Raspberry Pi Upgrade von Jessie to Stretch

Einloggen als root, ansonsten alle Befehle mit sudo ausführen
apt-get update
apt-get upgrade
apt-get dist-upgrade
reboot
sed -i 's/jessie/stretch/g' /etc/apt/sources.list
sed -i /deb/s/jessie/stretch/g /etc/apt/sources.list.d/*.list
apt-get update
apt-get upgrade
apt-get dist-upgrade
reboot

Fertig... :-D