Linux chage命令怎么用

本文小編為大家詳細介紹“Linux chage命令怎么用”，內容詳細，步驟清晰，細節處理妥當，希望這篇“Linux chage命令怎么用”文章能幫助大家解決疑惑，下面跟著小編的思路慢慢深入，一起來學習新知識吧。

linux chage命令簡介：

chage命令用于密碼實效管理，該是用來修改帳號和密碼的有效期限。它可以修改賬號和密碼的有效期。對于chage命令的描述如下所示：

the chage command changes the number of days between password changes and the date of the last password change. this information is used by the system to determine when a user must change his/her password

命令語法：

chage [options] user

命令參數：

使用示例：

1: 查看chage命令的幫助信息

[root@db-server ~]#man chage
[root@db-server ~]# info chage
[root@db-server ~]# chage -h
usage: chage [options] user

options:

-d, --lastday last_day set last password change to last_day
-e, --expiredate expire_date set account expiration date to expire_date
-h, --help display this help message and exit
-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 maximim number of days before password
change to max_days
-w, --warndays warn_days set expiration warning days to warn_days

2：查看mysql用戶以及密碼的有效期

[root@db-server ~]# chage -l mysql
last password change : mar 26, 2015
password expires : never
password inactive : never
account expires : never
minimum number of days between password change : -1
maximum number of days between password change : -1
number of days of warning before password expires : -1
[root@db-server ~]#

3：設置mysql用戶60天后密碼過期，至少7天后才能修改密碼，密碼過期前7天開始收到告警信息。

[root@db-server ~]# chage -m 60 -m 7 -w 7 mysql
you have new mail in /var/spool/mail/root
[root@db-server ~]# chage -l mysql
last password change : mar 26, 2015
password expires : may 25, 2015
password inactive : never
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 : 7
[root@db-server ~]#
clip_image001

4：強制新建用戶第一次登陸時修改密碼

[root@db-server home]# useradd test
[root@db-server home]# passwd test
changing password for user test.
new unix password:
retype new unix password:
passwd: all authentication tokens updated successfully.
[root@db-server home]# chage -d 0 test
you have new mail in /var/spool/mail/root
[root@db-server home]# chage -l test
last password change : password must be changed
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

下面給大家介紹linux chage命令

功能：修改帳號和密碼的有效期限

用法：chage[-l][-m mindays][-m maxdays][-i inactive][-e expiredate][-w warndays][-d lastdays]username

參數：

-l：列出用戶的以及密碼的有效期限
-m:修改密碼的最小天數
-m：修改密碼的最大天數
-i：密碼過期后，鎖定帳號的天數
-d：指定密碼最后修改的日期
-e：有效期，0表示立即過期，-1表示永不過期
-w：密碼過期前，開始警告天數

讀到這里，這篇“Linux chage命令怎么用”文章已經介紹完畢，想要掌握這篇文章的知識點還需要大家自己動手實踐使用過才能領會，如果想了解更多相關內容的文章，歡迎關注億速云行業資訊頻道。