consolekit has been replaced by logind in Ubuntu 13.10. Use this command instead:
loginctl list-sessions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1242273 Title: ck-list-sessions no longer prints anything To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/consolekit/+bug/1242273/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs