How to enable the "Other User" login in ubuntu 12.04 if the userid I want to use isn't listed on the login screen?
How can I enable the "Other User" option for the login manager in ubuntu 12.04? This was available in older versions of Ubuntu for use in logging in with a user-id other than those listed on the login manager.
Solution 1:
Add greeter-show-manual-login=true to file /etc/lightdm/lightdm.conf. For example:
[SeatDefaults]
greeter-session=unity-greeter
user-session=ubuntu
greeter-show-manual-login=true