“sudo apt-key adv - keyserver keys.gnupg.net --rev-key 6f3efcde” Réponses codées

sudo apt-key adv - keyserver keys.gnupg.net --rev-key 6f3efcde

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C8B3A55A6F3EFCDE
sudo apt-get update