Installing Ruby

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Windows

Mac

Install HomeBrew

Hold down the Command key and press the spacebar to open Spotlight search Type Terminal and hit enter

Copy and paste this into the terminal and hit enter:

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Install rbenv

Copy and paste this into the terminal:

brew install rbenv
rbenv init
touch ~/.bash_profile
echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
source ~/.bash_profile

Copy and paste this into the terminal:

rbenv install 2.4.1
rbenv local 2.4.1


Linux

Install git Copy and paste this into the terminal:

sudo apt-get install git

Install ruby-install Copy and paste this into the terminal:

wget -O ruby-install-0.6.0.tar.gz https://github.com/postmodern/ruby-install/archive/v0.6.0.tar.gz
tar -xzvf ruby-install-0.6.0.tar.gz
cd ruby-install-0.6.0/
sudo make install
ruby-install ruby 2.4.1

Install chruby Copy and paste this into the terminal:

cd ../
wget -O chruby-0.3.9.tar.gz https://github.com/postmodern/chruby/archive/v0.3.9.tar.gz
tar -xzvf chruby-0.3.9.tar.gz
cd chruby-0.3.9/
sudo make install
sudo ./scripts/setup.sh
xed ~/.bash_profile

Copy and paste this into the bash_profile file that opened in TextEdit:

source /usr/local/share/chruby/chruby.sh
source /usr/local/share/chruby/auto.sh

Save file and Close TextEdit

Copy and paste this into the terminal and hit enter:

source ~/.bash_profile
chruby 2.4.1