$ sudo git clone git@github.com:abcd498936590/blog-web.git
"blog-web"...
Warning: Permanently added the RSA host key for IP address "52.74.223.119" to the list of known hosts.
git@github.com: Permission denied (publickey).
fatal:
the desktop version of ubuntu has a network. It is certain that key has been added to the guthub, remote warehouse, but it can not be cloned to the local location. This has been prompted all the time. For being very helpless, Mr. Qiu pointed out
.ps: has just been tested. Remote libraries can be cloned using https. Key has been added to the remote warehouse