anchor.diff:      loader.efi.canTouchEfiVariables = true;
     };
   
  +  system.autoUpgrade.enable = true;
     system.stateVersion = "18.09";
   }
   
  
positive.code:     ];
  
    nixpkgs.config = {
      packageOverrides = pkgs: {
        unstable = import unstableTarball {
          config = config.nixpkgs.config;
  
negative.code: 
    users.users.cyryl = {
      isNormalUser = true;
      extraGroups = [ "wheel" "networkmanager" "video" "scanner" "lp" "docker" "vboxusers"]; 
        packages = with pkgs; [
         firefox chromium terminator zsh keepass fontconfig go nodejs unstable.rustup gcc gdb binutils xclip pkgconfig veracrypt gitAndTools.diff-so-fancy gnome3.gnome-shell-extensions chrome-gnome-shell gnomeExtensions.clipboard-indicator gnomeExtensions.caffeine gnomeExtensions.no-title-bar unstable.gnomeExtensions.gsconnect unstable.appimage-run openjdk10 pdftk pdfshuffler gimp restic 
        ];
      uid = 1000;
      shell = pkgs.zsh;
    };
  
    virtualisation.virtualbox.host = {
      enable = true;
      enableExtensionPack = true;
    };
  
    virtualisation.docker = {
  