#%PAM-1.0 auth sufficient pam_rootok.so 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 session required pam_unix.so session required pam_env.so session required pam_limits.so change_uid session optional pam_xauth.so