title: I can't edit file "httpd-xampp.conf" to enable access XAMPP
body: <p>I have a problem to edit file "httpd-xampp.conf"
  when I typed nano httpd-xampp.conf?</p>
  
  <p><strong><em>can not open editor</em></strong>
  <img src="https://i.stack.imgur.com/gJpsU.png" alt="can not open editor"></p>