Error 500! nach kompletter Installation

[sufijen]

Code:

root@v1887:~# apache2 -S
VirtualHost configuration:
wildcard NameVirtualHosts and _default_ servers:
*:*                    is a NameVirtualHost
         default server v1887.*myhost*.de (/etc/apache2/sites-enabled/000-default:2)
         port * namevhost v1887.*myhost*.de (/etc/apache2/sites-enabled/000-default:2)
Syntax OK

Wenn ihr wissen wollt, was ihr installiert ist:
http://pastebin.com/m3c9ba4b3