Add linode hardware configuration

etc/nixos/hardware-configuration.nix

@@ -0,0 +1,31 @@
+# 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, ... }:
+
+{
+  imports =
+    [ <nixpkgs/nixos/modules/profiles/qemu-guest.nix>
+    ];
+
+  boot.initrd.availableKernelModules = [ "virtio_pci" "ahci" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/e541bdc3-79d6-459f-9169-92b13b0a8959";
+      fsType = "ext4";
+    };
+
+  fileSystems."/var" =
+    { device = "/dev/disk/by-uuid/79f8fbbd-476d-4e1a-9675-a8474d98f42f";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/45c8ad29-3861-4e68-a566-47e6d9269dca"; }
+    ];
+
+  nix.maxJobs = lib.mkDefault 2;
+}