ssh的认证机制问题，刚发到linux版没人理。

stonerose

两台服务器简称A和B \r\nA机使用ssh登录到B机，之后B机重新安装，A机再次使用ssh登录时提示： \r\n@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ \r\n@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @ \r\n@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ \r\nIT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! \r\nSomeone could be eavesdropping on you right now (man-in-the-middle attack)! \r\nIt is also possible that the RSA host key has just been changed. \r\nThe fingerprint for the RSA key sent by the remote host is \r\n98:70:c8:db:51:23:9d:43:5a:74:23:48:43:ba:fd:05. \r\nPlease contact your system administrator. \r\nAdd correct host key in /root/.ssh/known_hosts to get rid of this message. \r\nOffending key in /root/.ssh/known_hosts:7 \r\nRSA host key for 10.0.2.15 has changed and you have requested strict checking. \r\nHost key verification failed. \r\n使用C机ssh登录到B机一切正常，请问如何解决这种问题。

ayazero

B机重新安装

\r\n\r\npublic_key当然就没有了

archangle

把 ~/.ssh/knownhosts里面B机的hostkey删除掉

stonerose

[quote]原帖由 \"archangle\"]把 ~/.ssh/knownhosts里面B机的hostkey删除掉[/quote 发表：\n搞定了，谢谢