I don't think this duplicates #1032823. Had the same problem while upgrading from 14.04 to 15.04 (which is apparently a direct upgrade path now, rather than the update manager doing 14.04 to 14.10 first). Have to manually install the systemd-sysv package to be able to reboot the server at all.
I don't think this duplicates #1032823. Had the same problem while upgrading from 14.04 to 15.04 (which is apparently a direct upgrade path now, rather than the update manager doing 14.04 to 14.10 first). Have to manually install the systemd-sysv package to be able to reboot the server at all.