How to Setup Ruby on Rails for CentOS/Fedora VPS

This tutorial will walk you through the setup of a basic Ruby on Rails environment, including:
Ruby 1.8.7
RubyGems 1.8.15

Rails 3.1.3
Sqlite3

This tutorial is intended for use on CentOS, Fedora, and other EL-based systems.

To begin, log in to your VPS via SSH and update your system:

#

 yum update

Install Ruby:

#

 yum install ruby ruby-devel ruby-irb ruby-rdoc ruby-ri

Check the version installed:

    #

ruby -v

Install RubyGems:

    mkdir ~/sources
    cd ~/sources
    wget http://rubyforge.org/frs/download.php/45905/rubygems-1.3.1.tgz
    tar xzvf rubygems-1.3.1.tgz
    cd  rubygems-1.3.1
    ruby setup.rb

Update RubyGems:

gem update --system

Install Rails:

gem install rails

Install Sqlite3:

  yum install sqlite-devel
     gem install sqlite3-ruby

Install Postfix and Subversion:

 yum install postfix subversion -y

You should now have a functioning and updated RoR environment!