Update NixOS config.

hosts/bluenix/configuration.nix

@@ -0,0 +1,52 @@
+# 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’).
+
+# BLUENIX CONFIG FILE
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+
+  # to make epson work
+  hardware.sane.enable = true; # enables support for SANE scanners
+
+  zramSwap.enable = true;
+
+  networking.hostName = "bluenix"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  hardware.bluetooth.enable = true;
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.elias = {
+    isNormalUser = true;
+    description = "Elias Gasparis";
+    extraGroups = [ "networkmanager" "wheel" "scanner"];
+    packages = with pkgs; [
+    #  thunderbird
+    ];
+  };
+
+  # Open ports in the firewall.
+  networking.firewall.allowedTCPPorts = [ 22 ];
+  # 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 = "24.05"; # Did you read the comment?
+
+}