diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..8401e5d
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,65 @@
+{
+  "nodes": {
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1649711426,
+        "narHash": "sha256-tn5Hu9QkG6LhdgEOe+6cmULPeRCW0UY4o/GHU0viLu0=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "7049cf37a90e19ead7a379ce1c76dccea29450c4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-21.11",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "nixos-hardware": {
+      "locked": {
+        "lastModified": 1649849514,
+        "narHash": "sha256-zQyTr2UebTKUh1KLyLtevhHsM8umPK1LfQLGUGjRjiQ=",
+        "owner": "NixOS",
+        "repo": "nixos-hardware",
+        "rev": "1a0ccdbf4583ed0fce37eea7955e8ef90f840a9f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixos-hardware",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1649760692,
+        "narHash": "sha256-b+5Uo3yA2eFjvaGGeeLN7I3IJCxHL+jIQpB0HmBlqK4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "838eefb4f93f2306d4614aafb9b2375f315d917f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-21.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "home-manager": "home-manager",
+        "nixos-hardware": "nixos-hardware",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..9e8a551
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,50 @@
+{
+  description = "Thor system configuration";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-21.11";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+    home-manager.url = "github:nix-community/home-manager/release-21.11";
+    nixos-hardware.url = "github:NixOS/nixos-hardware";
+    # nixos-hardware.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, home-manager, nixos-hardware }:
+    let
+      system = "x86_64-linux";
+      pkgs = import nixpkgs {
+        inherit system;
+        config = { allowUnfree = true; };
+      };
+      lib = nixpkgs.lib;
+    in
+    {
+      nixosConfigurations = rec {
+        thor = lib.nixosSystem {
+          inherit system;
+
+          modules = [
+            ./thor/hardware-configuration.nix
+            nixos-hardware.nixosModules.common-cpu-amd
+            nixos-hardware.nixosModules.common-pc-ssd
+            ./thor/configuration.nix
+          ];
+        };
+        odin = odin-intel;
+        odin-intel = lib.nixosSystem {
+          inherit system;
+
+          modules = [
+            ./odin/hardware-configuration.nix
+            nixos-hardware.nixosModules.common-cpu-intel
+            nixos-hardware.nixosModules.common-pc-laptop
+            nixos-hardware.nixosModules.common-pc-laptop-ssd
+            ./odin/base.nix
+            ./odin/odin-intel.nix
+            ./odin/pro_audio.nix
+          ];
+        };
+      };
+    };
+
+}
diff --git a/odin/base.nix b/odin/base.nix
new file mode 100644
index 0000000..26ba091
--- /dev/null
+++ b/odin/base.nix
@@ -0,0 +1,240 @@
+{ config, pkgs, lib, ... }: {
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.initrd.checkJournalingFS = true;
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_5_16;
+  boot.extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];
+
+  # # Cross-build arm
+  boot.binfmt.emulatedSystems = [ "armv7l-linux" "aarch64-linux" ];
+
+  # Use same ACPI identifier as Dell Ubuntu
+  boot.kernelParams = [
+    "acpi_osi=Linux-Dell-Video"
+  ];
+
+  networking = {
+    hostName = "odin";
+    networkmanager.enable = true;
+
+    # The global useDHCP flag is deprecated, therefore explicitly set to false here.
+    # Per-interface useDHCP will be mandatory in the future, so this generated config
+    # replicates the default behaviour.
+    useDHCP = false;
+    interfaces = { enp60s0.useDHCP = true; wlp0s20f3.useDHCP = true; };
+
+    # Configure network proxy if necessary
+    # proxy.default = "http://user:password@proxy:port/";
+    # proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+    # Open ports in the firewall.
+    # firewall.allowedTCPPorts = [ ... ];
+    # firewall.allowedUDPPorts = [ ... ];
+    # Or disable the firewall altogether.
+    # firewall.enable = false;
+    hosts = {
+      "*.engine.sesar.int" = [ "172.20.28.210" ];
+      "vcenter.sesar.int" = [ "159.149.147.137" ];
+    };
+  };
+
+  # Set your time zone.
+  time.timeZone = "Europe/Rome";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "it_IT.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "it";
+  };
+
+
+  # X11 windowing system.
+  services.xserver = {
+    enable = true;
+    # Enable the GNOME 3 Desktop Environment.
+    # displayManager.gdm = {
+    #   enable = true;
+    #   wayland = true;
+    #   nvidiaWayland = true;
+    # };
+    desktopManager.gnome.enable = true;
+    # windowManager.bspwm.enable = true;
+
+    # Configure keymap in X11
+    layout = "it";
+    extraLayouts = {
+      eng = { languages = [ "eng" ]; description = "English layout for external keyboard"; };
+    };
+    xkbOptions = "eurosign:e;";
+    libinput.enable = true;
+  };
+
+  # Enable CUPS to print documents.
+  services.printing = {
+    enable = true;
+    drivers = with pkgs; [ gutenprint cups-kyocera ];
+  };
+
+  services.fwupd.enable = true;
+
+  # Enable sound.
+  # PULSE
+  # sound.enable = true;
+  # hardware.pulseaudio.enable = true;
+
+  # PIPEWIRE
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    pulse.enable = true;
+    jack.enable = true;
+    alsa = { enable = true; support32Bit = true; };
+    # media-session.enable = true;
+  };
+  environment.sessionVariables.LD_LIBRARY_PATH = lib.mkForce "${config.services.pipewire.package.jack}/lib"; # Temporary fix for WebKitGTK
+
+  # # Tablet
+  # hardware.opentabletdriver = {
+  #   enable = true;
+  #   daemon.enable = true;
+  # };
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.bertof = {
+    isNormalUser = true;
+    extraGroups = [ "audio" "input" "docker" "flashrom" "libvirtd" "network" "usb" "video" "wheel" ];
+    shell = pkgs.zsh;
+    openssh.authorizedKeys.keys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN+zsSWZFFzQKnATCAvtG+iuSm4qkZHjCtHzGa9B/71W" ];
+  };
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [ tmux firefox kakoune vim ];
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  programs.flashrom.enable = true;
+  programs.gnupg.agent = { enable = true; enableSSHSupport = true; };
+
+  programs.steam.enable = true;
+  programs.dconf.enable = true;
+  programs.zsh = { enable = true; syntaxHighlighting.enable = true; };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  services.openssh = { enable = true; openFirewall = true; permitRootLogin = "no"; passwordAuthentication = false; };
+
+  # Cooling management
+  services.thermald.enable = true;
+
+  services.snapper = {
+    configs =
+      let
+        bertofExtraConfig = ''
+          ALLOW_USERS="bertof"
+          TIMELINE_CREATE=yes
+          TIMELINE_CLEANUP=yes
+        '';
+        common = { extraConfig = bertofExtraConfig; };
+      in
+      {
+        bertof_home = common // { subvolume = "/home/bertof"; };
+        bertof_music = common // { subvolume = "/home/bertof/Musica"; };
+        bertof_downloads = common // { subvolume = "/home/bertof/Scaricati"; };
+        bertof_images = common // { subvolume = "/home/bertof/Immagini"; };
+        bertof_videos = common // { subvolume = "/home/bertof/Video"; };
+        bertof_documents = common // { subvolume = "/home/bertof/Documenti"; };
+        bertof_games_ssd = common // { subvolume = "/home/bertof/Giochi/SSD"; };
+        # bertof_games_hdd = common // { subvolume = "/home/bertof/Giochi/HDD"; };
+        bertof_git = common // { subvolume = "/home/bertof/Documenti/Git"; };
+      };
+  };
+
+  services.dbus.packages = with pkgs; [ gnome.dconf ];
+  services.gnome.gnome-keyring.enable = true;
+  hardware.bluetooth.enable = true;
+  # services.blueman.enable = true;
+  services.zerotierone = { enable = true; joinNetworks = [ "8056c2e21cf9c753" ]; };
+  services.gvfs = { enable = true; package = lib.mkForce pkgs.gnome3.gvfs; };
+  # services.tlp.enable = false;
+  services.avahi = {
+    enable = true;
+    openFirewall = true;
+    nssmdns = true;
+    publish = {
+      enable = true;
+      addresses = true;
+      domain = true;
+      userServices = true;
+      workstation = true;
+    };
+    extraServiceFiles = {
+      ssh = "${pkgs.avahi}/etc/avahi/services/ssh.service";
+    };
+  };
+
+  # SMART
+  services.smartd = { enable = true; notifications.x11.enable = true; };
+
+  # FPRINTD
+  # services.fprintd = {
+  #   enable = true;
+  #   tod = { enable = true; driver = pkgs.libfprint-2-tod1-goodix; };
+  # };
+  security.pam.services.login.fprintAuth = true;
+  security.pam.services.xscreensaver.fprintAuth = true;
+
+  # Clamav
+  services.clamav = { daemon.enable = true; updater.enable = true; };
+
+  # Power-profiles
+  services.power-profiles-daemon.enable = true;
+
+  # services.teamviewer.enable = true;
+
+  # Virtualisation
+  virtualisation = {
+    docker.enable = true;
+    kvmgt.enable = true;
+    libvirtd.enable = true;
+    podman.enable = true;
+    virtualbox.host.enable = true;
+  };
+
+  # Allow completion for system packages
+  environment.pathsToLink = [ "/share/zsh" ];
+
+  security.sudo.extraConfig = ''
+    Defaults pwfeedback
+  '';
+  security.pam.services.sddm.enableGnomeKeyring = true;
+
+  nixpkgs.config = {
+    allowUnfree = true;
+    packageOverrides = pkgs: {
+      steam = pkgs.steam.override {
+        extraPkgs = pkgs: with pkgs; [ icu ];
+      };
+    };
+  };
+  nix = {
+    package = pkgs.nixFlakes;
+    extraOptions = lib.optionalString (config.nix.package == pkgs.nixFlakes)
+      "experimental-features = nix-command flakes";
+    gc.automatic = 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 = "21.11"; # Did you read the comment?
+}
diff --git a/odin/hardware-configuration.nix b/odin/hardware-configuration.nix
new file mode 100644
index 0000000..ac9276d
--- /dev/null
+++ b/odin/hardware-configuration.nix
@@ -0,0 +1,87 @@
+# 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" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@root" "x-gvfs-hide" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@nix" "x-gvfs-hide" ];
+    };
+
+  fileSystems."/home/bertof" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@bertof" "x-gvfs-hide" ];
+    };
+
+  fileSystems."/home/bertof/Giochi/SSD" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@bertof_games" "x-gvfs-hide" ];
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/82DB-3444";
+      fsType = "vfat";
+    };
+
+  fileSystems."/home/bertof/Musica" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@bertof_music" "x-gvfs-hide" ];
+    };
+
+  fileSystems."/home/bertof/Video" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@bertof_videos" "x-gvfs-hide" ];
+    };
+
+  fileSystems."/home/bertof/Immagini" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@bertof_images" "x-gvfs-hide" ];
+    };
+
+  fileSystems."/home/bertof/Scaricati" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@bertof_downloads" "x-gvfs-hide" ];
+    };
+
+  fileSystems."/home/bertof/Documenti" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@bertof_documents" "x-gvfs-hide" ];
+    };
+
+  fileSystems."/home/bertof/Documenti/Git" =
+    { device = "/dev/disk/by-uuid/c6e3d4df-4861-48a5-8107-d6fd1addad8c";
+      fsType = "btrfs";
+      options = [ "subvol=@bertof_git" "x-gvfs-hide" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/5f3cf424-2bd8-4352-a778-1bb067cb5700"; }
+    ];
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/odin/odin-intel.nix b/odin/odin-intel.nix
new file mode 100644
index 0000000..240bdaf
--- /dev/null
+++ b/odin/odin-intel.nix
@@ -0,0 +1,33 @@
+# 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, ... }:
+
+{
+  boot.initrd.kernelModules = [ "i915" ];
+
+  hardware.cpu.intel.updateMicrocode = config.hardware.enableRedistributableFirmware;
+
+  hardware.opengl.enable = true;
+  hardware.opengl.extraPackages = with pkgs; [
+    intel-media-driver
+    vaapiIntel
+    vaapiVdpau
+    libvdpau-va-gl
+  ];
+
+  services.xserver = {
+    displayManager.gdm = {
+      enable = true;
+      wayland = true;
+    };
+  };
+
+  # This runs only Intel and nvidia does not drain power.
+  ##### disable nvidia for a very nice battery life.
+  hardware.nvidiaOptimus.disable = true;
+  boot.blacklistedKernelModules = [ "nouveau" "nvidia" ];
+  services.xserver.videoDrivers = [ "intel" ];
+  hardware.opengl.driSupport32Bit = true;
+}
diff --git a/odin/odin-nvidia.nix b/odin/odin-nvidia.nix
new file mode 100644
index 0000000..c21ef24
--- /dev/null
+++ b/odin/odin-nvidia.nix
@@ -0,0 +1,36 @@
+# 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 =
+    [
+      <nixos-hardware/common/cpu/amd>
+      <nixos-hardware/common/pc/laptop/ssd>
+      ./base.nix
+    ];
+
+  boot.initrd.kernelModules = [ "i915" ];
+
+  hardware.cpu.intel.updateMicrocode = config.hardware.enableRedistributableFirmware;
+
+  services.xserver = {
+    videoDrivers = [ "nvidia" ];
+    displayManager.sddm = {
+      enable = true;
+      autoNumlock = true;
+    };
+  };
+
+  hardware.nvidia.prime = {
+    offload.enable = false;
+    sync.enable = true;
+    intelBusId = "PCI:0:2:0";
+    nvidiaBusId = "PCI:1:0:0";
+  };
+  # hardware.nvidia.modesetting.enable = true;
+  # hardware.nvidia.package = pkgs.linuxPackages.nvidia_x11;
+  hardware.opengl.driSupport32Bit = true;
+}
diff --git a/odin/pro_audio.nix b/odin/pro_audio.nix
new file mode 100644
index 0000000..fd2f706
--- /dev/null
+++ b/odin/pro_audio.nix
@@ -0,0 +1,61 @@
+{ pkgs, lib, ... }: {
+  boot = {
+    # kernelModules = [ "snd-seq" "snd-rawmidi" ];
+    # kernel.sysctl = { "vm.swappiness" = 10; "fs.inotify.max_user_watches" = 524288; };
+    # kernelParams = [ "threadirq" ];
+
+    # kernelPatches = lib.singleton {
+    #   name = "pro_audio";
+    #   patch = null;
+    #   extraConfig = ''
+    #     PREEMPT_RT y
+    #     PREEMPT y
+    #     IOSCHED_DEADLINE y
+    #     DEFAULT_DEADLINE y
+    #     DEFAULT_IOSCHED "deadline"
+    #     HPET_TIMER y
+    #     CPU_FREQ n
+    #     TREE_RCU_TRACE n
+    #   '';
+    # };
+
+    # postBootCommands = ''
+    #   echo 2048 > /sys/class/rtc/rtc0/max_user_freq
+    #   echo 2048 > /proc/sys/dev/hpet/max-user-freq
+    #   # setpci -v -d *:* latency_timer=b0
+    #   # setpci -v -s $00:1b.0 latency_timer=ff
+    # '';
+    # The SOUND_CARD_PCI_ID can be obtained like so:
+    # $ lspci ¦ grep -i audio
+  };
+
+  # powerManagement.cpuFreqGovernor = "performance";
+
+  # fileSystems."/" = { options = "noatime errors=remount-ro"; };
+
+  security.pam.loginLimits = [
+    { domain = "@audio"; item = "memlock"; type = "-"; value = "unlimited"; }
+    { domain = "@audio"; item = "rtprio"; type = "-"; value = "99"; }
+    { domain = "@audio"; item = "nofile"; type = "soft"; value = "99999"; }
+    { domain = "@audio"; item = "nofile"; type = "hard"; value = "99999"; }
+  ];
+
+  # services = {
+  #   udev = {
+  #     packages = [ pkgs.ffado ]; # If you have a FireWire audio interface
+  #     extraRules = ''
+  #       KERNEL=="rtc0", GROUP="audio"
+  #       KERNEL=="hpet", GROUP="audio"
+  #     '';
+  #   };
+  #   cron.enable = false;
+  # };
+
+  environment.shellInit = ''
+    export VST_PATH=/nix/var/nix/profiles/default/lib/vst:/var/run/current-system/sw/lib/vst:~/.vst
+    export LXVST_PATH=/nix/var/nix/profiles/default/lib/lxvst:/var/run/current-system/sw/lib/lxvst:~/.lxvst
+    export LADSPA_PATH=/nix/var/nix/profiles/default/lib/ladspa:/var/run/current-system/sw/lib/ladspa:~/.ladspa
+    export LV2_PATH=/nix/var/nix/profiles/default/lib/lv2:/var/run/current-system/sw/lib/lv2:~/.lv2
+    export DSSI_PATH=/nix/var/nix/profiles/default/lib/dssi:/var/run/current-system/sw/lib/dssi:~/.dssi
+  '';
+}