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linux免交互登陆远程主机并执行命令(密钥对和Expect)

Linux下实现免交互登陆一般有两种： 1. SSH无密码认证方式客户端使用ssh-keygen生成密钥对，将公钥复制到服务端（authorized_keys），SSH提供公钥登陆，当SSH访问服务端时，服务端先在本机寻找客户端的公钥，然后把客户端发来的公钥进行比较，如...

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