centos系统账号

云服务器 ECS CentOS 系统限制普通用户切换到 root 管理员账号

默认的情况下，普通用户通过 su 命令且输入了正确的 root 密码，...为了加强系统的完全性，可以使用 Linux 特殊的用户组 wheel 组来实现限制普通用户切换到 root 管理员用户，只有加入到 wheel 组，才可以使用 su 切换到 root 管理员用户下。

在RHEL7或CentOS7中修改创建账号时系统默认UID、GID最小起始值及其他设置

大家应该都知道，在Linux系统中，1000以下的UID是系统保留的UID。随意修改系统上某些帐号的 UID 很可能会导致某些程序无法进行，甚至导致系统无法顺利运行。我们可以通过/usr/share/doc/setup-2.8.71/uidgid来查看具体对应关系，当然不同的...

云服务器 ECS CentOS 系统为什么限制普通用户切换到 root 管理员账号

为了加强系统的完全性，可以使用 Linux 特殊的用户组 wheel 组来实现限制普通用户切换到 root 管理员用户，只有加入到 wheel 组，才可以使用 su 切换到 root 管理员用户下。方法如下：1，添加两个用户，分别用于加入wheel 和不加入 wheel ...

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