Your website's Full Path

You can upload Server.cgi to your cgi-bin dir to check your server setting. remember to rename this file to server.cgi and chmod to 755

Normally, your full path to your /var/www/html/ folder should be /home/virtual/site#/fst/var/www/html/
      your full path to your /var/www/cgi-bin/ folder should be /home/virtual/site#/fst/var/www/cgi-bin/
       # --- you can also find it in your control panel.

If your website is in the new servers ( ensim 3.5 and above ), your html folder full path should be /var/www/html. The cgi-bin folder full path should be /var/www/html