session     optional                   pam_umask.so silent
session     [success=1 default=ignore] pam_succeed_if.so service !~ gdm* service !~ su* quiet
session     [default=1]                pam_lastlog.so nowtmp {if "with-silent-lastlog":silent|showfailed}
session     optional                   pam_lastlog.so silent noupdate showfailed