ssh-keygen -t rsa -P "" -f ~/.ssh/id_rsa //生成当前用户密钥
ssh-copy-id -i /root/.ssh/id_rsa.pub root@192.168.19.203 //拷贝到远程机器上面
ssh root@192.168.19.203 //测试
ssh-keygen -t rsa -P "" -f ~/.ssh/id_rsa //生成当前用户密钥
ssh-copy-id -i /root/.ssh/id_rsa.pub root@192.168.19.203 //拷贝到远程机器上面
ssh root@192.168.19.203 //测试