Import public GPG key | Oeffentlichen GPG Schluessel importieren: wget https://download.tinkerforge.com/apt/debian/tinkerforge.asc -q -O - | sudo tee /etc/apt/trusted.gpg.d/tinkerforge.asc > /dev/null Add APT repository | APT Repository hinzufuegen: echo "deb https://download.tinkerforge.com/apt/debian $(. /etc/os-release; echo $VERSION_CODENAME) main" | sudo tee /etc/apt/sources.list.d/tinkerforge.list Update APT package list | APT Paketliste aktualisieren: sudo apt update