https://www.heise.de/tipps-tricks/Raspberry-Pi-als-Webserver-einrichten-so-klappt-s-4988855.html
Nextcloud-auf-dem-Raspberry-Pi-so-geht-s:
curl -sSL https://raw.githubusercontent.com/nextcloud/nextcloudpi/master/install.sh | sudo bash
Connect to your Pi
with no display monitor, keyboard or mouse
This inexpensive microcomputer can be used for a variety of DIY projects. Here's what you need to know before you get started.
http://raspberrypi.stackexchange.com/questions/15192/installing-raspbian-from-noobs-without-display