Initial minimal susano config

.gitignore

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+.DS_Store
+.idea
+*.log
+tmp/
+
+
+result

flake.lock

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+{
+  "nodes": {
+    "disko": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1753140376,
+        "narHash": "sha256-7lrVrE0jSvZHrxEzvnfHFE/Wkk9DDqb+mYCodI5uuB8=",
+        "owner": "nix-community",
+        "repo": "disko",
+        "rev": "545aba02960caa78a31bd9a8709a0ad4b6320a5c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "disko",
+        "type": "github"
+      }
+    },
+    "nixos-hardware": {
+      "locked": {
+        "lastModified": 1753122741,
+        "narHash": "sha256-nFxE8lk9JvGelxClCmwuJYftbHqwnc01dRN4DVLUroM=",
+        "owner": "NixOS",
+        "repo": "nixos-hardware",
+        "rev": "cc66fddc6cb04ab479a1bb062f4d4da27c936a22",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "master",
+        "repo": "nixos-hardware",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1753345091,
+        "narHash": "sha256-CdX2Rtvp5I8HGu9swBmYuq+ILwRxpXdJwlpg8jvN4tU=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "3ff0e34b1383648053bba8ed03f201d3466f90c9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "disko": "disko",
+        "nixos-hardware": "nixos-hardware",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Susano NixOS Homelab";
+
+  inputs = {
+    # Nixpkgs
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
+    disko = {
+      url = "github:nix-community/disko";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    nixos-hardware,
+    disko,
+    ...
+  } @ inputs: let
+    inherit (self) outputs;
+  in {
+    nixosConfigurations = {
+      susano-minimal = nixpkgs.lib.nixosSystem {
+        specialArgs = {inherit inputs outputs;};
+        modules = [
+          disko.nixosModules.disko
+          ./minimal
+        ];
+      };
+    };
+  };
+}

minimal/default.nix

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+{ config, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+      ./disko-config.nix
+    ];
+
+  # Bootloader.
+  boot.loader.grub.enable = true;
+  # boot.loader.grub.device = "/dev/sda";
+  boot.loader.grub.useOSProber = true;
+
+  networking.hostName = "susano";
+  networking.networkmanager.enable = true;
+
+  # Set your time zone.
+  time.timeZone = "Europe/Warsaw";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_GB.UTF-8";
+    LC_IDENTIFICATION = "en_GB.UTF-8";
+    LC_MEASUREMENT = "en_GB.UTF-8";
+    LC_MONETARY = "en_GB.UTF-8";
+    LC_NAME = "en_GB.UTF-8";
+    LC_NUMERIC = "en_GB.UTF-8";
+    LC_PAPER = "en_GB.UTF-8";
+    LC_TELEPHONE = "en_GB.UTF-8";
+    LC_TIME = "en_GB.UTF-8";
+  };
+
+  security.rtkit.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.susano = {
+    isNormalUser = true;
+    description = "susano";
+    initialPassword = "test";
+    extraGroups = [ "networkmanager" "wheel" ];
+    packages = with pkgs; [
+    ];
+  };
+
+
+  programs.firefox.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    vim
+    wget
+  ];
+
+  system.stateVersion = "25.05";
+}

minimal/disko-config.nix

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+{
+  disko.devices = {
+    disk = {
+      main = {
+        device = "/dev/sda";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            boot = {
+              size = "1M";
+              type = "EF02"; # for grub MBR
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "btrfs";
+                extraArgs = [ "-f" ]; # Override existing partition
+                # Subvolumes must set a mountpoint in order to be mounted,
+                # unless their parent is mounted
+                subvolumes = {
+                  # Subvolume name is different from mountpoint
+                  "/rootfs" = {
+                    mountpoint = "/";
+                  };
+                  # Subvolume name is the same as the mountpoint
+                  "/home" = {
+                    mountOptions = [ "compress=zstd" ];
+                    mountpoint = "/home";
+                  };
+                  # Sub(sub)volume doesn't need a mountpoint as its parent is mounted
+                  "/home/susano" = { };
+                  "/nix" = {
+                    mountOptions = [
+                      "compress=zstd"
+                      "noatime"
+                    ];
+                    mountpoint = "/nix";
+                  };
+                };
+
+                mountpoint = "/partition-root";
+                swap = {
+                  swapfile = {
+                    size = "8G";
+                  };
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

minimal/hardware-configuration.nix

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+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "uhci_hcd" "ehci_pci" "ahci" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # fileSystems."/" =
+  #   { device = "/dev/disk/by-uuid/301d5990-7186-4a90-94aa-997044007358";
+  #     fsType = "ext4";
+  #   };
+
+  # 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.ens18.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}