTtlSsh = 34560000; # Can never reset
+      pinentryFlavor = "tty";
+    };
+    home = lib.mkIf config.gui.enable { packages = with pkgs; [ pinentry ]; };
+  };
+
+}
--- a/nixos/services/honeypot.nix
+++ b/nixos/services/honeypot.nix
@ -0,0 +1,77 @@
+{ config, lib, pkgs, ... }:
+
+# Currently has some issues that don't make this viable.
+
+# Taken from:
+# https://dataswamp.org/~solene/2022-09-29-iblock-implemented-in-nixos.html
+
+# You will need to flush all rules when removing:
+# https://serverfault.com/questions/200635/best-way-to-clear-all-iptables-rules
+
+let
+
+  portsToBlock = [ 25545 25565 25570 ];
+  portsString =
+    builtins.concatStringsSep "," (builtins.map builtins.toString portsToBlock);
+
+  # Block IPs for 20 days
+  expire = 60 * 60 * 24 * 20;
+
+  rules = table: [
+    "INPUT -i eth0 -p tcp -m multiport --dports ${portsString} -m state --state NEW -m recent --set"
+    "INPUT -i eth0 -p tcp -m multiport --dports ${portsString} -m state --state NEW -m recent --update --seconds 10 --hitcount 1 -j SET --add-set ${table} src"
+    "INPUT -i eth0 -p tcp -m set --match-set ${table} src -j nixos-fw-refuse"
+    "INPUT -i eth0 -p udp -m set --match-set ${table} src -j nixos-fw-refuse"
+  ];
+
+  create-rules = lib.concatStringsSep "\n"
+    (builtins.map (rule: "iptables -C " + rule + " || iptables -A " + rule)
+      (rules "blocked") ++ builtins.map
+      (rule: "ip6tables -C " + rule + " || ip6tables -A " + rule)
+      (rules "blocked6"));
+
+  delete-rules = lib.concatStringsSep "\n"
+    (builtins.map (rule: "iptables -C " + rule + " && iptables -D " + rule)
+      (rules "blocked") ++ builtins.map
+      (rule: "ip6tables -C " + rule + " && ip6tables -D " + rule)
+      (rules "blocked6"));
+
+in {
+
+  options.honeypot.enable = lib.mkEnableOption "Honeypot fail2ban system.";
+
+  config.networking.firewall = lib.mkIf config.honeypot.enable {
+
+    extraPackages = [ pkgs.ipset ];
+    # allowedTCPPorts = portsToBlock;
+
+    # Restore ban list when starting up
+    extraCommands = ''
+      if test -f /var/lib/ipset.conf
+      then
+          ipset restore -! < /var/lib/ipset.conf
+      else
+          ipset -exist create blocked hash:ip ${
+            if expire > 0 then "timeout ${toString expire}" else ""
+          }
+          ipset -exist create blocked6 hash:ip family inet6 ${
+            if expire > 0 then "timeout ${toString expire}" else ""
+          }
+      fi
+      ${create-rules}
+    '';
+
+    # Save list when shutting down
+    extraStopCommands = ''
+      ipset -exist create blocked hash:ip ${
+        if expire > 0 then "timeout ${toString expire}" else ""
+      }
+      ipset -exist create blocked6 hash:ip family inet6 ${
+        if expire > 0 then "timeout ${toString expire}" else ""
+      }
+      ipset save > /var/lib/ipset.conf
+      ${delete-rules}
+    '';
+  };
+
+}
--- a/nixos/services/jellyfin.nix
+++ b/nixos/services/jellyfin.nix
@ -0,0 +1,31 @@
+{ config, lib, ... }: {
+
+  options = {
+    streamServer = lib.mkOption {
+      type = lib.types.str;
+      description = "Hostname for Jellyfin library";
+      default = null;
+    };
+  };
+
+  config = lib.mkIf (config.streamServer != null) {
+
+    services.jellyfin.enable = true;
+
+    caddy.routes = [{
+      match = [{ host = [ config.streamServer ]; }];
+      handle = [{
+        handler = "reverse_proxy";
+        upstreams = [{ dial = "localhost:8096"; }];
+      }];
+    }];
+
+    # Create videos directory, allow anyone in Jellyfin group to manage it
+    systemd.tmpfiles.rules = [
+      "d /var/lib/jellyfin 0775 jellyfin jellyfin"
+      "d /var/lib/jellyfin/library 0775 jellyfin jellyfin"
+    ];
+
+  };
+
+}
--- a/nixos/services/keybase.nix
+++ b/nixos/services/keybase.nix
@ -0,0 +1,34 @@
+{ config, pkgs, lib, ... }: {
+
+  options.keybase.enable = lib.mkEnableOption "Keybase.";
+
+  config = lib.mkIf config.keybase.enable {
+
+    services.keybase.enable = true;
+    services.kbfs = {
+      enable = true;
+      # enableRedirector = true;
+      mountPoint = "/run/user/1000/keybase/kbfs";
+    };
+    security.wrappers.keybase-redirector = {
+      setuid = true;
+      owner = "root";
+      group = "root";
+      source = "${pkgs.kbfs}/bin/redirector";
+    };
+
+    home-manager.users.${config.user} = {
+      home.packages = [ (lib.mkIf config.gui.enable pkgs.keybase-gui) ];
+      home.file = let
+        ignorePatterns = ''
+          keybase/
+          kbfs/'';
+      in {
+        ".rgignore".text = ignorePatterns;
+        ".fdignore".text = ignorePatterns;
+      };
+    };
+
+  };
+
+}
--- a/nixos/services/mullvad.nix
+++ b/nixos/services/mullvad.nix
@ -0,0 +1,12 @@
+{ config, pkgs, lib, ... }: {
+
+  options.mullvad.enable = lib.mkEnableOption "Mullvad VPN.";
+
+  config = lib.mkIf config.mullvad.enable {
+
+    services.mullvad-vpn.enable = true;
+    environment.systemPackages = [ pkgs.mullvad-vpn ];
+
+  };
+
+}
--- a/nixos/services/n8n.nix
+++ b/nixos/services/n8n.nix
@ -0,0 +1,33 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+    n8nServer = lib.mkOption {
+      type = lib.types.str;
+      description = "Hostname for n8n automation";
+      default = null;
+    };
+  };
+
+  config = lib.mkIf (config.n8nServer != null) {
+
+    services.n8n = {
+      enable = true;
+      settings = {
+        n8n = {
+          listenAddress = "127.0.0.1";
+          port = 5678;
+        };
+      };
+    };
+
+    caddy.routes = [{
+      match = [{ host = [ config.n8nServer ]; }];
+      handle = [{
+        handler = "reverse_proxy";
+        upstreams = [{ dial = "localhost:5678"; }];
+      }];
+    }];
+
+  };
+
+}
--- a/nixos/services/netdata.nix
+++ b/nixos/services/netdata.nix
@ -0,0 +1,16 @@
+{ config, pkgs, lib, ... }: {
+
+  options.netdata.enable = lib.mkEnableOption "Netdata metrics.";
+
+  config = lib.mkIf config.netdata.enable {
+
+    services.netdata = {
+      enable = true;
+
+      # Disable local dashboard (unsecured)
+      config = { web.mode = "none"; };
+    };
+
+  };
+
+}
--- a/nixos/services/nextcloud.nix
+++ b/nixos/services/nextcloud.nix
@ -0,0 +1,86 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+
+    nextcloudServer = lib.mkOption {
+      type = lib.types.str;
+      description = "Hostname for Nextcloud";
+      default = null;
+    };
+
+  };
+
+  config = lib.mkIf (config.nextcloudServer != null) {
+
+    services.nextcloud = {
+      enable = true;
+      package = pkgs.nextcloud25; # Required to specify
+      https = true;
+      hostName = "localhost";
+      maxUploadSize = "50G";
+      config = {
+        adminpassFile = config.secrets.nextcloud.dest;
+        extraTrustedDomains = [ config.nextcloudServer ];
+      };
+    };
+
+    # Don't let Nginx use main ports (using Caddy instead)
+    services.nginx.virtualHosts."localhost".listen = [{
+      addr = "127.0.0.1";
+      port = 8080;
+    }];
+
+    # Point Caddy to Nginx
+    caddy.routes = [{
+      match = [{ host = [ config.nextcloudServer ]; }];
+      handle = [{
+        handler = "reverse_proxy";
+        upstreams = [{ dial = "localhost:8080"; }];
+      }];
+    }];
+
+    # Create credentials file for nextcloud
+    secrets.nextcloud = {
+      source = ../../private/nextcloud.age;
+      dest = "${config.secretsDirectory}/nextcloud";
+      owner = "nextcloud";
+      group = "nextcloud";
+      permissions = "0440";
+    };
+    systemd.services.nextcloud-secret = {
+      requiredBy = [ "nextcloud-setup.service" ];
+      before = [ "nextcloud-setup.service" ];
+    };
+
+    ## Backup config
+
+    # Open to groups, allowing for backups
+    systemd.services.phpfpm-nextcloud.serviceConfig.StateDirectoryMode =
+      lib.mkForce "0770";
+
+    # Allow litestream and nextcloud to share a sqlite database
+    users.users.litestream.extraGroups = [ "nextcloud" ];
+    users.users.nextcloud.extraGroups = [ "litestream" ];
+
+    # Backup sqlite database with litestream
+    services.litestream = {
+      settings = {
+        dbs = [{
+          path = "${config.services.nextcloud.datadir}/data/nextcloud.db";
+          replicas = [{
+            url =
+              "s3://${config.backupS3.bucket}.${config.backupS3.endpoint}/nextcloud";
+          }];
+        }];
+      };
+    };
+
+    # Don't start litestream unless nextcloud is up
+    systemd.services.litestream = {
+      after = [ "phpfpm-nextcloud.service" ];
+      requires = [ "phpfpm-nextcloud.service" ];
+    };
+
+  };
+
+}
--- a/nixos/services/prometheus.nix
+++ b/nixos/services/prometheus.nix
@ -0,0 +1,35 @@
+{ config, pkgs, lib, ... }: {
+
+  options.metricsServer = lib.mkOption {
+    type = lib.types.str;
+    description = "Hostname of the Grafana server.";
+    default = null;
+  };
+
+  config = lib.mkIf (config.metricsServer != null) {
+
+    services.grafana.enable = true;
+
+    # Required to fix error in latest nixpkgs
+    services.grafana.settings = { };
+
+    services.prometheus = {
+      enable = true;
+      exporters.node.enable = true;
+      scrapeConfigs = [{
+        job_name = "local";
+        static_configs = [{ targets = [ "127.0.0.1:9100" ]; }];
+      }];
+    };
+
+    caddy.routes = [{
+      match = [{ host = [ config.metricsServer ]; }];
+      handle = [{
+        handler = "reverse_proxy";
+        upstreams = [{ dial = "localhost:3000"; }];
+      }];
+    }];
+
+  };
+
+}
--- a/nixos/services/secrets.nix
+++ b/nixos/services/secrets.nix
@ -0,0 +1,91 @@
+# Secrets management method taken from here:
+# https://xeiaso.net/blog/nixos-encrypted-secrets-2021-01-20
+
+# In my case, I pre-encrypt my secrets and commit them to git.
+
+{ config, pkgs, lib, ... }: {
+
+  options = {
+
+    secretsDirectory = lib.mkOption {
+      type = lib.types.str;
+      description = "Default path to place secrets.";
+      default = "/var/private";
+    };
+
+    secrets = lib.mkOption {
+      type = lib.types.attrsOf (lib.types.submodule {
+        options = {
+          source = lib.mkOption {
+            type = lib.types.path;
+            description = "Path to encrypted secret.";
+          };
+          dest = lib.mkOption {
+            type = lib.types.str;
+            description = "Resulting path for decrypted secret.";
+          };
+          owner = lib.mkOption {
+            default = "root";
+            type = lib.types.str;
+            description = "User to own the secret.";
+          };
+          group = lib.mkOption {
+            default = "root";
+            type = lib.types.str;
+            description = "Group to own the secret.";
+          };
+          permissions = lib.mkOption {
+            default = "0400";
+            type = lib.types.str;
+            description = "Permissions expressed as octal.";
+          };
+        };
+      });
+      description = "Set of secrets to decrypt to disk.";
+      default = { };
+    };
+
+  };
+
+  config = lib.mkIf (pkgs.stdenv.isLinux && !config.wsl.enable) {
+
+    # Create a default directory to place secrets
+
+    systemd.tmpfiles.rules = [ "d ${config.secretsDirectory} 0755 root wheel" ];
+
+    # Declare oneshot service to decrypt secret using SSH host key
+    # - Requires that the secret is already encrypted for the host
+    # - Encrypt secrets: nix run github:nmasur/dotfiles#encrypt-secret
+
+    systemd.services = lib.mapAttrs' (name: attrs: {
+      name = "${name}-secret";
+      value = {
+
+        description = "Decrypt secret for ${name}";
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig.Type = "oneshot";
+        script = ''
+          ${pkgs.age}/bin/age --decrypt \
+            --identity ${config.identityFile} \
+            --output ${attrs.dest} \
+            ${attrs.source}
+
+          chown '${attrs.owner}':'${attrs.group}' '${attrs.dest}'
+          chmod '${attrs.permissions}' '${attrs.dest}'
+        '';
+
+      };
+    }) config.secrets;
+
+    # Example declaration
+    # config.secrets.my-secret = {
+    #   source = ../../private/my-secret.age;
+    #   dest = "/var/lib/private/my-secret";
+    #   owner = "my-app";
+    #   group = "my-app";
+    #   permissions = "0440";
+    # };
+
+  };
+
+}
--- a/nixos/services/sshd.nix
+++ b/nixos/services/sshd.nix
@ -0,0 +1,36 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+    publicKey = lib.mkOption {
+      type = lib.types.str;
+      description = "Public SSH key authorized for this system.";
+    };
+    permitRootLogin = lib.mkOption {
+      type = lib.types.str;
+      description = "Root login settings.";
+      default = "no";
+    };
+  };
+
+  config = lib.mkIf (pkgs.stdenv.isLinux && !config.wsl.enable) {
+    services.openssh = {
+      enable = true;
+      ports = [ 22 ];
+      passwordAuthentication = false;
+      gatewayPorts = "no";
+      forwardX11 = false;
+      allowSFTP = true;
+      permitRootLogin = config.permitRootLogin;
+    };
+
+    users.users.${config.user}.openssh.authorizedKeys.keys =
+      [ config.publicKey ];
+
+    # Implement a simple fail2ban service for sshd
+    services.sshguard.enable = true;
+
+    # Add terminfo for SSH from popular terminal emulators
+    environment.enableAllTerminfo = true;
+  };
+
+}
--- a/nixos/services/transmission.nix
+++ b/nixos/services/transmission.nix
@ -0,0 +1,82 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+    transmissionServer = lib.mkOption {
+      type = lib.types.str;
+      description = "Hostname for Transmission";
+      default = null;
+    };
+  };
+
+  config = let
+    namespace = config.networking.wireguard.interfaces.wg0.interfaceNamespace;
+    vpnIp = lib.strings.removeSuffix "/32"
+      (builtins.head config.networking.wireguard.interfaces.wg0.ips);
+  in lib.mkIf (config.wireguard.enable && config.transmissionServer != null) {
+
+    # Setup transmission
+    services.transmission = {
+      enable = true;
+      settings = {
+        port-forwarding-enabled = false;
+        rpc-authentication-required = true;
+        rpc-port = 9091;
+        rpc-bind-address = "0.0.0.0";
+        rpc-username = config.user;
+        rpc-host-whitelist = config.transmissionServer;
+        rpc-host-whitelist-enabled = true;
+        rpc-whitelist = "127.0.0.1,${vpnIp}";
+        rpc-whitelist-enabled = true;
+      };
+      credentialsFile = config.secrets.transmission.dest;
+    };
+
+    # Bind transmission to wireguard namespace
+    systemd.services.transmission = {
+      bindsTo = [ "netns@${namespace}.service" ];
+      requires = [ "network-online.target" "transmission-secret.service" ];
+      after = [ "wireguard-wg0.service" "transmission-secret.service" ];
+      unitConfig.JoinsNamespaceOf = "netns@${namespace}.service";
+      serviceConfig.NetworkNamespacePath = "/var/run/netns/${namespace}";
+    };
+
+    # Create reverse proxy for web UI
+    caddy.routes = [{
+      match = [{ host = [ config.transmissionServer ]; }];
+      handle = [{
+        handler = "reverse_proxy";
+        upstreams = [{ dial = "localhost:9091"; }];
+      }];
+    }];
+
+    # Caddy and Transmission both try to set rmem_max for larger UDP packets.
+    # We will choose Transmission's recommendation (4 MB).
+    boot.kernel.sysctl."net.core.rmem_max" = 4194304;
+
+    # Allow inbound connections to reach namespace
+    systemd.services.transmission-web-netns = {
+      description = "Forward to transmission in wireguard namespace";
+      requires = [ "transmission.service" ];
+      after = [ "transmission.service" ];
+      serviceConfig = {
+        Restart = "on-failure";
+        TimeoutStopSec = 300;
+      };
+      wantedBy = [ "multi-user.target" ];
+      script = ''
+        ${pkgs.iproute2}/bin/ip netns exec ${namespace} ${pkgs.iproute2}/bin/ip link set dev lo up
+        ${pkgs.socat}/bin/socat tcp-listen:9091,fork,reuseaddr exec:'${pkgs.iproute2}/bin/ip netns exec ${namespace} ${pkgs.socat}/bin/socat STDIO "tcp-connect:${vpnIp}:9091"',nofork
+      '';
+    };
+
+    # Create credentials file for transmission
+    secrets.transmission = {
+      source = ../../private/transmission.json.age;
+      dest = "${config.secretsDirectory}/transmission.json";
+      owner = "transmission";
+      group = "transmission";
+    };
+
+  };
+
+}
--- a/nixos/services/vaultwarden.nix
+++ b/nixos/services/vaultwarden.nix
@ -0,0 +1,123 @@
+{ config, pkgs, lib, ... }:
+
+let vaultwardenPath = "/var/lib/bitwarden_rs"; # Default service directory
+
+in {
+
+  options = {
+
+    vaultwardenServer = lib.mkOption {
+      description = "Hostname for Vaultwarden.";
+      type = lib.types.str;
+      default = null;
+    };
+
+  };
+
+  config = lib.mkIf (config.vaultwardenServer != null) {
+    services.vaultwarden = {
+      enable = true;
+      config = {
+        DOMAIN = "https://${config.vaultwardenServer}";
+        SIGNUPS_ALLOWED = false;
+        SIGNUPS_VERIFY = true;
+        INVITATIONS_ALLOWED = true;
+        WEB_VAULT_ENABLED = true;
+        ROCKET_ADDRESS = "127.0.0.1";
+        ROCKET_PORT = 8222;
+        WEBSOCKET_ENABLED = true;
+        WEBSOCKET_ADDRESS = "0.0.0.0";
+        WEBSOCKET_PORT = 3012;
+        LOGIN_RATELIMIT_SECONDS = 60;
+        LOGIN_RATELIMIT_MAX_BURST = 10;
+        ADMIN_RATELIMIT_SECONDS = 300;
+        ADMIN_RATELIMIT_MAX_BURST = 3;
+      };
+      environmentFile = config.secrets.vaultwarden.dest;
+      dbBackend = "sqlite";
+    };
+
+    secrets.vaultwarden = {
+      source = ../../private/vaultwarden.age;
+      dest = "${config.secretsDirectory}/vaultwarden";
+      owner = "vaultwarden";
+      group = "vaultwarden";
+    };
+
+    networking.firewall.allowedTCPPorts = [ 3012 ];
+
+    caddy.routes = [{
+      match = [{ host = [ config.vaultwardenServer ]; }];
+      handle = [{
+        handler = "reverse_proxy";
+        upstreams = [{ dial = "localhost:8222"; }];
+        headers.request.add."X-Real-IP" = [ "{http.request.remote.host}" ];
+      }];
+    }];
+
+    ## Backup config
+
+    # Open to groups, allowing for backups
+    systemd.services.vaultwarden.serviceConfig.StateDirectoryMode =
+      lib.mkForce "0770";
+    systemd.tmpfiles.rules = [
+      "f ${vaultwardenPath}/db.sqlite3 0660 vaultwarden vaultwarden"
+      "f ${vaultwardenPath}/db.sqlite3-shm 0660 vaultwarden vaultwarden"
+      "f ${vaultwardenPath}/db.sqlite3-wal 0660 vaultwarden vaultwarden"
+    ];
+
+    # Allow litestream and vaultwarden to share a sqlite database
+    users.users.litestream.extraGroups = [ "vaultwarden" ];
+    users.users.vaultwarden.extraGroups = [ "litestream" ];
+
+    # Backup sqlite database with litestream
+    services.litestream = {
+      settings = {
+        dbs = [{
+          path = "${vaultwardenPath}/db.sqlite3";
+          replicas = [{
+            url =
+              "s3://${config.backupS3.bucket}.${config.backupS3.endpoint}/vaultwarden";
+          }];
+        }];
+      };
+    };
+
+    # Don't start litestream unless vaultwarden is up
+    systemd.services.litestream = {
+      after = [ "vaultwarden.service" ];
+      requires = [ "vaultwarden.service" ];
+    };
+
+    # Run a separate file backup on a schedule
+    systemd.timers.vaultwarden-backup = {
+      timerConfig = {
+        OnCalendar = "*-*-* 06:00:00"; # Once per day
+        Unit = "vaultwarden-backup.service";
+      };
+      wantedBy = [ "timers.target" ];
+    };
+
+    # Backup other Vaultwarden data to object storage
+    systemd.services.vaultwarden-backup = {
+      description = "Backup Vaultwarden files";
+      environment.AWS_ACCESS_KEY_ID = config.backupS3.accessKeyId;
+      serviceConfig = {
+        Type = "oneshot";
+        User = "vaultwarden";
+        Group = "backup";
+        EnvironmentFile = config.secrets.backup.dest;
+      };
+      script = ''
+        ${pkgs.awscli2}/bin/aws s3 sync \
+            ${vaultwardenPath}/ \
+            s3://${config.backupS3.bucket}/vaultwarden/ \
+            --endpoint-url=https://${config.backupS3.endpoint} \
+            --exclude "*db.sqlite3*" \
+            --exclude ".db.sqlite3*"
+      '';
+    };
+
+  };
+
+}
--- a/nixos/services/wireguard.nix
+++ b/nixos/services/wireguard.nix
@ -0,0 +1,44 @@
+{ config, pkgs, lib, ... }: {
+
+  options.wireguard.enable = lib.mkEnableOption "Wireguard VPN setup.";
+
+  config = lib.mkIf (pkgs.stdenv.isLinux && config.wireguard.enable) {
+
+    networking.wireguard = {
+      enable = true;
+      interfaces = {
+        wg0 = {
+
+          # Establishes identity of this machine
+          generatePrivateKeyFile = false;
+          privateKeyFile = config.secrets.wireguard.dest;
+
+          # Move to network namespace for isolating programs
+          interfaceNamespace = "wg";
+
+        };
+      };
+    };
+
+    # Create namespace for Wireguard
+    # This allows us to isolate specific programs to Wireguard
+    systemd.services."netns@" = {
+      description = "%I network namespace";
+      before = [ "network.target" ];
+      serviceConfig = {
+        Type = "oneshot";
+        RemainAfterExit = true;
+        ExecStart = "${pkgs.iproute2}/bin/ip netns add %I";
+        ExecStop = "${pkgs.iproute2}/bin/ip netns del %I";
+      };
+    };
+
+    # Create private key file for wireguard
+    secrets.wireguard = {
+      source = ../../private/wireguard.age;
+      dest = "${config.secretsDirectory}/wireguard";
+    };
+
+  };
+
+}
--- a/nixos/system/default.nix
+++ b/nixos/system/default.nix
@ -0,0 +1,13 @@
+{ config, pkgs, lib, ... }: {
+
+  imports = [ ./user.nix ./timezone.nix ./doas.nix ];
+
+  config = lib.mkIf pkgs.stdenv.isLinux {
+
+    # Pin a state version to prevent warnings
+    system.stateVersion =
+      config.home-manager.users.${config.user}.home.stateVersion;
+
+  };
+
+}
--- a/nixos/system/doas.nix
+++ b/nixos/system/doas.nix
@ -0,0 +1,35 @@
+# Replace sudo with doas
+
+{ config, pkgs, lib, ... }: {
+
+  config = lib.mkIf pkgs.stdenv.isLinux {
+
+    security = {
+
+      # Remove sudo
+      sudo.enable = false;
+
+      # Add doas
+      doas = {
+        enable = true;
+
+        # No password required
+        wheelNeedsPassword = false;
+
+        # Pass environment variables from user to root
+        # Also requires removing password here
+        extraRules = [{
+          groups = [ "wheel" ];
+          noPass = true;
+          keepEnv = true;
+        }];
+      };
+    };
+
+    home-manager.users.${config.user}.programs.fish.shellAliases = {
+      sudo = "doas";
+    };
+
+  };
+
+}
--- a/nixos/system/timezone.nix
+++ b/nixos/system/timezone.nix
@ -0,0 +1,19 @@
+{ config, pkgs, lib, ... }: {
+
+  config = lib.mkIf pkgs.stdenv.isLinux {
+
+    # Service to determine location for time zone
+    services.geoclue2.enable = true;
+    services.geoclue2.enableWifi = false; # Breaks when it can't connect
+    location = { provider = "geoclue2"; };
+
+    # Enable local time based on time zone
+    services.localtimed.enable = true;
+
+    # Required to get localtimed to talk to geoclue2
+    services.geoclue2.appConfig.localtimed.isSystem = true;
+    services.geoclue2.appConfig.localtimed.isAllowed = true;
+
+  };
+
+}
--- a/nixos/system/user.nix
+++ b/nixos/system/user.nix
@ -0,0 +1,52 @@
+{ config, pkgs, lib, ... }: {
+
+  options = {
+
+    passwordHash = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      description = "Password created with mkpasswd -m sha-512";
+      default = null;
+      # Test it by running: mkpasswd -m sha-512 --salt "PZYiMGmJIIHAepTM"
+    };
+
+  };
+
+  config = lib.mkIf (pkgs.stdenv.isLinux) {
+
+    # Allows us to declaritively set password
+    users.mutableUsers = false;
+
+    # Define a user account. Don't forget to set a password with ‘passwd’.
+    users.users.${config.user} = {
+
+      # Create a home directory for human user
+      isNormalUser = true;
+
+      # Automatically create a password to start
+      hashedPassword = config.passwordHash;
+
+      extraGroups = [
+        "wheel" # Sudo privileges
+      ];
+
+    };
+
+    home-manager.users.${config.user}.xdg = {
+      userDirs = {
+        enable = true;
+        createDirectories = true;
+        documents = "$HOME/documents";
+        download = config.userDirs.download;
+        music = "$HOME/media/music";
+        pictures = "$HOME/media/images";
+        videos = "$HOME/media/videos";
+        desktop = "$HOME/other/desktop";
+        publicShare = "$HOME/other/public";
+        templates = "$HOME/other/templates";
+        extraConfig = { XDG_DEV_DIR = "$HOME/dev"; };
+      };
+    };
+
+  };
+
+}
--- a/nixos/wsl/default.nix
+++ b/nixos/wsl/default.nix
@ -0,0 +1,23 @@
+{ config, pkgs, lib, ... }: {
+
+  config = lib.mkIf (pkgs.stdenv.isLinux && config.wsl.enable) {
+
+    # Systemd doesn't work in WSL so these must be disabled
+    services.geoclue2.enable = lib.mkForce false;
+    location = { provider = lib.mkForce "manual"; };
+    services.localtimed.enable = lib.mkForce false;
+
+    # Used by NeoVim for clipboard sharing with Windows
+    # home-manager.users.${config.user}.home.sessionPath =
+    #   [ "/mnt/c/Program Files/win32yank/" ];
+
+    # Replace config directory with our repo, since it sources from config on
+    # every launch
+    system.activationScripts.configDir.text = ''
+      rm -rf /etc/nixos
+      ln --symbolic --no-dereference --force ${config.dotfilesPath} /etc/nixos
+    '';
+
+  };
+
+}