"ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for the /Library/Ruby/Gems/2.0.0 directory"

I started Bloc’s Software Development Track (SDT) apprenticeship program in February of this year. Studying part-time, I’ve covered the front end foundations, which include HTML, CSS, JavaScript, jQuery and Angular.

This is the story of how, after a 15-year hiatus, I got back into web development and computer programming.