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  • REMOTE HOST IDENTIFICATION HAS CHANGED 问题解决

    今天处理 ssh连接至 ubuntu 服务器时,提示以下错误:

    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @ 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 RSA key sent by the remote host is
    da:f7:3e:ba:f7:00:e6:44:76:f2:58:6e:48:**.
    Please contact your system administrator.
    Add correct host key in /用户home目录/.ssh/known_hosts to get rid of this message.
    Offending RSA key in /用户home目录/.ssh/known_hosts:1
    RSA host key for ip地址 has changed and you have requested strict checking.
    Host key verification failed.

    经过google,出现这个问题的原因是,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。

    解决办法

    ssh-keygen -R 服务器端的ip地址

    会出现以下提示:

    Host 192.168.3.10 found: line 1 type RSA

    /用户home目录/.ssh/known_hosts updated.
    Original contents retained as /用户home目录/.ssh/known_hosts.old

    重新连线,出现以下提示:

    The authenticity of host '192.168.3.10 (192.168.3.10)' can't be established.
    RSA key fingerprint is da:f7:3e:ba:f7:00:e6:44:76:f2:58:6e:48:**.
    Are you sure you want to continue connecting (yes/no)?

    输入yes确认即可连线成功.



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  • 原文地址:https://www.cnblogs.com/mafeng/p/7606523.html
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