OpenSSH的known_hosts引发的问题

来源：互联网发布：唐青枫官方捏脸数据编辑：程序博客网时间：2024/06/07 01:12

Ubuntu 15.4

http://blog.csdn.net/u013686019/article/details/54574119

在使用OpenSSH的时候，如果没有特别指定目录，known_hosts文件存在于：

~/.ssh/

目录下。known_hosts记录了本机访问过的计算机的pubic key。

这两天从服务器同步Android源码，执行repo sync后总是卡在连接服务器的位置：

Get ssh://git@www.xxxxxx.com.cn/gerrit/android/platform/manifestWarning: the ECDSA host key for 'www.xxxxxx.com.cn' differs from the key for the IP address '192.168.1.9'Offending key for IP in /home/gerrit/.ssh/known_hosts:1Matching host key in /home/gerrit/.ssh/known_hosts:3Are you sure you want to continue connecting (yes/no)? yesWarning: the ECDSA host key for 'www.xxxxxx.com.cn' differs from the key for the IP address '192.168.1.9'Offending key for IP in /home/gerrit/.ssh/known_hosts:1Matching host key in /home/gerrit/.ssh/known_hosts:3Are you sure you want to continue connecting (yes/no)? yes

怎么办呢？那就调试找原因。在一台没有访问过Android源码服务器的机器上执行同步，完全没问题；看到上述终端输出提到known_hosts文件，就查找了下该文件的相关信息。接着就是测试，为方便故，直接把~/.ssh/known_hosts文件删除了，这是终端输出如下：

Get ssh://git@www.xxxxxx.com.cn/gerrit/android/platform/manifestThe authenticity of host 'www.xxxxxx.com.cn (192.168.1.9)' can't be established.ECDSA key fingerprint is 4e:a5:bc:9c:92:94:29:e4:4a:12:94:fe:54:b2:4e:b0.Are you sure you want to continue connecting (yes/no)? The authenticity of host 'www.xxxxxx.com.cn (192.168.1.9)' can't be established.ECDSA key fingerprint is 4e:a5:bc:9c:92:94:29:e4:4a:12:94:fe:54:b2:4e:b0.Are you sure you want to continue connecting (yes/no)? yesWarning: Permanently added 'www.xxxxxx.com.cn,192.168.1.9' (ECDSA) to the list of known hosts.

看内容这是要重新生成~/.ssh/known_hosts。

终止操作，重新repo init/repo sync，就再没有任何问题了！

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