I have just upgraded to Ubuntu 18.04 from 16.04 and I appear to have lost my ability to login without a password. This is something that I used in 16.04 for a media player computer that I have in my living room.
This question appears to have been asked before, and has been marked as a duplicated here:
However, the answers are about auto-login and I do not want this. I want to get a login dialog with a user name that requires no password, not one that auto-logins in on boot. This is so that I can choose which account to login in to (I have one account for playing media and my own "real" account which I use for sys admin), or so that I can choose session types (my media account mostly uses kodi, but sometimes I need a desktop).
This was possible with previous versions of Ubuntu:
Has it been lost in 18.04?