diff --git a/home/code.nix b/home/code.nix
index 3e5e350..d1ba341 100644
--- a/home/code.nix
+++ b/home/code.nix
@@ -31,6 +31,9 @@
       " YouCompleteMe
       let g:ycm_key_list_stop_completion = ['<C-y>', '<CR>'] 
       let g:ycm_key_list_select_completion = ['<Up>', '<Down>', '<TAB>'] 
+
+      " enable indent guides
+      let g:indent_guides_enable_on_vim_startup = 1
     '';
 
     viAlias = true; 
diff --git a/home/gnome.nix b/home/gnome.nix
index 8b804e5..993a283 100644
--- a/home/gnome.nix
+++ b/home/gnome.nix
@@ -39,6 +39,9 @@
 
       # lock screen
       screensaver = [ "<Primary><Alt>l" ];
+
+      # disable screenshot
+      screenshot = [];
     };
 
     "org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom0" =
diff --git a/home/home.nix b/home/home.nix
index 4521ce7..43e7552 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -18,9 +18,6 @@ in {
 
   imports = [ ./git.nix ./gnome.nix ./zsh.nix ./code.nix ];
 
-  # Let Home Manager install and manage itself.
-  programs.home-manager.enable = true;
-
   # Home Manager needs a bit of information about you and the
   # paths it should manage.
   home.username = "giulio";
@@ -48,6 +45,9 @@ in {
 
     # reversing
     rizin
+    
+    # networking
+    nmap 
 
     # development
     clang
@@ -64,6 +64,9 @@ in {
 
     # misc
     bind
+    
+    # system
+    gparted
 
     # autostart
     albert_autostart