#%PAM-1.0 auth required pam_env.so auth sufficient pam_tcb.so shadow nullok prefix=$2a$ count=8 auth required pam_deny.so account required pam_tcb.so shadow password required pam_cracklib.so try_first_pass retry=3 password sufficient pam_tcb.so use_authtok shadow write_to=shadow nullok prefix=$2a$ count=8 password required pam_deny.so session optional pam_keyinit.so revoke session required pam_limits.so session [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid session required pam_tcb.so