远程连接时报错：The ECDSA host key for XXX has changed

刘泽宇

当主机的主机名、IP、公钥等信息变更导致从远程连接这台主机时出现报错：
The ECDSA host key for XXX has changed

原本的公钥失效，此时将/home/${username}/.ssh/known_hosts中master的公钥删除，重新获取
再次连接即可