gaga@gaga-desktop:~$ apache2 -S
VirtualHost configuration:
wildcard NameVirtualHosts and _default_ servers:
*:443                  is a NameVirtualHost
         default server localhost (/etc/apache2/sites-enabled/ssl:2)
         port 443 namevhost localhost (/etc/apache2/sites-enabled/ssl:2)
*:*                    is a NameVirtualHost
         default server localhost (/etc/apache2/sites-enabled/000-default:2)
         port * namevhost localhost (/etc/apache2/sites-enabled/000-default:2)
Syntax OK