hosts/Infini-SERVER: update configuration

hosts/Infini-SERVER/default.nix

@@ -1,6 +1,8 @@
 { suites, profiles, pkgs, lib, ... }: {
   imports = lib.flatten [
     (with suites; [ base ])
+
+    ./hardware-configuration.nix
   ];
 
   modules = {
@@ -9,8 +11,35 @@
       timeout = 1;
     };
     hardware = {
-      gpu.nvidia = true;
+      # gpu.nvidia = true;
       form.server = true;
     };
+    filesystems = {
+      enable = true;
+      btrfs.enable = true;
+    };
+  };
+
+  environment.persistence."/persist" = {
+    directories = [
+      "/home"
+      "/etc/nixos"
+
+      # /var directories
+      "/var/log"
+      "/var/lib/systemd/coredump"
+    ];
+
+    files = [
+      "/etc/machine-id"
+
+      "/etc/ssh/ssh_host_rsa_key"
+      "/etc/ssh/ssh_host_rsa_key.pub"
+      "/etc/ssh/ssh_host_ed25519_key"
+      "/etc/ssh/ssh_host_ed25519_key.pub"
+
+      "/root/.local/share/nix/trusted-settings.json"
+      "/root/.ssh/known_hosts"
+    ];
   };
 }

hosts/Infini-SERVER/hardware-configuration.nix

@@ -0,0 +1,66 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+let
+  uuid = uuid: "/dev/disk/by-uuid/${uuid}";
+in
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "usb_storage" "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+  boot.kernelParams = [ "boot.shell_on_fail" ];
+  boot.supportedFilesystems = [ "btrfs" ];
+
+  fileSystems =
+    let
+      main = uuid "577db170-141b-4131-8df5-ca5e7b595294";
+      esp = uuid "E6C2-3E00";
+    in
+    {
+      "/" = {
+        device = "none";
+        fsType = "tmpfs";
+        options = [ "defaults" "size=4G" "mode=755" ];
+      };
+
+      "/persist" = {
+        device = main;
+        fsType = "btrfs";
+        options = [ "subvol=root" "autodefrag" "noatime" "ssd" ];
+        neededForBoot = true;
+      };
+
+      "/nix" = {
+        device = main;
+        fsType = "btrfs";
+        options = [ "subvol=nix" "autodefrag" "noatime" "ssd" ];
+        neededForBoot = true;
+      };
+
+      "/boot" = {
+        device = main;
+        fsType = "btrfs";
+        options = [ "subvol=boot" "autodefrag" "noatime" "ssd" ];
+        neededForBoot = true;
+      };
+
+      "/boot/efi" = {
+        device = esp;
+        fsType = "vfat";
+        neededForBoot = true;
+      };
+    };
+
+  swapDevices = [
+    { device = uuid "d6a57248-e29b-4366-aec6-721a7ddbe2ec"; }
+  ];
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
+}