I have now rebooted it and all seems well except for when running 'sudo apt-get dist-upgrade' I get the following error so I don't think that it did finish:
E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1553230 Title: Something very strange happened during a dist-upgrade - 16.04 Beta 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-gnome/+bug/1553230/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs