chage

pwdutils是一套密码管理工具

#%PAM-1.0
auth     sufficient	pam_rootok.so
auth     required	pam_unix2.so	nullok
account  required	pam_unix2.so
#password required	pam_make.so	/var/yp
password required	pam_permit.so
session  required	pam_deny.so