.

configuration.nix

@@ -10,6 +10,7 @@
       ./hardware-configuration.nix
       ./display-manager.nix
       ./packages.nix
+      ./secret.nix
     ];
 
   # Bootloader.
@@ -19,6 +20,19 @@
   # Use latest kernel.
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
+  boot.extraModprobeConfig = ''
+    options snd_hda_intel power_save=1
+  '';
+
+  services.udev.extraRules = ''
+    ACTION=="add", SUBSYSTEM=="pci", DRIVER=="pcieport", ATTR{power/wakeup}="disabled"
+  '';
+
+  nix.settings.auto-optimise-store = true;
+  nix.gc.automatic = true;
+  nix.gc.dates = "daily";
+  nix.gc.options = "--delete-older-than 5d";
+
   networking.hostName = "nixian"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
@@ -41,6 +55,9 @@
 
   hardware.bluetooth.enable = true;
   services.blueman.enable = true;
+  
+  hardware.sane.enable = true;
+  hardware.sane.extraBackends = [ pkgs.hplipWithPlugin ];
 
   # Set your time zone.
   time.timeZone = "America/Sao_Paulo";
@@ -60,6 +77,26 @@
     LC_TIME = "pt_BR.UTF-8";
   };
 
+  services.xserver = {
+    enable = true;
+    
+    autorun = false;
+    
+    libinput.enable = true;
+    libinput.mouse.accelProfile = "adaptive";
+    libinput.mouse.accelSpeed = "-0.5";
+    libinput.mouse.scrollMethod = "twofinger";
+
+    libinput.touchpad = {
+      accelProfile = "adaptive";
+      accelSpeed = "-0.5";
+      scrollMethod = "twofinger";
+      tapping = true;
+    };
+  };
+    
+  #services.xserver.desktopManager.lxqt.enable = true;
+
   # Configure keymap in X11
   services.xserver.xkb = {
     layout = "br";
@@ -71,6 +108,15 @@
 
   # Enable CUPS to print documents.
   services.printing.enable = true;
+  services.printing.drivers = [
+    pkgs.hplipWithPlugin
+  ];
+
+  services.avahi = {
+    enable = true;
+    nssmdns4 = true;
+    openFirewall = true;
+  };
 
   # Enable sound with pipewire.
   services.pulseaudio.enable = false;
@@ -95,7 +141,7 @@
   users.users.adrian = {
     isNormalUser = true;
     description = "Adrian Victor";
-    extraGroups = [ "networkmanager" "wheel" ];
+    extraGroups = [ "networkmanager" "wheel" "lp"];
   };
 
   # Some programs need SUID wrappers, can be configured further or are
@@ -110,7 +156,14 @@
 
   services.gvfs.enable = true;
   services.udisks2.enable = true;
+  services.thermald.enable = true;
+  
+  security.soteria.enable = true;
   #services.desktopManager.plasma6.enable = true;
+  
+  virtualisation.virtualbox.host.enable = true;
+  users.extraGroups.vboxusers.members = [ "adrian" ];
+  #virtualisation.virtualbox.host.enableExtensionPack = true;
 
   # Enable the OpenSSH daemon.
   # services.openssh.enable = true;