Installation on Raspberry Pi 3 (Debian Stretch): echo 'deb http://deb.debian.org/debian stretch-backports main' > /etc/apt/sources.list.d/backports.list apt-get update apt-get install cockpit

Installation on Raspberry Pi 3 (Debian Stretch):

echo 'deb http://deb.debian.org/debian stretch-backports main' > /etc/apt/sources.list.d/backports.list
apt-get update
apt-get install cockpit