Initial commit

2025-06-05 09:41:36 +02:00 · 2022-12-19 16:36:43 +01:00 · 2022-12-19 16:36:43 +01:00 · a46d297fc7
commit a46d297fc7
8 changed files with 356 additions and 0 deletions
--- a/nixos/modules/default.nix
+++ b/nixos/modules/default.nix
@ -0,0 +1,132 @@
+{ lib, config, pkgs, ... }:
+with lib;
+let cfg = config.kevin;
+in {
+  imports = [
+    ./power.nix
+    ./networking.nix
+    ./audio.nix
+    ./desktop.nix
+    ./yubikey.nix
+  ];
+
+  options.kevin = {
+    defaults = mkOption {
+      type = types.enum [ "none" "laptop" "desktop" ];
+      default = "none";
+    };
+  };
+
+  config = mkIf (cfg.defaults != "none") (mkMerge [
+    ({
+      nixpkgs.config.allowUnfree = true;
+      i18n.defaultLocale = "en_US.UTF-8";
+      
+      console = {
+        font = "Lat2-Terminus16";
+        keyMap = "de";
+      };
+
+      services.xserver.layout = "de";
+      
+      environment.systemPackages = with pkgs; [
+        vim
+        wget
+        curl
+        tmux
+      ];
+    })
+    (mkIf (cfg.defaults == "laptop" || cfg.defaults == "desktop") {
+      kevin.networking.enable = true;
+      kevin.networking.avahi.enable = true;
+      kevin.networking.firewall.wireguard = true;
+      kevin.audio.enable = true;
+      kevin.desktop.enable = true;
+      kevin.desktop.type = "gnome";
+      kevin.yubikey.enable = true;
+
+      environment.systemPackages = with pkgs; [
+        firefox
+        league-of-moveable-type
+      ];
+
+      programs.gnupg.agent = {
+        enable = true;
+        # enableSSHSupport = true;
+      };
+
+      kevin.networking.firewall.syncthing = true;
+      services.syncthing = {
+        enable = true;
+        user = "kevin";
+        dataDir = "/home/kevin/Syncthing";
+        configDir = "/home/kevin/Syncthing/.config/syncthing";
+      };
+
+      services.fwupd.enable = true;
+      hardware.cpu.intel.updateMicrocode = true;
+
+      boot.supportedFilesystems = [ "ntfs" ];
+
+      services.printing.enable = true;
+
+      virtualisation.docker.enable = true;
+
+      users.users.kevin = {
+        isNormalUser = true;
+        description = "Kevin Kandlbinder";
+        extraGroups = [ "wheel" "docker" "dialout" ]; 
+      };
+    })
+    (mkIf (cfg.defaults == "laptop") {
+      kevin.power.mode = "laptop";
+      networking.hostName = "kevin-tp-l580";
+
+      services.xserver.libinput.enable = true;
+
+      hardware.opengl.extraPackages = with pkgs; [
+        vaapiIntel
+        libvdpau-va-gl
+        intel-media-driver
+      ];
+
+      boot.kernel.sysctl = {
+        "vm.swappiness" = 1;
+        "vm.vfs_cache_pressure" = 50;
+        "vm.dirty_background_ratio" = 20;
+        "vm.dirty_ratio" = 50;
+        # these are the zen-kernel tweaks to CFS defaults (mostly)
+        "kernel.sched_latency_ns" = 4000000;
+        # should be one-eighth of sched_latency (this ratio is not
+        # configurable, apparently -- so while zen changes that to
+        # one-tenth, we cannot):
+        "kernel.sched_min_granularity_ns" = 500000;
+        "kernel.sched_wakeup_granularity_ns" = 50000;
+        "kernel.sched_migration_cost_ns" = 250000;
+        "kernel.sched_cfs_bandwidth_slice_us" = 3000;
+        "kernel.sched_nr_migrate" = 128;
+      };
+
+      systemd = {
+        extraConfig = ''
+          DefaultCPUAccounting=yes
+          DefaultMemoryAccounting=yes
+          DefaultIOAccounting=yes
+        '';
+        user.extraConfig = ''
+          DefaultCPUAccounting=yes
+          DefaultMemoryAccounting=yes
+          DefaultIOAccounting=yes
+        ''; 
+        services."user@".serviceConfig.Delegate = true;
+      };
+  
+      systemd.services.nix-daemon.serviceConfig = {
+        CPUWeight = 20;
+        IOWeight = 20;
+      };
+
+      boot.kernelParams = ["cgroup_no_v1=all" "systemd.unified_cgroup_hierarchy=yes"];
+    })
+  ]);
+}