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OSを再インストールしてログインができない時

Last updated at 2017-07-28Posted at 2017-06-19

##OS再インストール後ログインできない
怒られました

@    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 ECDSA key sent by the remote host is
SHA256:w4x+ws3hHVyDCfKnkodTxM14W4/TMCgNuGOWx8C/PeM.
Please contact your system administrator.

##情報を消す必要がある
$ ssh-keygen -R 100.100.100.100

##もう一回接続
$ ssh@100.100.100.100

パスワードを入力すればログインできた！

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