added multi-machine setup

Signed-off-by: Stefan Ellmauthaler <stefan.ellmauthaler@tu-dresden.de>

README.md

@@ -1,5 +1,11 @@
 # Nix-configuration
 
+## Installing on a system:
+
+* create a new folder in machine for the system configuration
+* create a symlink in the machine folder to the actual machine, called current
+  > e.g. $/etc/nixos/machine/> ln -s nucturne/ current
+
 ## Steps to fully finish home-setup:
 
 * add home-manager channel to private channel-list (nix-channel add https://github.com/nix-community/home-manager/archive/release-21.05.tar.gz home-manager)

configuration.nix

@@ -7,7 +7,7 @@
 {
   imports =
     [ # Include the results of the hardware scan.
-      ./hardware-configuration.nix
+      ./machine/current/hardware-configuration.nix
       ./programs/emacs
       ./programs/aspell.nix
     ];

hardware-configuration.nix

@@ -1,38 +0,0 @@
-# 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, ... }:
-
-{
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" "sdhci_pci" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/da267a3c-34e3-4218-933f-10738ee61eb6";
-      fsType = "ext4";
-    };
-
-  fileSystems."/home" =
-    { device = "/dev/disk/by-uuid/9ebd7aff-629b-449b-83d8-6381a04eb708";
-      fsType = "ext4";
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/DE6D-C383";
-      fsType = "vfat";
-    };
-
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/0069f1fa-dd8e-4c0a-8f01-a576af29909e"; }
-    ];
-
-  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
-  # high-resolution display
-  hardware.video.hidpi.enable = lib.mkDefault true;
-}