背景
ssh连接至云服务器时，提示以下错误：
原因是第一次使用SSH连接时，会生成一个认证，储存在客户端的known_hosts中。
可使用以下指令查看：
- ssh-keygen -l -f ~/.ssh/known_hosts
由于服务器重新安装系统了，所以会出现以上错误。
解决方案
ssh-keygen -R 服务器端的ip地址
重新连线,出现以下提示：
输入yes确认即可连线成功。
REMOTE HOST IDENTIFICATION HAS CHANGED问题解决
2021-12-17
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REMOTE HOST IDENTIFICATION HAS CHANGED问题解决
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