Quick howto
With curl :
curl -s https://gitlab.altinea.fr/altinea/install-scripts/raw/branch/master/foreman/altinea_puppet_install.sh |/bin/bash
With wget :
wget -q -O - https://gitlab.altinea.fr/altinea/install-scripts/raw/branch/master/foreman/altinea_puppet_install.sh |/bin/bash