绝大多数服务器出于安全考虑一般都禁止了使用 root 账户登录系统，一般都是通过普通用户远程连接到服务器后，再使用 su 命令切换到 root 执行一些需要超级权限的工作。但是这样的操作流程也会存在不安全因素，如果系统有多个普通用户，每个用户都需要执行一些需要 root 权限的操作，如果都使用 su 的话，那么 root 账号的密码就需要告诉所有的普通用户，这在一定程度上会对系统造成一些不安.....

问答 2019-07-12 来自：开发者社区

云服务器 ECS Linux 服务器 umount 数据盘提示：device is busy

在云服务器 ECS Linux 服务器上，卸载数据盘挂载时，有时会出现如下错误信息： device is busy

问答 2019-07-12 来自：开发者社区

云服务器 ECS Linux 系统中常见的日志文件介绍

云服务器 ECS Linux系统中常见的日志文件有哪些，记录的是什么日志。

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更新时间 2024-09-04 13:00:01

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