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Linux设置用户密码XX天后失效的方法

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  1. 新增用户peter并设置密码huawei@123
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    useradd peter
    echo peter:huawei@123 | chpasswd
  2. 使用chage命令设置密码过期时间，这里设置7天后密码过期，过期后立即失效
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    chage -m 0 -M 7 -I 0 peter

chage命令用法参考：

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chage -l
  -I, --inactive INACTIVE       set password inactive after expiration
                                to INACTIVE
  -l, --list                    show account aging information
  -m, --mindays MIN_DAYS        set minimum number of days before password
                                change to MIN_DAYS
  -M, --maxdays MAX_DAYS        set maximum number of days before password
                                change to MAX_DAYS

查看信息

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$ chage -l peter
Last password change                                    : Feb 13, 2023
Password expires                                        : Feb 20, 2023
Password inactive                                       : Feb 20, 2023
Account expires                                         : never
Minimum number of days between password change          : 0
Maximum number of days between password change          : 7
Number of days of warning before password expires       : 7

$ cat /etc/shadow | grep peter
peter:$6$XIgc5bJIYhYHSc$Rf0yw7MD2HRPecEwJr9VlshwzBWre6al2lwsfGeB2uVcq1pQaxz2tyvb2r9RtQCSls1sAddjs3BRUCN8IF8fR.:19401:0:7:7:0::