git from beginner to master
unable to access 'https://github.com/bdxdh/git-test.git/': Failed to connect to github.com port 443 after 21103 ms: Couldn't connect to server
- set proxy
git config --global http.proxy 127.0.0.1:7890
git config --global https.proxy 127.0.0.1:7890
- unset proxy
git config --global --unset http.proxy
git config --global --unset https.proxy