在一台linux机器上ssh远程另外一台linux服务器时候出现：
[root@server .ssh]# ssh 192.0.50.80@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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 the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
97:d3:d4:f1:c9:c6:2e:40:93:b2:a8:70:45:e8:d2:6c.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending key in /root/.ssh/known_hosts:1
RSA host key for 192.0.50.80 has changed and you have requested strict checking.
Host key verification failed.
[root@server .ssh]#
这种情况是因为要ssh的机器上的ssh重新安装或者系统重装了，导致RSA host key 失效，解决方法：mv /root/.ssh/known_hosts /tmp即可重新登录
以上就是小编为大家带来的linux系统重装导致免密码key登录失败的解决方法全部内容了，希望大家多多支持华域联盟~
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