“sudo apt-key adv --keyServer keys.gnupg.net--RECV-KEY 6F3EFCDE” Respostas de código

sudo apt-key adv --keyServer keys.gnupg.net--RECV-KEY 6F3EFCDE

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