Linux秘笈13. 用SSh登录到远程的机器
二月 20th, 2009 Posted in Linux
当你第一次登录到远程的机器时候，将展示远程机器的Key没有发现之类的信息，你能给一个”yes”，继续操作，例如：
localhost$ ssh -l jsmith remotehost.example.com Host key not found from database. Key fingerprint: xabie-dezbc-manud-bartd-satsy-limit-nexiu-jambl-title-jarde-tuxum You can get a public key’s fingerprint by running % ssh-keygen -F publickey.pub Are you sure you want to continue connecting (yes/no)? Yes Host key saved to /home/jsmith/.ssh2/hostkeys/key_22_remotehost.example.com.pub host key for remotehost.example.com, accepted by jsmith Mon May 26 2008 16:06:50 -0700 jsmith@remotehost.example.com password: remotehost.example.com$ |
当你第二次登录的时候，将不再进行提示了，例如：
localhost$ ssh -l jsmith remotehost.example.com jsmith@remotehost.example.com password: remotehost.example.com$ |
有的时候当远程的机器重新安装，或者重新生成SSH的KEY时候，你又会得到一些错误的信息，例如：
localhost$ ssh -l jsmith remotehost.example.com @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: 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 host key has just been changed. Please contact your system administrator. Add correct host key to “/home/jsmith/.ssh2/hostkeys/key_22_remotehost.example.com.pub” to get rid of this message. Received server key’s fingerprint: xabie-dezbc-manud-bartd-satsy-limit-nexiu-jambl-title-arde-tuxum You can get a public key’s fingerprint by running % ssh-keygen -F publickey.pub on the keyfile. Agent forwarding is disabled to avoid attacks by corrupted servers. Are you sure you want to continue connecting (yes/no)? yes Do you want to change the host key on disk (yes/no)? yes Agent forwarding re-enabled. Host key saved to /home/jsmith/.ssh2/hostkeys/key_22_remotehost.example.com.pub host key for remotehost.example.com, accepted by jsmith Mon May 26 2008 16:17:31 -0700 jsmith @remotehost.example.com’s password: remotehost$ |
