NVM provides you more convenient way to manage and set up your Javascript(Node.js) environment. First install NVM, note git...

First install python-software-properties: sudo apt-get install python-software-properties Next, remove openjdk package if installed:

Add in Gemfile: group :development, :test do gem 'rspec-rails' gem 'spork-rails' end group :test do gem 'capybara'

If some of your scripts don't work with turbolinks, you should do the following: ready = -> #your code here