before the setup, put the website folder to "/var/www" (share_www)


1) copy the configuration file from the default

   sudo cp /etc/apache2/sites-available/default /etc/apache2/sites-available/icc-computer.com

2) Edit the new configuration file 

   sudo nano /etc/apache2/sites-available/icc-computer.com

   directives
   ==========
   a) ServerAdmin lei@icc-computer.com
   b*) Listen 80 (note: edit in "/etc/apache2/ports.conf", default 80) 
   c) ServerName icc-computer.com
   d) ServerAlias www.icc-computer.com (or:  *.icc-computer.com) 
   e) DocumentRoot /var/www/icc-computer.com
      #DocumentRoot /var/www
   f) DirectoryIndex default.htm (Note: the default valus in "/etc/apache2/apache2.conf")

3) Enable the new VirtualHost or website
  
   sudo a2ensite icc-computer.com

4) restart Apache

   sudo /etc/init.d/apache2 restart