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Installing Ruby on Ubuntu

Ubuntu is the official OS for this course. These are the suggested ways that you can run Ubuntu:

• Install Ubuntu in your computer (natively or using a virtual machine).
• Use the Cloud 9 development environment. You only need a web browser.
• Use Bash on Ubuntu on Windows 10.

Installation

Verify if Ruby is already installed in your system. At the terminal type:

ruby -v

If the output is “ruby 2.3.0” or better you’re good to go, so you can skip the following instructions. Otherwise, install Ruby 2.3. At the terminal type:

sudo add-apt-repository ppa:brightbox/ruby-ng

sudo apt-get update

sudo apt-get install ruby2.3 ruby2.3-dev