[Touch-packages] [Bug 1650634] Re: when installing systemd, it creates /run/nologin preventing all users from logging in.

Graham, you could be hit by a different bug. (In my case it was fubared NFS mount from fstab – turns out NFS mounts should be removed from fstab before upgrades) You are interested in solving "pam_nologin should allow sudoers to log in" – it is bug #1847902 -- You received this bug notification

[Touch-packages] [Bug 1847902] [NEW] pam_nologin should optionally exclude users of the "wheel" group from its access restrictions

Public bug reported: During a remote system upgrade (18.04 to 19.04) something went south and after reboot the machine is stuck at some place in its boot sequence. SSH works, but trying to log-in with a sudo-capable user results in: "System is booting up. Unprivileged users are not permitted