#%PAM-1.0
auth       required	/lib/security/pam_pwdb.so md5 shadow 
account    required	/lib/security/pam_pwdb.so
password   required	/lib/security/pam_cracklib.so difok=2 minlen=8 dcredit=2 ocredit=2 retry=3
password   required	/lib/security/pam_pwdb.so md5 shadow use_authtok
password   required	/lib/security/pam_make.so /var/db