首先是保存密码输入问题,需要创建密钥,在你的命令行输入:
$ cd ~/.ssh
$ ssh-keygen -t rsa
然后依次回车,输入密码,这个密码和SSH的帐号密码无关,表示这个key本身的密码。 整个界面看上去类似:
$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/u/kim/.ssh/id_rsa): 【回车】
Enter passphrase (empty for no passphrase): 【第一次密码】
Enter same passphrase again: 【第二次密码】
Your identification has been saved in /u/kim/.ssh/id_rsa.
Your public key has been saved in /u/kim/.ssh/id_rsa.pub.
接下来把密钥文件传到你的SSH帐号下:
$ cd ~/.ssh
$ cp id_rsa.pub authorized_keys
$ scp -p ~/.ssh/authorized_keys $username@$host:/home/$username/.ssh/