lightdm-gtk-greeter does not work fine... no visual countdown/other display of the autologin timeout. See https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/902852/comments/31
XDM also does not allow to cancel autologin before the time elapses.
lightdm-gtk-greeter does not work fine... no visual countdown/other display of the autologin timeout. See https:/ /bugs.launchpad .net/ubuntu/ +source/ lightdm/ +bug/902852/ comments/ 31
XDM also does not allow to cancel autologin before the time elapses.