title: Running two Apache in a webserver
body: <p>I Installed httpd on two directories on my machine.</p>
  
  <p>one is using yum - /etc/httpd
  other is using compilation of tar.bz package - /usr/local/apache</p>
  
  <p>how can i identify, out of two installation, which apache instance is running on my system, and how can i deactivate one installation by using other one ?</p>