Hi there,
thanks for the fast answer, dan.
Ifound the following solution:
In /etc/apache2/ edit apache2.conf
Change
<Directory /var/www/>
Options Indexes FollowSymLinks
AllowOverride none
Require all granted
</Directory>
into
<Directory /var/www/>
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
</Directory>
Afterwards stop apache2 with
sudo service apache2 stop
,then
sudo a2enmod rewrite
and finally start apache2 again
sudo service apache2 restart
Worked for me on Ubuntu 14.04.3 server, but should work with every Ubuntu 14.04.