#%PAM-1.0
auth sufficient pam_rootok.so
-auth required pam_wheel.so group=wheel
+auth required pam_wheel.so group=wheel
auth required pam_unix.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_unix.so md5 shadow use_authtok
session required pam_unix.so
session required pam_env.so
session required pam_limits.so change_uid