# mkdir /etc/apache2/ssl
# cd /etc/apache2/ssl
# openssl req -new -x509 -days 3650 -nodes -out /etc/apache2/ssl/ServerDienstCert.pem -keyout /etc/apache2/ssl/ServerDienstKey.pem
# a2enmod ssl
# vi apache2.conf

Listen 443
<VirtualHost IPDesServers:443>
ServerName FQDN
DocumentRoot  /Wo/Auch/Immer/
SSLEngine On
SSLCertificateFile /etc/apache2/ssl/ServerDienstCert.pem
SSLCertificateKeyFile /etc/apache2/ssl/ServerDienstKey.pem
</VirtualHost>

# service apache2 restart