用户到期，密码失效。
查看普通用户状态
chage -l cat
Last password change : Mar 16, 2021
Password expires : Jun 14, 2021 #已过期
Password inactive : never
Account expires : never
Minimum number of days between password change : 0
Maximum number of days between password change : 90
Number of days of warning before password expires : 7
解决
chage -M 36000 cat
[root@cat_qq_game1 ~]# chage -l cat
Last password change : Mar 16, 2021
Password expires : never #永不过期
Password inactive : never
Account expires : never
Minimum number of days between password change : 0
Maximum number of days between password change : 36000
Number of days of warning before password expires : 7