ubuntu系統設置密碼報錯 Module is unknown

# passwd

passwd: Module is unknown

passwd: password unchanged

 

# cd /etc/pam.d

# cat common-password  | egrep -v "#|^$"

password        [success=1 default=ignore]      pam_unix.so sha512 shadow nullok try_first_pass remember=10

password        requisite                       pam_deny.so

password        required                        pam_permit.so

password        requisite                       pam_pwquality.so try_first_pass local_users_only retry=5 difok=3 minlen=8 minclass=3 enforce_for_root

 

註釋最後一行

 

參考：

https://blog.csdn.net/Listen2You/article/details/92072547