new-machine-setup.txt

https://stackoverflow.com/questions/4304438/gem-install-failed-to-build-gem-native-extension-cant-find-header-files

"I had same problem. I'm using Ubuntu18, there was jekyll already install, remove using "sudo apt remove jekyll" first before "bundle install", then everything OK."
https://github.com/jekyll/jekyll/issues/7088