Remap caps to escape

configuration.nix

@@ -50,6 +50,9 @@ in
   #   useXkbConfig = true; # use xkbOptions in tty.
   # };
 
+  # Use X11 caps lock to escape remap in TTY
+  console.useXkbConfig = true;
+
   # Enable the X11 windowing system.
   services = {
     xserver = {
@@ -61,6 +64,7 @@ in
           tapping = true;
         };
       };
+      xkbOptions = "caps:escape";
       displayManager = {
       	lightdm.enable = true;
         #sddm.enable = true;