Package: libc6 Version: 2.29-0experimental1 The message seen in the image https://i.stack.imgur.com/UmlmT.png seen in https://serverfault.com/questions/238679/unable-to-force-debian-to-do-unattended-install-libc6-wants-interactive-confi should also mention how to make it not ask ever again. That way people wouldn't need to search Google for the answer.