Linux 基礎指令 -- chage

指令介紹

指令：chage 管理使用者密碼時效問題

用法：chage [options] LOGIN chage 使用者

指令選項

[root@fp-21 ~]# chage
 
  -d, --lastday LAST_DAY        # 指定日期為最近一次密碼修改時間
  -E, --expiredate EXPIRE_DATE  # 指定日期為使用者密碼過期時間
  -h, --help                    # 幫助文檔
  -I, --inactive INACTIVE       # 密碼過期後，設定為失效
  -l, --list                    # 顯示使用者密碼資訊
  -m, --mindays MIN_DAYS        # 設定兩次更改密碼之間的最短天數
  -M, --maxdays MAX_DAYS        # 設定兩次更改密碼之間的最長天數
  -W, --warndays WARN_DAYS      # 設定密碼失效前的警告天數
           

指令執行個體

# 指定日期為最近一次密碼修改時間
[[email protected]-21 ~]# chage -d 2020/2/15 tom
[[email protected]-21 ~]# chage -l tom
Last password change					: Feb 15, 2020
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

# 指定日期為使用者密碼過期時間
[[email protected]-21 ~]# chage -E 2020/2/20 tom
[[email protected]-21 ~]# chage -l tom
Last password change					: Feb 15, 2020
Password expires					: never
Password inactive					: never
Account expires						: Feb 20, 2020
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

# 顯示使用者密碼資訊
[[email protected]-21 ~]# chage -l tom
Last password change					: Feb 15, 2020
Password expires					: never
Password inactive					: never
Account expires						: Feb 20, 2020
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


# 設定兩次更改密碼之間的最短天數
[[email protected]-21 ~]# chage -m 1 tom
[[email protected]-21 ~]# chage -l tom
Last password change					: Feb 15, 2020
Password expires					: never
Password inactive					: never
Account expires						: Feb 20, 2020
Minimum number of days between password change		: 1
Maximum number of days between password change		: 99999
Number of days of warning before password expires	: 7

# 設定兩次更改密碼之間的最長天數
[[email protected]-21 ~]# chage -M 10 tom
[[email protected]-21 ~]# chage -l tom
Last password change					: Feb 15, 2020
Password expires					: Feb 25, 2020
Password inactive					: never
Account expires						: Feb 20, 2020
Minimum number of days between password change		: 1
Maximum number of days between password change		: 10
Number of days of warning before password expires	: 7

# 設定密碼失效前的警告天數
[[email protected]-21 ~]# chage -W 3 tom
[[email protected]-21 ~]# chage -l tom
Last password change					: Feb 15, 2020
Password expires					: Feb 25, 2020
Password inactive					: never
Account expires						: Feb 20, 2020
Minimum number of days between password change		: 1
Maximum number of days between password change		: 10
Number of days of warning before password expires	: 3
           

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