43.3. ssh client

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#运维

本文介绍了 SSH 命令中的 -o 参数用法，通过示例展示了如何使用该参数绕过首次连接时对目标主机公钥指纹的信任提示，直接进行远程连接。

43.3.1. -o option 参数详解

-o option
             Can be used to give options in the format used in the configuration file.  This is useful for specifying options for which there is no separate command-line flag.  For
             full details of the options listed below, and their possible values, see ssh_config(5).


[root@netkiller tmp]# ssh root@192.168.2.18
The authenticity of host '192.168.2.18 (192.168.2.18)' can't be established.
RSA key fingerprint is 83:e9:fc:a9:98:6b:33:41:0f:b2:44:13:01:f5:af:3c.
Are you sure you want to continue connecting (yes/no)? 

===>这段话的意思是,无法确认host主机的真实性,只知道它的公钥md值,问你还想继续连接吗?

[root@netkiller tmp]# ssh  -o stricthostkeychecking=no root@192.168.2.18
Warning: Permanently added '192.168.2.18' (RSA) to the list of known hosts.
root@192.168.2.18's password:

原文出处：Netkiller 系列手札
本文作者：陈景峯
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