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  • ssh连接云服务器Host key verification failed

    一、用ssh连接远程服务器意外报错。

    报错信息

    $ ssh root@123.56.*.*
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
    Someone could be eavesdropping on you right now (man-in-the-middle attack)!
    It is also possible that a host key has just been changed.
    The fingerprint for the ECDSA key sent by the remote host is
    SHA256:bXx9swgY6Th3F0kzBkUEwfU7euCoNjtpzMznyqPUb40.
    Please contact your system administrator.
    Add correct host key in /c/Users/87805/.ssh/known_hosts to get rid of this message.
    Offending ECDSA key in /c/Users/87805/.ssh/known_hosts:5
    ECDSA host key for 123.56.*.* has changed and you have requested strict checking.
    Host key verification failed.
    

    二、报错原因

    由于服务器重装系统、初始化磁盘等导致本地主机的SSH信息失效,即本地主机和远程服务器的SSH不匹配。

    三、解决方案

    在本地主机删除服务器的ssh密钥信息。在本地执行以下命令,删除本地主机中关于远程服务器的缓存和公钥信息。

    ssh-keygen -R 服务器公网IP
    
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  • 原文地址:https://www.cnblogs.com/langkye/p/12597231.html
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