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systems/x86_64-linux/desktop/hardware-configuration.nix

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+# 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,
+  modulesPath,
+  ...
+}:
+let
+  defeaultBtrfsOptions = [
+    "compress=zstd"
+    "autodefrag"
+  ];
+in 
+{
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+
+  fileSystems."/" = {
+    device = "none";
+    fsType = "tmpfs";
+    options = [
+      "defaults"
+      "size=25%"
+      "mode=755"
+    ];
+  };
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/c6cf43cb-d0d2-4111-bc81-994e41b2632d";
+    fsType = "btrfs";
+    options = [
+      "subvol=nix"
+      "noatime"
+    ] ++ defeaultBtrfsOptions;
+  };
+
+  fileSystems."/etc" = {
+    device = "/dev/disk/by-uuid/c6cf43cb-d0d2-4111-bc81-994e41b2632d";
+    fsType = "btrfs";
+    options = [
+      "subvol=etc"
+      "noatime"
+    ] ++ defeaultBtrfsOptions;
+  };
+
+  fileSystems."/root" = {
+    device = "/dev/disk/by-uuid/c6cf43cb-d0d2-4111-bc81-994e41b2632d";
+    fsType = "btrfs";
+    options = [
+      "subvol=root"
+      "noatime"
+    ] ++ defeaultBtrfsOptions;
+  };
+
+  fileSystems."/var/log" = {
+    device = "/dev/disk/by-uuid/c6cf43cb-d0d2-4111-bc81-994e41b2632d";
+    fsType = "btrfs";
+    options = [
+      "subvol=log"
+      "noatime"
+    ] ++ defeaultBtrfsOptions;
+  };
+
+  fileSystems."/home" = {
+    device = "/dev/disk/by-uuid/c6cf43cb-d0d2-4111-bc81-994e41b2632d";
+    fsType = "btrfs";
+    options = [
+      "subvol=home"
+    ] ++ defeaultBtrfsOptions;
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/216E-A7AC";
+    fsType = "vfat";
+  };
+
+  swapDevices = [
+    {
+      device = "/dev/disk/by-id/nvme-Samsung_SSD_980_PRO_1TB_S5P2NS0T307907H-part2";
+      randomEncryption.enable = true;
+    }
+  ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp10s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp9s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}