在"Are you sure you want to continue connnecting"的时候回复y,不要打空格跳过
参考：http://stackoverflow.com/questions/42685633/ssh-vt-gitgithub-com-get-no-such-file-or-directory-error
ssh -vT git@github.com get “ No such file or directory” 错误
原文：http://www.cnblogs.com/ptqueen/p/6591833.html