diff --git a/.config/linux/nix/AmdGpu.nix b/.config/linux/nix/AmdGpu.nix
new file mode 100644
index 0000000..50a42bf
--- /dev/null
+++ b/.config/linux/nix/AmdGpu.nix
@@ -0,0 +1,9 @@
+{ ... }:
+
+{
+	boot.initrd.kernelModules     = [ "amdgpu" ];
+	services.xserver.videoDrivers = [ "amdgpu" ];
+	hardware.opengl.extraPackages = with pkgs; [
+		amdvlk
+	];
+}
diff --git a/.config/linux/nix/Common.nix b/.config/linux/nix/Common.nix
new file mode 100644
index 0000000..67232d9
--- /dev/null
+++ b/.config/linux/nix/Common.nix
@@ -0,0 +1,64 @@
+# Help: man configuration.nix or https://nixos.org/nixos/options.html
+
+{ config, pkgs, ... }:
+
+{
+	# System packages.
+	environment.systemPackages = with pkgs; [
+		android-tools
+		appimage-run
+		binwalk
+		btop
+		ddrescue
+		git
+		jdk11
+		jdk19
+		lm_sensors
+		lshw
+		gnumake
+		lsof
+		ncdu
+		neovim
+		nmap
+		parallel
+		pv
+		ripgrep
+		scanmem
+		smartmontools
+		steam-run
+		sqlite
+		testdisk
+		tmux
+		virt-manager
+		wget
+	];
+
+	# Bootloader.
+	boot.loader.systemd-boot.enable      = true;
+	boot.loader.efi.canTouchEfiVariables = true;
+
+	# Network.
+	networking.networkmanager.enable = true;
+
+	# Firewall.
+	networking.firewall.enable = false;
+
+	# Locale.
+	time.timeZone      = "Europe/Moscow";
+	i18n.defaultLocale = "en_US.UTF-8";
+	i18n.extraLocaleSettings = {
+		LC_ADDRESS        = "ru_RU.UTF-8";
+		LC_IDENTIFICATION = "ru_RU.UTF-8";
+		LC_MEASUREMENT    = "ru_RU.UTF-8";
+		LC_MONETARY       = "ru_RU.UTF-8";
+		LC_NAME           = "ru_RU.UTF-8";
+		LC_NUMERIC        = "ru_RU.UTF-8";
+		LC_PAPER          = "ru_RU.UTF-8";
+		LC_TELEPHONE      = "ru_RU.UTF-8";
+		LC_TIME           = "ru_RU.UTF-8";
+	};
+
+	# Nix.
+	nixpkgs.config.allowUnfree       = true;
+	nix.settings.auto-optimise-store = true;
+}
diff --git a/.config/linux/nix/Docker.nix b/.config/linux/nix/Docker.nix
new file mode 100644
index 0000000..9070f88
--- /dev/null
+++ b/.config/linux/nix/Docker.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+	virtualisation.docker.enable = true;
+}
diff --git a/.config/linux/nix/DockerRootless.nix b/.config/linux/nix/DockerRootless.nix
new file mode 100644
index 0000000..c8a7803
--- /dev/null
+++ b/.config/linux/nix/DockerRootless.nix
@@ -0,0 +1,9 @@
+{ ... }:
+
+{
+	virtualisation.docker.enable = true;
+	virtualisation.docker.rootless = {
+		enable = true;
+		setSocketVariable = true;
+	};
+}
diff --git a/.config/linux/nix/Flatpak.nix b/.config/linux/nix/Flatpak.nix
new file mode 100644
index 0000000..6b82127
--- /dev/null
+++ b/.config/linux/nix/Flatpak.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+	services.flatpak.enable = true;
+}
diff --git a/.config/linux/nix/Gnome.nix b/.config/linux/nix/Gnome.nix
new file mode 100644
index 0000000..59e11ce
--- /dev/null
+++ b/.config/linux/nix/Gnome.nix
@@ -0,0 +1,23 @@
+{ ... }:
+
+{
+	# GUI.
+	services.xserver.enable = true;
+	services.xserver.displayManager.gdm.enable   = true;
+	services.xserver.desktopManager.gnome.enable = true;
+	services.xserver = {
+		layout     = "us";
+		xkbVariant = "";
+	};
+
+	# Sound.
+	sound.enable = true;
+	hardware.pulseaudio.enable = false;
+	security.rtkit.enable      = true;
+	services.pipewire = {
+		enable            = true;
+		alsa.enable       = true;
+		alsa.support32Bit = true;
+		pulse.enable      = true;
+	};
+}
diff --git a/.config/linux/nix/PowersaveAmd.nix b/.config/linux/nix/PowersaveAmd.nix
new file mode 100644
index 0000000..31fb01a
--- /dev/null
+++ b/.config/linux/nix/PowersaveAmd.nix
@@ -0,0 +1,15 @@
+{ pkgs, ... }:
+
+{
+	systemd.services.powersave = {
+		enable = true;
+		description = "AMD Disable Boost";
+		serviceConfig = {
+			Type = "simple";
+			RemainAfterExit = "yes";
+			ExecStart = "${pkgs.bash}/bin/bash -c 'echo 0 > /sys/devices/system/cpu/cpufreq/boost'";
+			ExecStop  = "${pkgs.bash}/bin/bash -c 'echo 1 > /sys/devices/system/cpu/cpufreq/boost'";
+		};
+		wantedBy = [ "multi-user.target" ];
+	};
+}
diff --git a/.config/linux/nix/PowersaveIntel.nix b/.config/linux/nix/PowersaveIntel.nix
new file mode 100644
index 0000000..5c90ff2
--- /dev/null
+++ b/.config/linux/nix/PowersaveIntel.nix
@@ -0,0 +1,15 @@
+{ pkgs, ... }:
+
+{
+	systemd.services.powersave = {
+		enable = true;
+		description = "Intel Disable Boost";
+		serviceConfig = {
+			Type = "simple";
+			RemainAfterExit = "yes";
+			ExecStart = "${pkgs.bash}/bin/bash -c 'echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo'";
+			ExecStop  = "${pkgs.bash}/bin/bash -c 'echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo'";
+		};
+		wantedBy = [ "multi-user.target" ];
+	};
+}
diff --git a/.config/linux/nix/Print.nix b/.config/linux/nix/Print.nix
new file mode 100644
index 0000000..85c4e76
--- /dev/null
+++ b/.config/linux/nix/Print.nix
@@ -0,0 +1,11 @@
+{ ... }:
+
+{
+	services.printing = {
+		enable = true;
+		clientConf = ''
+			DigestOptions DenyMD5
+			ServerName 192.168.1.2
+		'';
+	};
+}
diff --git a/.config/linux/nix/Sshd.nix b/.config/linux/nix/Sshd.nix
new file mode 100644
index 0000000..a3c5698
--- /dev/null
+++ b/.config/linux/nix/Sshd.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+	services.openssh.enable = true;
+}
diff --git a/.config/linux/nix/Voronind.nix b/.config/linux/nix/Voronind.nix
new file mode 100644
index 0000000..11551a7
--- /dev/null
+++ b/.config/linux/nix/Voronind.nix
@@ -0,0 +1,12 @@
+{ ... }:
+
+{
+	users.users.voronind = {
+		isNormalUser = true;
+		description  = "Dmitry Voronin";
+		extraGroups = [ "networkmanager" ];
+		packages = with pkgs; [
+			gnome.gnome-tweaks
+		];
+	};
+}
diff --git a/.config/linux/nix/desktop/configuration.nix b/.config/linux/nix/desktop/configuration.nix
index 3e6d9fb..198dc8e 100644
--- a/.config/linux/nix/desktop/configuration.nix
+++ b/.config/linux/nix/desktop/configuration.nix
@@ -1,134 +1,20 @@
 { config, pkgs, ... }:
 
-# Help: man configuration.nix or https://nixos.org/nixos/options.html
 {
 	imports = [
 		./hardware-configuration.nix
+		../Common.nix
+		../PowersaveAmd.nix
+		../Print.nix
+		../Gnome.nix
+		../Voronind.nix
+		../Flatpak.nix
+		../DockerRootless.nix
 	];
 
-	# Bootloader.
-	boot.loader.systemd-boot.enable      = true;
-	boot.loader.efi.canTouchEfiVariables = true;
-	boot.initrd.kernelModules = [ "amdgpu" ];
-
 	# Network.
-	networking.networkmanager.enable = true;
 	networking.hostName = "desktop";
 
-	# Locale.
-	time.timeZone      = "Europe/Moscow";
-	i18n.defaultLocale = "en_US.UTF-8";
-	i18n.extraLocaleSettings = {
-		LC_ADDRESS        = "ru_RU.UTF-8";
-		LC_IDENTIFICATION = "ru_RU.UTF-8";
-		LC_MEASUREMENT    = "ru_RU.UTF-8";
-		LC_MONETARY       = "ru_RU.UTF-8";
-		LC_NAME           = "ru_RU.UTF-8";
-		LC_NUMERIC        = "ru_RU.UTF-8";
-		LC_PAPER          = "ru_RU.UTF-8";
-		LC_TELEPHONE      = "ru_RU.UTF-8";
-		LC_TIME           = "ru_RU.UTF-8";
-	};
-
-	# GUI.
-	services.xserver.enable = true;
-	services.xserver.videoDrivers = [ "amdgpu" ];
-	services.xserver.displayManager.gdm.enable   = true;
-	services.xserver.desktopManager.gnome.enable = true;
-	services.xserver = {
-		layout     = "us";
-		xkbVariant = "";
-	};
-	hardware.opengl.extraPackages = with pkgs; [
-		amdvlk
-	];
-
-	# Printing.
-	services.printing = {
-		enable = true;
-		clientConf = ''
-			DigestOptions DenyMD5
-			ServerName 192.168.1.2
-		'';
-	};
-
-	# Sound.
-	sound.enable = true;
-	hardware.pulseaudio.enable = false;
-	security.rtkit.enable      = true;
-	services.pipewire = {
-		enable            = true;
-		alsa.enable       = true;
-		alsa.support32Bit = true;
-		pulse.enable      = true;
-	};
-
-	# User.
-	users.users.voronind = {
-		isNormalUser = true;
-		description  = "Dmitry Voronin";
-		extraGroups = [ "networkmanager" ];
-		packages = with pkgs; [
-			gnome.gnome-tweaks
-		];
-	};
-
-	# Flatpak.
-	services.flatpak.enable = true;
-
-	# System packages.
-	environment.systemPackages = with pkgs; [
-		android-tools
-		appimage-run
-		binwalk
-		btop
-		ddrescue
-		git
-		jdk11
-		jdk19
-		lm_sensors
-		lshw
-		gnumake
-		lsof
-		ncdu
-		neovim
-		nmap
-		parallel
-		pv
-		ripgrep
-		scanmem
-		smartmontools
-		steam-run
-		sqlite
-		testdisk
-		tmux
-		virt-manager
-		wget
-	];
-
-	# Docker.
-	virtualisation.docker.enable = true;
-	# users.extraGroups.docker.members = [ "voronind" ];
-	virtualisation.docker.rootless = {
-		enable = true;
-		setSocketVariable = true;
-	};
-
-	# Systemd.
-	systemd.services.powersave = {
-		enable = true;
-		description = "AMD Disable Boost";
-		unitConfig = {
-			Type = "simple";
-		};
-		serviceConfig = {
-			RemainAfterExit = "yes";
-			ExecStart = "${pkgs.bash}/bin/bash -c 'echo 0 > /sys/devices/system/cpu/cpufreq/boost'";
-			ExecStop  = "${pkgs.bash}/bin/bash -c 'echo 1 > /sys/devices/system/cpu/cpufreq/boost'";
-		};
-		wantedBy = [ "multi-user.target" ];
-	};
-
 	# Filesystems.
 	fileSystems."/storage/hot" = {
 		device  = "/dev/storage/hot";
@@ -148,16 +34,6 @@
 		options = [ "noauto" "nofail" ];
 	};
 
-	# Openssh server.
-	services.openssh.enable = false;
-
-	# Firewall.
-	networking.firewall.enable = false;
-
-	# Nix.
-	nixpkgs.config.allowUnfree = true;
-	nix.settings.auto-optimise-store = true;
-
 	# Do not touch ever.
 	system.stateVersion = "23.11";
 }