ssh 报错处理

ssh 报错处理

目录

• ssh 报错处理
  • 报错
  • 原因：
  • 解决方案

报错

WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

[root@dev-common-01 local]# scp -r mysql-5.7.42-linux-glibc2.12-x86_64 root@192.168.60.216:/usr/local/
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    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:/Qz5ZrPsa9YT500XT5275YkOhqGqBQFdB4tX/2Lkp28.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /root/.ssh/known_hosts:6
ECDSA host key for 192.168.60.216 has changed and you have requested strict checking.
Host key verification failed.

原因：

之前配置的ssh 认证信息过期了，其实就是密码有变更

解决方案

删除或者注释掉之前配置的认证信息

cat /root/.ssh/known_hosts
192.168.205.74 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMR/B+vloqvcMRBUR2ZB3mdwwtQhmDaXRcHcmQHY/uzb1mEWfNBi/M6Rw4k61ri2jXtf9QB81j0WJmg7sg9MW3Q=
192.168.205.73 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMR/B+vloqvcMRBUR2ZB3mdwwtQhmDaXRcHcmQHY/uzb1mEWfNBi/M6Rw4k61ri2jXtf9QB81j0WJmg7sg9MW3Q=
#192.168.60.216 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBDVj6n0uxaAaB7H0Zu6sMSc6S/dMEu73fDNzKS5SwF11YkF8wWvtOG8ZVlkGu2z4ecx8qWmwLcvUuFFYQ1X4YTk=