Based on Lanyon - https://github.com/poole/lanyon
When pushed to GitHub, GitHub actions build https://jzohrab.github.io/
Install the dependencies (there is probably a better way to do this):
gem install bundler jekyll
and then to run:
bundle exec jekyll serve
and the site runs:
...
Server address: http://127.0.0.1:4000//
Server running... press ctrl-c to stop.
To make a new post:
pushd _posts
./__new.sh filename-stuff
popd