added home-manager

configs/common.nix

@@ -1,10 +1,13 @@
 { config, pkgs, lib, ... }:
 
 {
+  boot.tmpOnTmpfs = true;
   environment.systemPackages = with pkgs; [
     ack
+    atop
     dfc
     git
+    lsof
     glances
     home-manager
     htop
@@ -23,4 +26,10 @@
     tree
     lm_sensors
   ];
+
+  documentation.enable = false;
+  documentation.nixos.enable = false;
+  #documentation.man.enable = false;
+  documentation.info.enable = false;
+  documentation.doc.enable = false;
 }