root@xor:/etc/apache2/sites-available#  apachectl -S
VirtualHost configuration:
*:80                   is a NameVirtualHost
         default server www.test.local (/etc/apache2/sites-enabled/000-default.conf:4)
         port 80 namevhost www.test.local (/etc/apache2/sites-enabled/000-default.conf:4)
         port 80 namevhost mail.test.local (/etc/apache2/sites-enabled/000-default.conf:16)
         port 80 namevhost www.fairelebonchoix.fr (/etc/apache2/sites-enabled/000-default.conf:26)
(2)No such file or directory: AH02291: Cannot access directory '/var/log/apache/' for error log of vhost defined at /etc/apache2/sites-enabled/000-default.conf:16
(2)No such file or directory: AH02291: Cannot access directory '/var/log/apache/' for error log of vhost defined at /etc/apache2/sites-enabled/000-default.conf:4
AH00014: Configuration check failed
Action '-S' failed.
The Apache error log may have more information.