用戶到期，密碼失效。
查看普通用戶狀態
chage -l cat
Last password change : Mar 16, 2021
Password expires : Jun 14, 2021 #已過期
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
解決
chage -M 36000 cat
[root@cat_qq_game1 ~]# chage -l cat
Last password change : Mar 16, 2021
Password expires : never #永不過期
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