On Tue, 02 Sep 2014 19:59:05 +0200 Paul van der Vlis <paul@vandervlis.nl> wrote: > Background: When I login with GDM with an LDAP user GDM remembers this > user and present them the next time. I've used some testusers with > strange names and I would like to remove these users, because I want to > make an image of this machine. "apt-get purge gdm3" does not help to > remove this data. Take a look at /var/cache