Lets start by installing a ruby enviroment by
runninh this on your terminal
$ git clone git://github.com/sstephenson/rbenv.git .rbenv
$ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> .bashrc
$ echo 'eval "$(rbenv init -)"' >> .bashrc
then
$ source ~/.bash_profile
Install ruby-build
$ git clone git://github.com/sstephenson/ruby-build.git
$ cd ruby-build
$ sudo ./install.sh
install ruby
$ rbenv install 2.0.0-p247
Then install rails
$gem install rails -v 3.2.16
You are done , welcome to the world of ROR
