https://code.aliyun.com/help/ssh/README
如果打算拷贝你的公钥到你的粘贴板下，请参考你的操作系统使用以下的命令：
Windows:
clip < ~/.ssh/id_rsa.pub
Mac:
pbcopy < ~/.ssh/id_rsa.pub
GNU/Linux (requires xclip):
xclip -sel clip < ~/.ssh/id_rsa.pub
