title: How to edit httpd.conf file in AMAZON EC2
body: <p>I am new on AMAZON EC2 Server, recently I have Installed PHP and MySQL and now I want to update file <code>/etc/httpd/conf/httpd.conf</code></p>
  
  <p>but the problem is, when I am going to update it, it display error like - <code>Permission denied</code>. What is the best way to update it?</p>