[czh@centos6 .ssh]$ ssh-keygen -t rsa -C "czh55@qq.com" Generating public/private rsa key pair. Enter file in which to save the key (/home/czh/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/czh/.ssh/id_rsa. Your public key has been saved in /home/czh/.ssh/id_rsa.pub. The key fingerprint is: 31:a1:b2:53:f8:da:40:05:60:15:60:d8:34:80:f5:c9 czh55@qq.com The key's randomart image is: +--[ RSA 2048]----+ |o*O++o. . | |oo.+ + . . | | E o o | | . = o | | + . S | | = | | . . | | | | | +-----------------+ [czh@centos6 .ssh]$ ssh-add ~/.ssh/id_rsa Identity added: /home/czh/.ssh/id_rsa (/home/czh/.ssh/id_rsa) [czh@centos6 .ssh]$ ll 总用量 8 -rw-------. 1 czh czh 1675 2月 21 00:11 id_rsa -rw-r--r--. 1 czh czh 394 2月 21 00:11 id_rsa.pub [czh@centos6 .ssh]$ cat ~/.ssh/id_rsa.pub ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAx3IlwhJZNJXM4BeYPmdrdURMAZxd/2k6ePmcJnddS20R4Y13N4dsqkGiK2qaQIJmHv07O5/hiaUztq/HHFj9bhNCxvNVjFZq6k6IWfNYj6eUuSc/5wtdsoGRkVKjxxW/Cxw21SmwM7d8ax7/4QTJTLM2/EcOBtA+v6QZ1++2Khj0slhhxIixxyccxV0NG0SvLo3oKG4alfUU43Pt7+a1BL7jUXdnUzr5GTpF6Z2XgBjn3NkSjQZb5EYcI14UzwldR7H6JBIqQySG1VAEIitasJFLEMRKVyhnyOdR+p6jkX7WNYerP/BB9OtqUg7OSFlkk7OXM1D49i+83pr00YDiFQ== czh55@qq.com