推送代码到 GitHub 仓库出错：WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
今天要把代码提交到 GitHub 仓库时，无法提交。
显示以下报错：
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@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ 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:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx. Please contact your system administrator. Add correct host key in /root/.ssh/known_hosts to get rid of this message. Offending RSA key in /root/.ssh/known_hosts:1 Host key for github.com has changed and you have requested strict checking. Host key verification failed. fatal: Could not read from remote repository.
Please make sure you have the correct access rights and the repository exists.
一开始我以为 GitHub 的 SSH keys 没有了，但是我去加的时候，提示我 Key is already in use。