To install all the packages locally:

• sudo apt install ruby-rubygems
• bundle install

To serve locally:

• bundle exec jekyll serve

To create again with new versions of the packages

• sudo gem install jekyll bundler minima

On Mac, see: https://jekyllrb.com/docs/installation/macos/

A note about categories

Each post most have at least 2 "categories". These categories are space separated. The last category is the type ("tutorial" etc) and the ones before are the software the post relates to.