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
How to Setup Ruby on Rails for CentOS/Fedora VPS