diff --git a/machines/tower/default.nix b/machines/tower/default.nix
new file mode 100644
index 0000000..4b49fcb
--- /dev/null
+++ b/machines/tower/default.nix
@@ -0,0 +1,120 @@
+# 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, lib, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware.nix
+      ./home-julien.nix
+      ../../users/julien.nix
+      ../../users/default.nix
+    ];
+
+  # Bootloader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.device = "/dev/sda";
+  boot.loader.grub.useOSProber = true;
+
+networking.nameservers = [ "100.127.245.71" "9.9.9.9" ];
+  environment.etc."resolv.conf" = with lib; with pkgs; {
+    source = writeText "resolv.conf" ''
+      ${concatStringsSep "\n" (map (ns: "nameserver ${ns}") config.networking.nameservers)}
+      options edns0
+    '';
+  };
+
+  networking.hostName = "tower"; # 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;
+
+  # Set your time zone.
+  time.timeZone = "Europe/Paris";
+
+  environment.systemPackages = [ pkgs.tailscale ];
+
+  # enable the tailscale service
+  services.tailscale.enable = true;
+  
+  nix.extraOptions = ''
+          experimental-features = nix-command flakes
+        '';
+
+services.openssh.extraConfig = ''
+    HostCertificate /etc/ssh/ssh_host_ed25519_key-cert.pub
+    HostKey /etc/ssh/ssh_host_ed25519_key
+    TrustedUserCAKeys /etc/ssh/ssh_user_key.pub
+    MaxAuthTries 20
+  '';
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "fr_FR.UTF-8";
+    LC_IDENTIFICATION = "fr_FR.UTF-8";
+    LC_MEASUREMENT = "fr_FR.UTF-8";
+    LC_MONETARY = "fr_FR.UTF-8";
+    LC_NAME = "fr_FR.UTF-8";
+    LC_NUMERIC = "fr_FR.UTF-8";
+    LC_PAPER = "fr_FR.UTF-8";
+    LC_TELEPHONE = "fr_FR.UTF-8";
+    LC_TIME = "fr_FR.UTF-8";
+  };
+
+  # Configure keymap in X11
+  services.xserver = {
+    layout = "fr";
+    xkbVariant = "";
+  };
+
+  # Configure console keymap
+  console.keyMap = "fr";
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.julien = {
+    isNormalUser = true;
+    description = "Julien";
+    extraGroups = [ "networkmanager" "wheel" ];
+    packages = with pkgs; [];
+  };
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  services.openssh.enable = true;
+
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  # 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?
+
+}
diff --git a/machines/tower/hardware.nix b/machines/tower/hardware.nix
new file mode 100644
index 0000000..f557106
--- /dev/null
+++ b/machines/tower/hardware.nix
@@ -0,0 +1,32 @@
+# 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 + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/274b827e-73aa-46fe-a68c-7f401c76977d";
+      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";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/machines/tower/home-julien.nix b/machines/tower/home-julien.nix
new file mode 100644
index 0000000..7b25eef
--- /dev/null
+++ b/machines/tower/home-julien.nix
@@ -0,0 +1,9 @@
+{ pkgs, lib, config, ... }:
+{
+
+ luj.hmgr.julien = {
+    luj.programs.neovim.enable = true;
+    luj.programs.ssh-client.enable = true;
+    luj.programs.git.enable = true;
+  };
+}