Last updated: July 22nd 2020 This beginner’s guide will set your machine up with Ruby 2.7.1 using chruby+ruby-install and Rails 6.0.0 and is specifically written for a development environment on Ubuntu 19.04, but will probably work on many other operating systems, including older / newer versions of Ubuntu and Debian. YMMV. Under no circumstance should you install Ruby, Rubygems or any Ruby-relate