把密钥保存到本地，把公钥添加进authorized_keys就不说了，可以看之前的文章。开始修改： 1：修改/etc/ssh/sshd_config文件找到： RSAAuthentication yesPubkeyAuthentication yesAuthorizedKeysFile .ssh/authorized_keys 先把这3行命令改了，如果默认前面带了#,就把#给删掉，这里是让可....

问答 2016-06-17 来自：开发者社区

linux服务器被破解ROOT后如何快速更改密码？

本人有台国外的linux，最近老检测到有黑客在暴力破解，已经禁止此ip了。同时设置了root登陆系统后会自动发邮件通知等等。最坏的情况下，黑客还是通过各种手法拿到了我的root密码，如何快速响应处理这些问题并修改root密码？添加情景：假设黑客破解了密码后，立即经修改了root密码

问答 2014-09-17 来自：开发者社区

阿里云linux服务器如何修改root管理密码

很多使用阿里云linux 服务器服务器的朋友，可能不知道怎么修改root 账户的管理密码，今天沈军就教大家阿里云linux 服务器怎么修改root 密码，阿里云linux 主机修改root 密码的方法。阿里云 linux 服务器修改 root 密码流程：通过Xshell 客户端输入账号root ，输入密码，登陆到linux 。输入修改密码的命令 passwd 根据提示输入新密码，...

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云服务器 ECS（Elastic Compute Service）是一种弹性可伸缩的计算服务，助您降低 IT 成本，提升运维效率，使您更专注于核心业务创新。

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