openstack创建实例无密码登录详解
[root@openstack ~]# ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /root/.ssh/id_rsa. Your public key has been saved in /root/.ssh/id_rsa.pub. The key fingerprint is: 86:ce:45:80:43:27:97:8c:4d:2d:1b:7b:4c:54:0c:a2 root@openstack The key's randomart image is: +--[ RSA 2048]----+ | .o**+o+. | | +=*oo . | | E. B. | | ooo | | ..S...