sudo apt-key adv --fetch-keys https://cpkg.datto.com/DATTO-PKGS-GPG-KEY
echo "deb [arch=amd64] https://cpkg.datto.com/datto-deb/public/$(lsb_release -sc) $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/datto-linux-agent.list
sudo apt-get update
sudo apt-get install dattobd-dkms dattobd-utils
===== Urbackup fuer Verwendung von dattobd konfigurieren =====
uninstall_urbackupclient
und anschliessend den Client neu installieren.