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  • passwd命令限制用户密码到期时间

    1.passwd命令

    [root@rhel7 skel]# passwd  -n 3 -w 2 -x 5 rusky
    Adjusting aging data for user rusky.
    passwd: Success 
    
    说明:20160617 
    -n 3: a minimal usage period of 3 days ---3天后用户才能修改密码
    -x 5: an expiry after 5 days   ----5天后密码自动过期
    -w 2: a warning is generated 2 days before expiry  ---离密码过期时间2天内提示用户

    2.chage -l命令

    Showing Password Expiry Information with  chage -l

    [root@rhel7 skel]# chage -l rusky
    Last password change                                    : Jun 17, 2016
    Password expires                                        : Jun 22, 2016 --密码过期时间
    Password inactive                                       : never
    Account expires                                         : never
    Minimum number of days between password change          : 3
    Maximum number of days between password change          : 5
    Number of days of warning before password expires       : 2

    如果时间小于(Minimum number of days between password change : 3),则不允许修改密码。

    [rusky@rhel7 ~]$ passwd 
    Changing password for user rusky.
    Changing password for rusky.
    (current) UNIX password: 
    You must wait longer to change your password
    passwd: Authentication token manipulation error
    [rusky@rhel7 ~]$ 
    
    [lxj@rhel7 ~]$ su - rusky
    Password: 
    Warning: your password will expire in 1 day  --提示密码1天后到期
    Last login: Mon Jun 20 22:16:31 EDT 2016 on pts/0
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  • 原文地址:https://www.cnblogs.com/rusking/p/5603599.html
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