fixed system variable for obtaining hostname

run.rb

@@ -107,7 +107,7 @@ def handle_message(message)
             #end
         when '/location', '/whereareyou'
             if message_from_admin?(message, adm) || is_chat_authorized?(message, @auth_chat)
-                reply = "I am currently located at:\n\nHost: #{`echo $HOSTNAME`}ExtIP: #{`curl myip.contegix.com 2>/dev/null`}"
+                reply = "I am currently located at:\n\nHost: #{`echo $HOST`}ExtIP: #{`curl myip.contegix.com 2>/dev/null`}"
             else
                 reply = "Refusal: I am not authorized to provide this information here."
             end