linux ssh和scp消除每次问yes/no

ssh 10.11.3.61
The authenticity of host '10.11.3.61 (10.11.3.61)' can't be established.
RSA key fingerprint is 5a:8e:00:2f:a3:e4:cf:d1:f9:29:b8:24:e7:36:28:cd.
Are you sure you want to continue connecting (yes/no)? 

SSH 客户端的 StrictHostKeyChecking 配置指令，可以实现当第一次连接服务器时，自动接受新的公钥。只需要修改 /etc/ssh/ssh_config 文件，包含下列语句：

vi /etc/ssh/ssh_config

StrictHostKeyChecking no