modules/mosh.sys.nix

@@ -2,24 +2,12 @@
 , lib
 , config
 , ...
-}:
+}: {
-let cfg = config.mod.mosh; in
+  environment.systemPackages = [ pkgs.mosh ];
-{
+  networking.firewall = lib.mkIf config.networking.firewall.enable {
-  options.mod.mosh = {
+    allowedUDPPortRanges = [
-    enable = lib.mkOption {
+      { from = 60000; to = 61000; } # mosh
-      type = lib.types.bool;
+    ];
-      description = "enable mosh";
-      default = true;
-      example = false;
-    };
-  };
-  config = lib.mkIf cfg.enable {
-    environment.systemPackages = [ pkgs.mosh ];
-    networking.firewall = lib.mkIf config.networking.firewall.enable {
-      allowedUDPPortRanges = [
-        { from = 60000; to = 61000; } # mosh
-      ];
-    };
   };
 }
 

modules/tailscale.sys.nix

@@ -2,53 +2,48 @@
 , config
 , lib
 , ...
-}: let cfg = config.mod.tailscale; in {
+}: {
-  options.mod.tailscale = { 
+  environment.systemPackages = [ pkgs.tailscale ];
-    enable = lib.mkEnableOption "tailscale";
+  services.tailscale.enable = true;
+
+  systemd.services.tailscale-autoconnect = {
+    description = "Automatically connects to Tailscale";
+
+    # make sure tailscale is running before trying to connect to tailscale
+    after = [ "network-pre.target" "tailscale.service" ];
+    wants = [ "network-pre.target" "tailscale.service" ];
+    wantedBy = [ "multi-user.target" ];
+
+    # set this service as a oneshot job
+    serviceConfig.Type = "oneshot";
+
+    # have the job run this shell script
+    script = ''
+      # wait for tailscaled to settle
+      sleep 2
+      # check if we are already authenticated to tailscale
+      status="$(${pkgs.tailscale}/bin/tailscale status -json | ${pkgs.jq}/bin/jq -r .BackendState)"
+      if [ $status = "Running" ]; then # if so, then do nothing
+        exit 0
+      fi
+
+      # ${pkgs.tailscale}/bin/tailscale up # blocks, doesn't give url
+      # This time, configure device auth so that we authenticate from portal
+      # https://tailscale.com/kb/1099/device-authorization/#enable-device-authorization-for-your-network 
+      ${pkgs.tailscale}/bin/tailscale up -authkey tskey-auth-kJcgTG5CNTRL-PUVFkk31z1bThHpfq3FC5b1jcMmkW2EYW
+    '';
   };
-  config = lib.mkIf cfg.enable {
-    environment.systemPackages = [ pkgs.tailscale ];
-    services.tailscale.enable = true;
 
-    systemd.services.tailscale-autoconnect = {
+  networking.firewall = lib.mkIf config.networking.firewall.enable {
-      description = "Automatically connects to Tailscale";
+    trustedInterfaces = [
-
+      "tailscale0"
-      # make sure tailscale is running before trying to connect to tailscale
+    ];
-      after = [ "network-pre.target" "tailscale.service" ];
+    allowedUDPPorts = [
-      wants = [ "network-pre.target" "tailscale.service" ];
+      config.services.tailscale.port
-      wantedBy = [ "multi-user.target" ];
+    ];
-
+    allowedTCPPorts = [
-      # set this service as a oneshot job
+      22
-      serviceConfig.Type = "oneshot";
+    ];
-
+    checkReversePath = "loose";
-      # have the job run this shell script
-      script = ''
-        # wait for tailscaled to settle
-        sleep 2
-        # check if we are already authenticated to tailscale
-        status="$(${pkgs.tailscale}/bin/tailscale status -json | ${pkgs.jq}/bin/jq -r .BackendState)"
-        if [ $status = "Running" ]; then # if so, then do nothing
-          exit 0
-        fi
-
-        # ${pkgs.tailscale}/bin/tailscale up # blocks, doesn't give url
-        # This time, configure device auth so that we authenticate from portal
-        # https://tailscale.com/kb/1099/device-authorization/#enable-device-authorization-for-your-network 
-        ${pkgs.tailscale}/bin/tailscale up -authkey tskey-auth-kJcgTG5CNTRL-PUVFkk31z1bThHpfq3FC5b1jcMmkW2EYW
-      '';
-    };
-
-    networking.firewall = lib.mkIf config.networking.firewall.enable {
-      trustedInterfaces = [
-        "tailscale0"
-      ];
-      allowedUDPPorts = [
-        config.services.tailscale.port
-      ];
-      allowedTCPPorts = [
-        22
-      ];
-      checkReversePath = "loose";
-    };
   };
 }

native_configs/ssh/config

@@ -47,8 +47,3 @@ Host mokoi
     User ubuntu_admin
     Port 22
 
-Host noami
-    HostName 10.100.200.230
-    User htran
-    Port 22
-

nix-conf/system/configuration.nix

@@ -11,11 +11,9 @@ in
 with lib;
 {
   imports = (if includeHardware then [
-    "${proj_root}/hosts/${hostname}/hardware-configuration.nix"
+    ./profiles/${hostname}/hardware-configuration.nix
   ] else [ ]) ++ [
     "${modulesPath}/profiles/minimal.nix"
-    "${proj_root}/modules/tailscale.sys.nix"
-    "${proj_root}/modules/mosh.sys.nix"
   ];
   boot = _boot;
 
@@ -56,6 +54,67 @@ with lib;
     pkgs.inetutils # network diag
     pkgs.mtr # network diag
     pkgs.sysstat # sys diag
+    pkgs.mosh # ssh-alt; parsec-like
+    pkgs.tailscale # VPC
   ];
+  # tailscale is mandatory : ^)
+  # inherit services;
+  services = lib.recursiveUpdate _services {
+    tailscale.enable = true;
+    ntp.enable = true;
+  };
+  # create a oneshot job to authenticate to Tailscale
+  systemd.services.tailscale-autoconnect = {
+    description = "Automatic connection to Tailscale";
+
+    # make sure tailscale is running before trying to connect to tailscale
+    after = [ "network-pre.target" "tailscale.service" ];
+    wants = [ "network-pre.target" "tailscale.service" ];
+    wantedBy = [ "multi-user.target" ];
+
+    # set this service as a oneshot job
+    serviceConfig.Type = "oneshot";
+
+    # have the job run this shell script
+    script = ''
+      # wait for tailscaled to settle
+      sleep 2
+      # check if we are already authenticated to tailscale
+      status="$(${pkgs.tailscale}/bin/tailscale status -json | ${pkgs.jq}/bin/jq -r .BackendState)"
+      if [ $status = "Running" ]; then # if so, then do nothing
+        exit 0
+      fi
+
+      # ${pkgs.tailscale}/bin/tailscale up # blocks, doesn't give url
+      # This time, configure device auth so that we authenticate from portal
+      # https://tailscale.com/kb/1099/device-authorization/#enable-device-authorization-for-your-network 
+      ${pkgs.tailscale}/bin/tailscale up -authkey tskey-auth-kJcgTG5CNTRL-PUVFkk31z1bThHpfq3FC5b1jcMmkW2EYW
+    '';
+  };
+  # Don't touch networking.firewall.enable, just configure everything else.
+  # inherit networking;
+  # inherit _networking;
+  networking = lib.recursiveUpdate _networking {
+    firewall =
+      if _networking ? firewall.enable && _networking.firewall.enable then {
+        trustedInterfaces = _networking.firewall.trustedInterfaces or [ ] ++ [
+          "tailscale0"
+        ];
+        allowedUDPPorts = _networking.firewall.allowedUDPPorts or [ ] ++ [
+          config.services.tailscale.port
+        ];
+        allowedTCPPorts = _networking.firewall.allowedTCPPorts or [ ] ++ [
+          22
+        ];
+        allowedUDPPortRanges = _networking.firewall.allowedUDPPortRanges or [ ] ++ [
+          { from = 60000; to = 61000; } # mosh
+
+        ];
+        checkReversePath = "loose";
+      } else { enable = false; };
+  };
+
+  environment.noXlibs = lib.mkForce false;
+
 }
 

nix-conf/system/flake.nix

@@ -56,7 +56,6 @@
           ./configuration.nix
           {
             system.stateVersion = "22.05";
-            mod.tailscale.enable = true;
           }
         ];
         specialArgs = {
@@ -206,37 +205,6 @@
           hostname = "nixos";
         };
       };
-      nixosConfigurations.htran-dev = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
-        modules = base_modules ++ [
-          ./configuration.nix
-          {
-            system.stateVersion = "22.11";
-            mod.tailscale.enable = false;
-            networking.defaultGateway = {
-              address = "10.100.200.1";
-              # interface = "ens32";
-            };
-            networking.interfaces.ens32.ipv4.addresses = [
-              {address = "10.100.200.230"; prefixLength = 24;}
-            ];
-          }
-        ];
-        specialArgs = {
-          hostname = "htran-dev";
-          _networking = {
-            firewall.enable = true;
-            useDHCP = false;
-            interfaces.eth0.useDHCP = true;
-          };
-          _boot.loader.grub.enable = true;
-          _boot.loader.grub.version = 2;
-          _services.openssh = {
-            permitRootLogin = "no";
-            enable = true;
-          };
-        };
-      };
       nixosConfigurations.bao = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
         specialArgs.hostname = "bao";
@@ -292,15 +260,14 @@
               services.xserver.displayManager.sddm.enable = true;
               services.xserver.desktopManager.plasma5 = {
                 enable = true;
-                excludePackages = let plasma5 = pkgs.libsForQt5; in
+                excludePackages = let plasma5 = pkgs.libsForQt5; in [
-                  [
+                  plasma5.elisa # audio viewer
-                    plasma5.elisa # audio viewer
+                  plasma5.konsole # I use alacritty instaed
-                    plasma5.konsole # I use alacritty instaed
+                  plasma5.plasma-browser-integration
-                    plasma5.plasma-browser-integration
+                  plasma5.print-manager # will enable if I need
-                    plasma5.print-manager # will enable if I need
+                  plasma5.khelpcenter # why not just write manpages instead :(
-                    plasma5.khelpcenter # why not just write manpages instead :(
+                  # plasma5.ksshaskpass   # pls just put prompts on my dear terminal
-                    # plasma5.ksshaskpass   # pls just put prompts on my dear terminal
+                ];
-                  ];
               };
 
               # disables KDE's setting of askpassword
@@ -325,7 +292,6 @@
               hardware.pulseaudio.support32Bit = true;
               nixpkgs.config.pulseaudio = true;
               hardware.pulseaudio.extraConfig = "load-module module-combine-sink";
-              mod.tailscale.enable = true;
 
               # Sound: pipewire
               # sound.enable = false;

scripts/config-sysnix.sh

@@ -46,5 +46,5 @@ cat "${SSH_PUB}" >> "${SSH_DIR}/authorized_keys"
 sort -u "${SSH_DIR}/authorized_keys" -o "${SSH_DIR}/authorized_keys"
 
 echo "Apply nixos-rebuild"
-sudo nixos-rebuild switch --flake "${SYSNIX_DIR}/nix-conf/system#${HOSTNAME}"
+sudo nixos-rebuild switch --flake "${SYSNIX_DIR}#${HOSTNAME}"