说明

  chage命令用于查看或修改用户密码的有效期。

格式

  chage [option] [username]

常用参数

• -d：设置上一次密码更改的日期
• -E：账号过期的日期，格式YYYY-MM-DD
• -I：设置密码过期多少天后禁用该账号
• -l：显示账号有效期的信息
• -m：密码可以更改的最小天数，默认为0，表示任何时间都可以更改密码
• -M：密码保持有效的最大天数
• -W：密码到期天，提前收到报警信息的天数

示例

1、-显示用户有效期信息
[root@localhost ~]# chage -l skip
Last password change                    : May 12, 2018
Password expires                    : Jul 11, 2018
Password inactive                    : Aug 10, 2018
Account expires                        : never
Minimum number of days between password change        : 7
Maximum number of days between password change        : 60
Number of days of warning before password expires    : 10

2、要求skip用户在30天之内不能修改密码，60天后必须修改密码，过期前5天通知用户，过期5天后禁用用户登录
[root@localhost ~]# chage -m 30 -M 60 -W 5 -I 10 skip
[root@localhost ~]# chage -l skip
Last password change                    : May 12, 2018
Password expires                    : Jul 11, 2018
Password inactive                    : Jul 21, 2018
Account expires                        : never
Minimum number of days between password change        : 30
Maximum number of days between password change        : 60
Number of days of warning before password expires    : 5

3、-E参数的使用
[root@localhost ~]# chage -E "2018-12-31" skip
[root@localhost ~]# chage -l skip
Last password change                    : May 12, 2018
Password expires                    : Jul 11, 2018
Password inactive                    : Jul 21, 2018
Account expires                        : Dec 31, 2018
Minimum number of days between password change        : 30
Maximum number of days between password change        : 60
Number of days of warning before password expires    : 5