Hello, thank you for your answer, however 2FA is used for GUI, while my request is related to CLI access through SSH.
Moreover, I'd be happy to activate 2FA on my SSH key, but I need to be able to register authorized keys first 
Hello, thank you for your answer, however 2FA is used for GUI, while my request is related to CLI access through SSH.
Moreover, I'd be happy to activate 2FA on my SSH key, but I need to be able to register authorized keys first