feat: add new host - msi-rtx4090

hosts/default.nix

@@ -1,10 +0,0 @@
-{
-  ...
-}: {
-    imports =
-      [
-        ./nixos-test
-        ../modules/system.nix
-        ../modules/i3.nix
-      ];
-}

hosts/msi-rtx4090/default.nix

@@ -0,0 +1,55 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [
+      ../../modules/system.nix
+      ../../modules/i3.nix
+
+      # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+
+  # Bootloader.
+  boot.loader = {
+    efi = {
+      canTouchEfiVariables = true;
+      efiSysMountPoint = "/boot/efi"; # ← use the same mount point here.
+    };
+    systemd-boot.enable = true;
+  };
+
+  networking.hostName = "msi-rtx4090"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+  networking.defaultGateway = "192.168.5.201";
+
+  # for Nvidia GPU
+  services.xserver.videoDrivers = ["nvidia"];
+  hardware.opengl.enable = true;
+  hardware.nvidia = {
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+    modesetting.enable = 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 = "22.11"; # Did you read the comment?
+
+}
+
+

hosts/msi-rtx4090/hardware-configuration.nix

@@ -0,0 +1,41 @@
+# 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 + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "uas" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/9730ef67-577c-4dc9-8563-f431c1cf25fb";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot/efi" =
+    { device = "/dev/disk/by-uuid/8DA9-86FF";
+      fsType = "vfat";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/5364261a-3ecc-4754-b114-ff44c529627e"; }
+    ];
+
+  # 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.enp5s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlo1.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/nixos-test/default.nix

@@ -6,7 +6,11 @@
 
 {
   imports =
-    [ # Include the results of the hardware scan.
+    [
+      ../../modules/system.nix
+      ../../modules/i3.nix
+
+      # Include the results of the hardware scan.
       ./hardware-configuration.nix
     ];