解决GitHub连不上的问题fatal: unable to access ‘https://github.com/..’: Failed to connect to github.com port

fatal: unable to access ‘https://github.com/dmlc/dgl.git’: Failed to connect to github.com port 443: Connection refused

在终端输入：

git clone git@github.com:dmlc/dgl.git

配置ssh key见下方链接
https://blog.csdn.net/u013778905/article/details/83501204

终端输入

git config --global url."git://".insteadOf http://
git config --global url."git://".insteadOf https://

详细看下方链接：
https://blog.csdn.net/zbw2015623/article/details/120865651