diff --git a/system-nix/configuration.nix b/system-nix/configuration.nix
index bb16293..3f202df 100755
--- a/system-nix/configuration.nix
+++ b/system-nix/configuration.nix
@@ -1,6 +1,9 @@
 { lib, pkgs, config, modulesPath, specialArgs, ... }:
 let hostname = specialArgs.hostname;
     enableSSH = specialArgs.enableSSH or true;
+    networking = {hostName = hostname;} // (specialArgs.networking or {});
+    boot = specialArgs.boot or {};
+    services = specialArgs.services or {};
 in
 with lib;
 {
@@ -8,7 +11,9 @@ with lib;
     ./profiles/${hostname}/hardware-configuration.nix
     "${modulesPath}/profiles/minimal.nix"
   ];
-  networking.hostName = hostname;
+  inherit networking;
+  inherit boot;
+  inherit services;
 
   system.stateVersion = "22.05";
   # users.users.<defaultUser>.uid = 1000;
@@ -19,19 +24,12 @@ with lib;
   nix.extraOptions = ''
     experimental-features = nix-command flakes
   '';
-  # users.users.hungtr = {
-  #   isNormalUser = true;
-  #   home = "/home/hungtr";
-  #   description = "pegasust/hungtr";
-  #   extraGroups = [ "wheel" "networkmanager" ];
-  #   openssh.authorizedKeys.keys = lib.strings.splitString "\n" (builtins.readFile ../ssh/authorized_keys);
-  # };
-
-  # Let's just open ssh server in general, even though it may not be
-  # network-accessible
-  services.openssh = {
-    permitRootLogin = "no";
-    enable = enableSSH;
+  users.users.hungtr = {
+    isNormalUser = true;
+    home = "/home/hungtr";
+    description = "pegasust/hungtr";
+    extraGroups = [ "wheel" "networkmanager" ];
+    openssh.authorizedKeys.keys = lib.strings.splitString "\n" (builtins.readFile ../ssh/authorized_keys);
   };
 
   # Some basic programs
diff --git a/system-nix/flake.nix b/system-nix/flake.nix
index 7e7d2f0..8c7d192 100644
--- a/system-nix/flake.nix
+++ b/system-nix/flake.nix
@@ -25,6 +25,21 @@
       ];
       specialArgs = {
         hostname = "lizzi";
+        networking = {
+          interfaces.eth1.ipv4.addresses = [{
+            address = "71.0.0.1";
+            prefixLength = 24;
+          }];
+          firewall.enable = false;
+          useDHCP = false;
+          interfaces.eth0.useDHCP = true;
+        };
+        boot.loader.grub.enable = true;
+        boot.loader.grub.version = 2;
+        services.openssh = {
+          permitRootLogin = "no";
+          enable = enableSSH;
+        };
       };
     };
     nixosConfigurations.nyx = nixpkgs.lib.nixosSystem {
@@ -34,6 +49,21 @@
       ];
       specialArgs = {
         hostname = "nyx";
+        networking = {
+          interfaces.eth1.ipv4.addresses = [{
+            address = "71.0.0.2";
+            prefixLength = 24;
+          }];
+          firewall.enable = false;
+          useDHCP = false;
+          interfaces.eth0.useDHCP = true;
+        };
+        boot.loader.grub.enable = true;
+        boot.loader.grub.version = 2;
+        services.openssh = {
+          permitRootLogin = "no";
+          enable = enableSSH;
+        };
       };
     };
     nixosConfigurations.nixos = nixpkgs.lib.nixosSystem {
diff --git a/system-nix/profiles/nyx/hardware-configuration.nix b/system-nix/profiles/nyx/hardware-configuration.nix
index e69de29..1d9e233 100644
--- a/system-nix/profiles/nyx/hardware-configuration.nix
+++ b/system-nix/profiles/nyx/hardware-configuration.nix
@@ -0,0 +1,42 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "virtio_pci" "virtio_scsi" "ahci" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  boot.kernelParams = ["console=ttyS0,19200n8"];
+  boot.loader.grub.extraConfig = ''
+    serial --speed19200 --unit=0 --word=8 --parity=no --stop=1
+    terminal_input serial;
+    terminal_output serial;
+  '';
+  boot.loader.grub.forceInstall = true;
+  boot.loader.grub.device = "nodev";
+  boot.loader.timeout = 10;
+  fileSystems."/" =
+    { device = "/dev/sda";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/sdb"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp0s5.useDHCP = lib.mkDefault true;
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}