Linux(Centos 7.6)命令详解：chage

1.命令作用

修改用户密码过期信息(change user password expiry information)

2.命令语法

Usage: chage [options] LOGIN

3.参数详解

OPTION:

• -d, --lastday LAST_DAY，设置最后一次修改密码的日期为LAST_DAY
• -E, --expiredate EXPIRE_DATE，设置帐户过期日期为EXPIRE_DATE
• -h, --help，显示此帮助信息并退出
• -I, --inactive INACTIVE，设置密码过期后INACTIVE天不能登录系统
• -l, --list，显示用户密码策略详细信息
• -m, --mindays MIN_DAYS，设置密码更改之间的最小天数为MIN_DAYS
• -M, --maxdays MAX_DAYS，修改密码的最大有效期为MAX_DAYS
• -R, --root CHROOT_DIR，指定chroot目录执行命令(参考chroot命令用法)
• -W, --warndays WARN_DAYS，设置密码过期前WARN_DAYS天提示警告

4.常用用例

4.1.查看用户密码策略

[root@node1 ~]# chage -l user1
Last password change					            : Jun 11, 2025
Password expires					                : never
Password inactive					                : never
Account expires						                : never
Minimum number of days between password change		: 0
Maximum number of days between password change		: 99999
Number of days of warning before password expires	: 7
[root@node1 ~]# 

4.2.修改用户密码策略

[root@node1 ~]# chage -d '2025-05-10' user1   # 置最后一次修改密码的日期为'2025-05-10'
[root@node1 ~]# chage -E '2025-10-10' user1   # 设置帐户过期日期为'2025-10-10'
[root@node1 ~]# chage -m 8 user1              # 设置密码更改之间的最小天数为8天
[root@node1 ~]# chage -M 88888 user1          # 修改密码的最大有效期为88888天
[root@node1 ~]# chage -W 14 user1             # 设置密码过期前14天提示警告             
[root@node1 ~]# chage -l user1
Last password change					            : May 10, 2025
Password expires					                : never
Password inactive					                : never
Account expires						                : Oct 10, 2025
Minimum number of days between password change		: 8
Maximum number of days between password change		: 88888
Number of days of warning before password expires	: 14
[root@node1 ~]# 
[root@node1 ~]# passwd -S user1
user1 PS 2025-05-10 8 88888 14 -1 (Alternate authentication scheme in use.)
[root@node1 ~]# cat /etc/shadow | grep user1
user1:jingjing:20218:8:88888:14::20371:
[root@node1 ~]# chage -I 7 user1              # 设置密码过期后7天不能登录系统
[root@node1 ~]# passwd -S user1
user1 PS 2025-05-10 8 88888 14 7 (Alternate authentication scheme in use.)
[root@node1 ~]# cat /etc/shadow | grep user1
user1:jingjing:20218:8:88888:14:7:20371:
[root@node1 ~]#