ssh-keygen -t rsa #输入之后按三下回车就可以了 Your public key has been saved in /root/.ssh/id_rsa.pub #公钥的存放位置第二步 拷贝公钥到同一台机子上
ssh-copy-id node01第三步 复制第一台机子的认证到其他机子上
scp /root/.ssh/authorized_keys node02:/root/.ssh scp /root/.ssh/authorized_keys node02:/root/.ssh第四步验证
ssh node01
