Changing file structure to prepare for ISO

specific/lyes-pc/configuration.nix

@@ -0,0 +1,131 @@
+{ ... }:
+
+{
+  imports = [
+      ./hardware-configuration.nix
+    ];
+
+  # Optimisation
+
+  # nixpkgs.hostPlatform = {
+  #   gcc.arch = "tigerlake";
+  #   gcc.tune = "tigerlake";
+  #   system = "x86_64-linux";
+  # };
+
+  # nix.settings.system-features = [ "gccarch-tigerlake" "nixos-test" "benchmark" "big-parallel" "kvm" ];
+
+  # # Increasing the limit of files to help with compilation
+  # security.pam.loginLimits = [{
+  #   domain = "*";
+  #   type = "soft";
+  #   item = "nofile";
+  #   value = "8192";
+  # }];
+
+  # # Resources Limit
+  # nix.settings = {
+  #   max-jobs = 7;
+  #   cores = 2;
+  # };
+
+  # # OOM configuration
+  # systemd = {
+  #   # Create a separate slice for nix-daemon that is
+  #   # memory-managed by the userspace systemd-oomd killer
+  #   slices."nix-daemon".sliceConfig = {
+  #     ManagedOOMMemoryPressure = "kill";
+  #     ManagedOOMMemoryPressureLimit = "50%";
+  #   };
+  #   services."nix-daemon".serviceConfig.Slice = "nix-daemon.slice";
+
+  #   # If a kernel-level OOM event does occur anyway,
+  #   # strongly prefer killing nix-daemon child processes
+  #   services."nix-daemon".serviceConfig.OOMScoreAdjust = 1000;
+
+  #   services."nix-daemon".serviceConfig.MemoryHigh = "16G";
+  #   services."nix-daemon".serviceConfig.MemoryMax = "20G";
+  # };
+
+  # # Disabling failing test
+  # nixpkgs.overlays = [ (final: prev: {
+  #   orc = prev.orc.overrideAttrs (_: { doCheck = false; });
+  #   gsl = prev.gsl.overrideAttrs (_: { doCheck = false; });
+  #   fprintd = prev.fprintd.overrideAttrs (super: {
+  #     # doCheck = false;
+  #     # buildInputs = super.buildInputs or [ ] ++ (with pkgs; [ libpam-wrapper (pkgs.python3.withPackages (python-pkgs: [ python-pkgs.pycairo python-pkgs.dbus-python python-pkgs.python-dbusmock ])) ]);
+  #     mesonCheckFlags = [
+  #       # PAM related checks are timing out
+  #       "--no-suite" "fprintd"
+  #     ];
+  #   });
+  #   # haskellPackages.crypton = pkgs.haskell.lib.overrideCabal prev.crypton (_: { doCheck = false; });
+  #   # haskellPackages.cryptonite = pkgs.haskell.lib.overrideCabal prev.cryptonite (_: { doCheck = false; });
+  # }) ];
+
+  # nixpkgs.config.packageOverrides = pkgs: {
+  #   haskellPackages = pkgs.haskellPackages.override {
+  #     overrides = hsSelf: hsSuper: {
+  #       crypton = pkgs.haskell.lib.overrideCabal hsSuper.crypton (_: { doCheck = false; });
+  #       cryptonite = pkgs.haskell.lib.overrideCabal hsSuper.cryptonite (_: { doCheck = false; });
+  #       crypton-x509-validation = pkgs.haskell.lib.overrideCabal hsSuper.crypton-x509-validation (oa: { doCheck = false; });
+  #       tls = pkgs.haskell.lib.overrideCabal hsSuper.tls (oa: { doCheck = false; });
+  #     };
+  #   };
+  # };
+
+  # Boot
+  boot.loader.systemd-boot.extraEntries = {
+    "fedora.conf" = ''
+      title Fedora
+      efi /EFI/fedora/grubx64.efi
+    '';
+  };
+
+  # Filesystem  
+  fileSystems = {
+    "/".options = [ "compress=zstd:1" ];
+    "/home".options = [ "compress=zstd:1" ];
+    "/nix".options = [ "compress=zstd:1" "noatime" ];
+  };
+
+  # Networking
+  networking.hostName = "lyes-pc";
+ 
+  # NVidia
+  services.xserver.videoDrivers = [ "nvidia" ];
+
+  hardware.opengl = {
+    enable = true;
+    driSupport = true;
+    driSupport32Bit = true;
+  };
+
+  hardware.nvidia = {
+    # Modesetting is needed for most wayland compositors
+    modesetting.enable = true;
+
+    # Use the open source version of the kernel module
+    # Only available on driver 515.43.04+
+    open = false;
+
+    # Enable the nvidia settings menu
+    nvidiaSettings = true;
+
+    # Optionally, you may need to select the appropriate driver version for your specific GPU
+    # package = config.boot.kernelPackages.nvidiaPackages.vulkan_beta;
+
+    prime = {
+      offload = {
+        enable = true;
+        enableOffloadCmd = true;
+      };
+
+      intelBusId = "PCI:0:2:0";
+      nvidiaBusId = "PCI:1:0:0";
+    };
+  };
+  
+  # For containers
+  hardware.nvidia-container-toolkit.enable = true;
+}

specific/lyes-pc/hardware-configuration.nix

@@ -0,0 +1,54 @@
+# 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" "thunderbolt" "nvme" "usb_storage" "sd_mod" "sdhci_pci" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/2a1aab81-a8df-4781-8946-f00ac1d48db7";
+      fsType = "btrfs";
+      options = [ "subvol=nixos_root" ];
+    };
+
+  boot.initrd.luks.devices."luks-8d74423e-0529-46e3-87b9-b948c568a6c3".device = "/dev/disk/by-uuid/8d74423e-0529-46e3-87b9-b948c568a6c3";
+
+  fileSystems."/home" =
+    { device = "/dev/disk/by-uuid/2a1aab81-a8df-4781-8946-f00ac1d48db7";
+      fsType = "btrfs";
+      options = [ "subvol=home" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/2a1aab81-a8df-4781-8946-f00ac1d48db7";
+      fsType = "btrfs";
+      options = [ "subvol=nixos_nix" ];
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/94CB-9035";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+  # 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.wlp9s0.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;
+  # high-resolution display
+}