The users i see at GDM greeter are, 'dave' and 'mysql' :
$ ck-history --frequent dave 2895 gdm 249 root 15 puppet 13 mysql 2
The users i see at GDM greeter are, 'dave' and 'mysql' :
$ ck-history --frequent
dave 2895
gdm 249
root 15
puppet 13
mysql 2