How to install QGIS-Server on the server with ISPConfig? Basic manual page : hub.qgis.org/projects/quantum-gis/wiki/qgis_server_tutorial#Webserver-configuration Code: sudo apt-get install qgis-server libapache2-mod-fcgid a2enmod cgid sudo service apache2 restart Installation is very simple for: /var/www but ISPConfig generates a different path: /var/www/clients/client[client_id]/web[website_id] ERROR 500 - Internal Server Error! example.com/cgi-bin/qgis_mapserv.fcgi?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetCapabilities What else can I do?