Nix configurations for my homelab
yemou.pink
1{
2 lib,
3 pkgs,
4 modulesPath,
5 ...
6}:
7{
8 imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
9
10 boot = {
11 initrd = {
12 availableKernelModules = [
13 "xhci_pci"
14 "ahci"
15 "nvme"
16 "usbhid"
17 "usb_storage"
18 "sd_mod"
19 ];
20 kernelModules = [ ];
21 };
22 kernel = {
23 sysctl."vm.max_map_count" = 2147483642;
24 sysfs.module.zswap.parameters = {
25 accept_threshold_percent = 90;
26 compressor = "zstd";
27 enabled = "Y";
28 max_pool_percent = 50;
29 shrinker_enabled = "N";
30 zpool = "zsmalloc";
31 };
32 };
33 kernelModules = [ "kvm-intel" ];
34 kernelPackages = pkgs.linuxPackages_latest;
35 kernelPatches = [ ];
36 loader = {
37 efi.canTouchEfiVariables = true;
38 systemd-boot = {
39 configurationLimit = 50;
40 consoleMode = "auto";
41 enable = true;
42 };
43 timeout = 0;
44 };
45 supportedFilesystems = [ "ntfs" ];
46 tmp.useTmpfs = true;
47 };
48
49 fileSystems =
50 let
51 disk-uuid = "/dev/disk/by-uuid/7bf830d4-189d-4e9b-bcb0-565f4ac69e67";
52 in
53 {
54 "/" = {
55 device = "none";
56 fsType = "tmpfs";
57 options = [
58 "defaults"
59 "mode=755"
60 ];
61 };
62 "/data" = {
63 device = disk-uuid;
64 fsType = "btrfs";
65 options = [
66 "subvol=@nixos/data"
67 "compress=zstd"
68 "discard=async"
69 ];
70 neededForBoot = true;
71 };
72 "/nix" = {
73 device = disk-uuid;
74 fsType = "btrfs";
75 options = [
76 "subvol=@nixos/nix"
77 "compress=zstd"
78 "discard=async"
79 ];
80 };
81 "/config" = {
82 device = disk-uuid;
83 fsType = "btrfs";
84 options = [
85 "subvol=@nixos/config"
86 "compress=zstd"
87 "discard=async"
88 ];
89 };
90 "/swap" = {
91 device = disk-uuid;
92 fsType = "btrfs";
93 options = [ "subvol=@swap" ];
94 };
95 "/boot" = {
96 device = "/dev/disk/by-uuid/862D-85DB";
97 fsType = "vfat";
98 options = [
99 "fmask=0077"
100 "dmask=0077"
101 "defaults"
102 ];
103 };
104 };
105
106 swapDevices = [ { device = "/swap/swapfile"; } ];
107
108 hardware = {
109 amdgpu.opencl.enable = true;
110 enableRedistributableFirmware = true;
111 bluetooth = {
112 enable = true;
113 powerOnBoot = true;
114 };
115 cpu.intel.updateMicrocode = true;
116 uinput.enable = true;
117 graphics = {
118 enable = true;
119 enable32Bit = true;
120 extraPackages = with pkgs; [
121 intel-compute-runtime
122 intel-media-driver
123 vpl-gpu-rt
124 ];
125 };
126 };
127
128 powerManagement.cpuFreqGovernor = "performance";
129 networking.useDHCP = lib.mkDefault true;
130 nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
131}