I'm marking this as Opinion. Here's why:
The local sysadmin may have created a Docker group, but *not* intended to give the rights to use Docker to those users. Remember, the Docker group is root equivelent. [tag@cassiel:~][⌚ 09:02 PM] ♥ docker run -it --rm -v /./:/mnt debian:unstable chroot /mnt # ls /home tag As such, on conflict, I'd prefer a failure to install. Marking Opinion. ** Changed in: docker.io (Ubuntu) Status: New => Opinion -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1407841 Title: docker.io package fails install if docker group is pre-existing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/docker.io/+bug/1407841/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs