Repository key

apt-key adv --recv --keyserver hkp://keyserver.ubuntu.com 1148DA8E

Stable Repository

echo 'deb https://packages.openitcockpit.com/repositories/bionic bionic main' > /etc/apt/sources.list.d/openitcockpit.list  # bionic
echo 'deb https://packages.openitcockpit.com/repositories/xenial xenial main' > /etc/apt/sources.list.d/openitcockpit.list  # xenial
echo 'deb https://packages.openitcockpit.com/repositories/stretch stretch main' > /etc/apt/sources.list.d/openitcockpit.list # stretch

Nightly Repository (for developers and expert users)

echo 'deb https://packages.openitcockpit.com/repositories/bionic nightly main' > /etc/apt/sources.list.d/openitcockpit.list # bionic nightly
echo 'deb https://packages.openitcockpit.com/repositories/xenial nightly main' > /etc/apt/sources.list.d/openitcockpit.list # xenial nightly
echo 'deb https://packages.openitcockpit.com/repositories/stretch nightly main' > /etc/apt/sources.list.d/openitcockpit.list # stretch nightly