add flakes, zen support, some fan speed tryes

nixos/custom.nix

@@ -1,6 +1,8 @@
 { config, pkgs, ... }:
 
 {
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
   networking.nameservers = [ "8.8.8.8" "1.1.1.1" ];
   networking.networkmanager.insertNameservers = [ "1.1.1.1" "8.8.8.8" ];
   networking.firewall.enable = false;
@@ -8,7 +10,45 @@
   programs.firefox.enable = true;
 
   nixpkgs.config.allowUnfree = true;
-  environment.systemPackages = with pkgs; [ kitty amnezia-vpn ];
+  environment.systemPackages = with pkgs; [ kitty amnezia-vpn lenovo-legion ];
+
+  # hardware.fancontrol.enable = true;
+  # hardware.fancontrol.config = ''
+  #   INTERVAL=5
+  #   FCTEMPS=( /sys/class/hwmon/hwmon9/temp1_input )
+  #   FCFANS=( /sys/class/hwmon/hwmon9/pwm1 )
+  #   MINTEMP=25
+  #   MAXTEMP=90
+  #   MINPWM=50
+  #   MAXPWM=200
+  # '';  
+  # hardware.fancontrol.config = ''
+  #   INTERVAL=2
+
+  #   FCTEMPS=hwmon9/device/pwm1=/sys/class/hwmon/hwmon0/temp1_input
+  #   FCFANS=hwmon9/device/pwm1=/sys/class/hwmon/hwmon9/fan1_input
+
+  #   MINTEMP=hwmon9/device/pwm1=25
+  #   MAXTEMP=hwmon9/device/pwm1=80
+
+  #   MINPWM=hwmon9/device/pwm1=0
+  #   MAXPWM=hwmon9/device/pwm1=220
+
+  #   MINSTART=hwmon9/device/pwm1=25
+  #   MINSTOP=hwmon9/device/pwm1=0
+  # '';
+
+  # services.thinkfan = {
+  #   enable = true;
+  #   levels = [
+  #     [ 0 0 25 ] # level, low temp, high temp
+  #     [ 1 20 55 ]
+  #     [ 2 50 65 ]
+  #     [ 3 60 75 ]
+  #     [ 4 70 85 ]
+  #     [ 7 80 200 ]
+  #   ];
+  # };
 
   security.sudo.extraRules = [{
     users = [ "ALL" ];
@@ -52,7 +92,9 @@
 
     consoleLogLevel = 3;
     initrd.verbose = false;
-    kernelModules = [ "tun" ]; # for VPN
+    kernelModules = [ "tun" "lenovo-legion-module" ]; # for VPN
+    extraModulePackages = with config.boot.kernelPackages;
+      [ lenovo-legion-module ];
     kernelParams = [
       "quiet"
       "splash"