首先登录服务器生成密钥对：
[jiucool@localhost ~]$ ssh-keygen -t rsa -f ~/.ssh/id_rsa_jiucool -C “id_rsa for jiucool.org”
Generating public/private rsa key pair.
Created directory ‘/home/jiucool/.ssh’.
Enter passphrase (empty for no passphrase):
首先登录服务器生成密钥对：
[jiucool@localhost ~]$ ssh-keygen -t rsa -f ~/.ssh/id_rsa_jiucool -C “id_rsa for jiucool.org”
Generating public/private rsa key pair.
Created directory ‘/home/jiucool/.ssh’.
Enter passphrase (empty for no passphrase):