If you install ubuntu-keyring as well this problem still occurs. Installing both ubuntu-keyring and gnupg is sufficient for it not to happen (because /etc/apt/trusted.gpg is now automatically created).
-- /usr/share/apt/ubuntu-archive.gpg is missing but necessary for fresh install https://bugs.launchpad.net/bugs/620576 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs