added tmp-hec host. connects to wifi and shares that via it's ethernet port

hosts/test

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+hi

hosts/tmp-hec.nix

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+{ lib, pkgs, inputs, secretsDir, workDir, ... }:
+{
+  
+  imports = [
+      "${inputs.nixpkgs}/nixos/modules/installer/sd-card/sd-image-aarch64.nix"
+      #inputs.nixos-hardware.nixosModules.raspberry-pi-4
+      inputs.networkmanager.nixosModules.networkmanager
+
+      ../common/all.nix
+
+	  	inputs.home-manager.nixosModules.home-manager
+
+  ];
+
+  hardware.enableRedistributableFirmware = true;
+
+  # This causes an overlay which causes a lot of rebuilding
+  environment.noXlibs = lib.mkForce false;
+
+
+  environment.systemPackages = with pkgs; [
+    vim
+    bluez
+    git
+  ];
+
+  # "${nixpkgs}/nixos/modules/installer/sd-card/sd-image-aarch64.nix" creates a
+  # disk with this label on first boot. Therefore, we need to keep it. It is the
+  # only information from the installer image that we need to keep persistent
+  fileSystems."/" =
+    { device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+    };
+
+  boot = {
+    #kernelPackages = lib.mkForce pkgs.linuxPackages_latest;
+    loader = {
+      generic-extlinux-compatible.enable = lib.mkDefault true;
+      grub.enable = lib.mkDefault false;
+    };
+  };
+
+  users.users.root.password = "changeme";
+
+  ########################### ssh ############################
+  services.openssh = {
+    enable = true;
+    ports = [ 22 ];
+
+    settings.PasswordAuthentication = true;
+    settings.KbdInteractiveAuthentication = false;
+  	settings.PermitRootLogin = "yes";
+    settings.X11Forwarding = true;
+    extraConfig = ''
+      X11UseLocalhost no
+    '';
+  };
+
+
+  ####################################### networking ##########################
+
+  networking.hostName = "lush";
+
+  networking.networkmanager.enable = true;
+
+  networking.networkmanager.profiles = {
+    pw = {
+      connection = {
+        id = "pw";
+        uuid = "e0103dac-7da0-4e32-a01b-487b8c4c813c";
+        type = "wifi";
+        autoconnect = true;
+        interface-name = "wlan0";
+      };
+
+      wifi = {
+        hidden = "true";
+        mode = "infrastructure";
+        ssid = builtins.readFile "/wifi-ssid";
+      };
+
+      wifi-security = {
+        key-mgmt = "wpa-psk";
+        psk = builtins.readFile "/wifi-password";
+      };
+
+      ipv4 = {
+        address1 = "192.168.20.21/24";
+        method = "auto";
+      };
+    };
+
+    share = {
+      connection = {
+        id = "share";
+        uuid = "f55f34e3-4595-4642-b1f6-df3185bc0a04";
+        type = "ethernet";
+        autoconnect = true;
+        interface-name = "eth0";
+      };
+
+      ethernet = {
+        mac-address = "F4:39:09:4A:DF:0E";
+      };
+
+      ipv4 = {
+        address1 = "192.168.4.1/24";
+        method = "shared";
+      };
+
+      ipv6 = {
+        addr-gen-mode = "stable-privacy";
+        method = "auto";
+      };
+    };
+
+  };
+
+
+  systemd.services.iwd.serviceConfig.Restart = "always";
+  /*
+  networking = {
+    interfaces."wlan0".useDHCP = true;
+
+    interfaces."eth0" = {
+				#name = "eth0";
+				ipv4.addresses = [
+					{ address = "192.168.5.5"; prefixLength = 24;}
+				];
+    };
+    */
+
+    /*
+    wireless = {
+      interfaces = [ "wlan0" ];
+      enable = true;
+      networks = {
+        seb-phone.psk = "hellogello";
+      };
+    };
+  };
+
+    */
+
+
+  ####################################### wireguard ##########################
+  /*
+  systemd.network.netdevs.me0 = {
+    enable = true;
+    wireguardPeers = import ../common/wg-peers.nix { inherit secretsDir; };
+    wireguardConfig = {
+      ListenPort = 51820;
+      PrivateKeyFile = "/etc/wireguard/secret.key";
+    };
+  };
+  networking.wireguard.interfaces = {
+    me = {
+      ips = [ "10.1.1.11/24" ];
+  };
+  */
+
+  /*
+  boot = {
+    kernelPackages = pkgs.linuxKernel.packages.linux_rpi4;
+    initrd.availableKernelModules = [ "xhci_pci" "usbhid" "usb_storage" ];
+    loader = {
+      grub.enable = false;
+      generic-extlinux-compatible.enable = true;
+    };
+  };
+  */
+
+}