odroidh2p-0: manual installation

nix/os/devices/odroidh2p-0/system.nix

@@ -0,0 +1,59 @@
+{ pkgs
+, lib
+, config
+, ... }:
+
+let
+  keys = import ../../../variables/keys.nix;
+
+in {
+  # TASK: new device
+  networking.hostName = "odroidh2p-0"; # Define your hostname.
+  # networking.domain =  "";
+
+  networking.firewall.enable = true;
+  networking.firewall.allowedTCPPorts = [
+    # iperf3
+    5201
+  ];
+  networking.firewall.logRefusedConnections = false;
+
+  networking.usePredictableInterfaceNames = false;
+
+  networking.useDHCP = false;
+
+  networking.interfaces.eth0 = {
+    useDHCP = true;
+  };
+
+  networking.interfaces.eth1 = {
+    useDHCP = false;
+  };
+
+  networking.nat = {
+    enable = true;
+    internalInterfaces = [ "ve-+" ];
+    externalInterface = "eth0";
+  };
+
+  # virtualization
+  virtualisation = {
+    docker.enable = true;
+  };
+
+  nix.gc = {
+    automatic = true;
+  };
+
+  networking.useHostResolvConf = true;
+
+  services.openssh.forwardX11 = true;
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "20.09"; # Did you read the comment?
+}