Fork this repo, and it should be on http://<username>.github.io/gci15.fossasia.org now.
git clone https://github.com/fossasia/gci15.fossasia.org.git
or own fork version
git clone https://github.com/<username>/gci15.fossasia.org.git
gem install bundler
gem install github-pages
Use sudo if there is any permission issue
cd gci15.fossasia.org
jekyll serve
http://0.0.0.0:4000/ or http://localhost:4000/
see GIT.md