一 生成公钥
ssh-keygen -t rsa -C "[email protected]"
-t :密钥类型。
-C : 注释。通常用作密钥的名字。
依次按三次回车:默认文件名、无密码。
Generating public/private rsa key pair. Enter file in which to save the key (/Users/haifeng/.ssh/id_rsa): Created directory '/Users/haifeng/.ssh'. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /Users/haifeng/.ssh/id_rsa. Your public key has been saved in /Users/haifeng/.ssh/id_rsa.pub. The key fingerprint is:
二 查看公钥内容
cat ~/.ssh/id_rsa.pub
cat命令连接文件并打印到标准输出设备上。cat经常用来显示文件的内容。