how to validate public and private key 如何验证你的public key和private key是否一致
$ ssh-keygen -y -f ~/.ssh/id_rsa | md5 2c8a7d18fc80ecf4dfcb016c8deccf6e $ cat ~/.ssh/id_rsa.pub | cut -d ' ' -f1,2 | md5 2c8a7d18fc80ecf4dfcb016c8deccf6e