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GitHubにpushしようとしたらWARNINGが出た(2023.03.24)

Posted at

さきほどGitHubにpushしようとしたら、こんなWARNINGが出ました。

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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
SHA256:uNiVztksCsDhcc0u9e8BujQXVUpKZIDTMczCvj3tD2s.
Please contact your system administrator.
Add correct host key in ~/.ssh/known_hosts to get rid of this message.
Host key for github.com has changed and you have requested strict checking.
Host key verification failed.

正直かなりビビりましたが、GitHubさんが以下お知らせを出しておりましたのでご共有です。

書いてあるとおり、~/.ssh/known_hostsからgithub.comの行を削除すると、新しいfingerprintに更新され、これまで通りpushできるようになりました。

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