2018-02-09 redhat 改用户密码

如果你得到了root密码,现在修稿普通用户的密码,该怎么办?

很简单, passwd 用户名 就可以了

其实还有很多的管理命令:
http://www.jb51.net/article/106386.htm

[root@localhost beinan]# passwd --help
Usage: passwd [OPTION...]
-k, --keep-tokens keep non-expired authentication tokens
注:保留即将过期的用户在期满后能仍能使用;
-d, --delete delete the password for the named account (root only)
注:删除用户密码,仅能以root权限操作;
-l, --lock lock the named account (root only)
注:锁住用户无权更改其密码,仅能通过root权限操作;
-u, --unlock unlock the named account (root only)
注:解除锁定;
-f, --force force operation
注:强制操作;仅root权限才能操作;
-x, --maximum=DAYS maximum password lifetime (root only)
注:两次密码修正的最大天数,后面接数字;仅能root权限操作;
-n, --minimum=DAYS minimum password lifetime (root only)
注:两次密码修改的最小天数,后面接数字,仅能root权限操作;
-w, --warning=DAYS number of days warning users receives before
注:在距多少天提醒用户修改密码;仅能root权限操作;
password expiration (root only)
-i, --inactive=DAYS number of days after password expiration when an
注:在密码过期后多少天,用户被禁掉,仅能以root操作;
account becomes disabled (root only)
-S, --status report password status on the named account (root 注:查询用户的密码状态,仅能root用户操作;
only)
--stdin read new tokens from stdin (root only)

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