删除本机
和服务器
中 /home/用户名/.ssh
下的所有文件。
[usera@hostname ~]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/usera/.ssh/id_rsa):
Created directory '/home/usera/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/usera/.ssh/id_rsa.
Your public key has been saved in /home/usera/.ssh/id_rsa.pub.
The key fingerprint is:
39:f2:fc:70:ef:e9:bd:05:40:6e:64:b0:99:56:6e:01 usera@serverA
The key's randomart image is:
+--[ RSA 2048]----+
| Eo* |
| @ . |
| = * |
| o o . |
| . S . |
| + . . |
| + . .|
| + . o . |
| .o= o. |
+-----------------+
把生成的共钥复制到服务器上
ssh-copy-id userb@127.0.0.1 -p 8022