Besides, onscreen keyboard could be available by default: http://ubuntuhandbook.org/index.php/2014/06/enable-onscreen-keyboard-in-lightdm-gtk-greeter-in-ubuntu-14-04/
Besides, onscreen keyboard could be available by default: http:// ubuntuhandbook. org/index. php/2014/ 06/enable- onscreen- keyboard- in-lightdm- gtk-greeter- in-ubuntu- 14-04/