ssh server 公钥改变后客户端无法登录的解决办法

[hew@localhost ~]$ ssh hew@linuxsky.org
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@       WARNING: POSSIBLE DNS SPOOFING DETECTED!          @
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The RSA host key for linuxsky.org has changed,
and the key for the according IP address 203.171.237.x
is unchanged. This could either mean that
DNS SPOOFING is happening or the IP address for the host
and its host key have changed at the same time.
Offending key for IP in /home/hew/.ssh/known_hosts:5
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@    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 the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
46:bc:0a:4e:80:a7:6f:73:b9:73:71:51:a4:52:59:x.
Please contact your system administrator.
Add correct host key in /home/hew/.ssh/known_hosts to get rid of this message.
Offending key in /home/hew/.ssh/known_hosts:6
RSA host key for linuxsky.org has changed and you have requested strict checking.
Host key verification failed.

[hew@localhost ~]$ ssh-keygen -R linuxsky.org
/home/hew/.ssh/known_hosts updated.
Original contents retained as /home/hew/.ssh/known_hosts.old
 
[hew@localhost ~]$ ssh hew@linuxsky.org
The authenticity of host 'linuxsky.org (203.171.237.x)' can't be established.
RSA key fingerprint is 46:bc:0a:4e:80:a7:6f:73:b9:73:71:51:a4:52:59:x.
Are you sure you want to continue connecting (yes/no)?