用户管理
周一, 2007-11-12 20:38 — beinan
用户管理
使用 util-linux 软件包所提供的标准命令可以添加/删除用户及组群：
useradd, userdel,
groupadd, groupdel,
passwd, 以及 gpasswd.
典型的用户添加命令如下：
#useradd -m -s /bin/bash johndoe
#passwd johndoe
第一个命令将会为系统添加一个名为 johndoe 的用户，在 /home/johndoe 为他创建用户目录，然后在目录下放置一些默认的登入文件。系统还会将他登入的 Shell （命令行解释器）设定为 /bin/bash。
第二个命令将会向你请求一个 johndoe 用户的密码。激活帐户是需要设置密码的。
作为命令 useradd 的另一可选项，adduser 脚本同样可以通过一些简单的问题交互为你的系统创建新的用户。
余下的命令可通过查看 manpages 来获得更多的信息。
为日常工作创建一个或多个常规用户是个好主意，它可以充分的使用所有可用的安全的功能以及将可能的损害最小化，而 root 用户仅用于系统管理。
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