ssh: connect to host port 22: Connection refused

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配置Linux的互信，互信完成后，连接需要+端口才可以
?
?已经将端口修改为7777，但依旧走的是默认的22端口
?
?修改方式：
?[[email protected] ssh]# vi /etc/services
ssh 7777/tcp # The Secure Shell (SSH) Protocol

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