@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
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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:FYhdVd68+HR8ZghzvB8/b4XASlmIzdgszLk9WXeuEss.
Please contact your system administrator.
Add correct host key in /Users/guomai/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /Users/guomai/.ssh/known_hosts:2
ECDSA host key for 47.96.13.167 has changed and you have requested strict checking.
Host key verification failed.
操作系统：CentOS 7.4 64位
更换系统
解决：
停止服务，更多修改操作系统
更换系统后ssh链接报问题
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ 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:FYhdVd68+HR8ZghzvB8/b4XASlmIzdgszLk9WXeuEss. Please contact your system administrator. Add correct host key in /Users/guomai/.ssh/known_hosts to get rid of this message. Offending ECDSA key in /Users/guomai/.ssh/known_hosts:2 ECDSA host key for 47.96.13.167 has changed and you have requested strict checking. Host key verification failed.
解决：删除know_hosts
服务器配置参考链接
问题：
无法访问jenkins 8080端口
解决：
阿里云端口限制，需要开通8080 安全组规则 添加新的
node安装
解决：
使用nvm比较好 参考链接