Neither of those work in 14.04. The first brings up the gnome- screensaver lock screen (if you even have it installed, which I don't), the second the lock screen of whatever screensaver you use (in my case xscreensaver). They do not bring up the Unity lock screen.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1338814 Title: dm-tool lock command does display proper lock screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1338814/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
