1. 制作密钥对 首先在服务器上制作密钥对.登录到打算使用密钥登录的账户,然后执行以下命令: [root@host ~]$ ssh-keygen <== 建立密钥对 Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): <== 按 Enter Created directory '/root/.ssh'. Enter passphrase (empty f…