feat: setup base

modules/hosts/sirius/config.nix

@@ -0,0 +1,157 @@
+{
+  flake.modules.nixos.sirius =
+    {
+      config,
+      lib,
+      pkgs,
+      hostName,
+      userName,
+      userEmail,
+      ...
+    }:
+    {
+      # --- Boot ---
+      boot = {
+        loader = {
+          systemd-boot.enable = true;
+          efi.canTouchEfiVariables = true;
+        };
+        kernelPackages = pkgs.linuxKernel.packages.linux_zen;
+        kernelParams = [ "nvidia-drm.modeset=1" ];
+      };
+
+      # --- Networking ---
+      networking = {
+        hostName = hostName;
+        networkmanager = {
+          enable = true;
+          wifi.backend = "iwd";
+        };
+        wireless.iwd = {
+          enable = true;
+          settings = {
+            Network = {
+              EnableIPv6 = true;
+            };
+            Settings = {
+              AutoConnect = true;
+            };
+          };
+        };
+        firewall.enable = false;
+      };
+
+      # --- Hardware / GPU ---
+      hardware = {
+        graphics = {
+          enable = true;
+          enable32Bit = true;
+        };
+        nvidia = {
+          package = config.boot.kernelPackages.nvidiaPackages.stable;
+          modesetting.enable = true;
+          open = false;
+          nvidiaSettings = true;
+        };
+
+        enableAllFirmware = true;
+        usb-modeswitch.enable = true;
+      };
+
+      services.xserver.videoDrivers = [ "nvidia" ];
+
+      # --- Locale ---
+      time.timeZone = "Asia/Kolkata";
+      i18n = {
+        defaultLocale = "en_US.UTF-8";
+        extraLocaleSettings = lib.genAttrs [
+          "LC_ADDRESS"
+          "LC_IDENTIFICATION"
+          "LC_MEASUREMENT"
+          "LC_MONETARY"
+          "LC_NAME"
+          "LC_NUMERIC"
+          "LC_PAPER"
+          "LC_TELEPHONE"
+          "LC_TIME"
+        ] (_: "en_IN");
+      };
+
+      # --- Desktop ---
+      services = {
+        displayManager.ly.enable = true;
+        desktopManager.plasma6.enable = true;
+      };
+
+      # --- Fonts ---
+      fonts.packages = with pkgs.nerd-fonts; [
+        fira-code
+        jetbrains-mono
+        bigblue-terminal
+      ];
+
+      # --- Audio ---
+      services.pulseaudio.enable = false;
+      security.rtkit.enable = true;
+      services.pipewire = {
+        enable = true;
+        alsa = {
+          enable = true;
+          support32Bit = true;
+        };
+        pulse.enable = true;
+      };
+
+      # --- SSH ---
+      services.openssh = {
+        enable = true;
+        startWhenNeeded = true;
+        allowSFTP = true;
+        settings = {
+          PermitRootLogin = "no";
+          PasswordAuthentication = false;
+          KbdInteractiveAuthentication = false;
+          AuthenticationMethods = "publickey";
+          PubkeyAuthentication = "yes";
+          UsePAM = false;
+          UseDns = false;
+          X11Forwarding = false;
+          ClientAliveCountMax = 5;
+          ClientAliveInterval = 60;
+
+          KexAlgorithms = [
+            "curve25519-sha256"
+            "curve25519-sha256@libssh.org"
+            "diffie-hellman-group16-sha512"
+            "diffie-hellman-group18-sha512"
+            "sntrup761x25519-sha512@openssh.com"
+            "diffie-hellman-group-exchange-sha256"
+            "mlkem768x25519-sha256"
+            "sntrup761x25519-sha512"
+          ];
+          Macs = [
+            "hmac-sha2-512-etm@openssh.com"
+            "hmac-sha2-256-etm@openssh.com"
+            "umac-128-etm@openssh.com"
+          ];
+        };
+      };
+
+      # --- Programs ---
+      programs.firefox.enable = true;
+
+      # --- Packages ---
+      environment.systemPackages = with pkgs; [
+        neovim
+        discord
+        pciutils
+        brave
+        zed-editor
+        usbutils
+      ];
+
+      # !!! DO NOT CHANGE THIS !!!
+      # This should match the version used at initial install.
+      system.stateVersion = "26.05";
+    };
+}

modules/hosts/sirius/default.nix

@@ -0,0 +1,23 @@
+{
+  inputs,
+  config,
+  ...
+}:
+let
+  hostName = "sirius";
+  userName = "tux";
+  userEmail = "t@tux.rs";
+  system = "x86_64-linux";
+  unstable = true;
+  nixpkgs = if unstable then inputs.nixpkgs else inputs.nixpkgs-stable;
+in
+{
+  flake.nixosConfigurations."${hostName}" = nixpkgs.lib.nixosSystem {
+    inherit system;
+    specialArgs = { inherit hostName userName userEmail; };
+    modules = [
+      config.flake.modules.nixos.core
+      config.flake.modules.nixos.${hostName}
+    ];
+  };
+}

modules/hosts/sirius/hardware.nix

@@ -0,0 +1,48 @@
+{
+  flake.modules.nixos.sirius =
+    {
+      config,
+      lib,
+      ...
+    }:
+    {
+      boot.initrd.availableKernelModules = [
+        "nvme"
+        "xhci_pci"
+        "ahci"
+        "usbhid"
+        "usb_storage"
+        "sd_mod"
+      ];
+      boot.initrd.kernelModules = [ ];
+      boot.kernelModules = [ "kvm-amd" ];
+      boot.extraModulePackages = [ ];
+
+      fileSystems."/" = {
+        device = "/dev/disk/by-uuid/d856ed98-6841-4cbf-89be-e08c6f48b9ea";
+        fsType = "ext4";
+      };
+
+      fileSystems."/boot" = {
+        device = "/dev/disk/by-uuid/7FE1-55C5";
+        fsType = "vfat";
+        options = [
+          "fmask=0077"
+          "dmask=0077"
+        ];
+      };
+
+      swapDevices = [ { device = "/dev/disk/by-uuid/69794aa5-51a9-4816-8d45-7791505165d4"; } ];
+
+      # 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.eno1.useDHCP = lib.mkDefault true;
+      # networking.interfaces.wlp10s0f3u2i2.useDHCP = lib.mkDefault true;
+
+      nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+      hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+    };
+}

modules/hosts/sirius/home.nix

@@ -0,0 +1,24 @@
+{ config, ... }:
+{
+  flake.modules.homeManager.sirius = {
+    imports = with config.flake.modules.homeManager; [
+      desktop
+    ];
+
+    tnix.services.lan-mouse = {
+      enable = true;
+      settings = {
+        clients = [
+          {
+            position = "right";
+            hostname = "canopus";
+            activate_on_startup = true;
+            ips = [ "192.168.8.2" ];
+          }
+        ];
+      };
+    };
+
+    home.stateVersion = "26.05";
+  };
+}