-account required pam_time.so
-account required pam_unix.so
-password required pam_cracklib.so difok=2 minlen=8 dcredit=2 ocredit=2 retry=3
-password required pam_unix.so md5 shadow use_authtok
-password required pam_make.so /var/db
-session required pam_unix.so
-session required pam_env.so
-session required pam_limits.so change_uid
+account include system-auth
+password include system-auth
+session optional pam_keyinit.so force revoke
+session include system-auth