This is the script devised to setup Ubuntu 12.04 (x64) for use with the tableBuilder.rb script.

gistfile1.txt

#!/bin/bash
# -------------------------------------------------------
# Setup document for rainbow table generator
# (c) 2013 Sam Caldwell. All Rights Reserved
#
# This is the script devised to setup Ubuntu 12.04 (x64) 
# for use with the tableBuilder.rb script.
# -------------------------------------------------------

case "$1" in
  1)
    sudo apt-get install openssh-server -y
    sudo apt-get update -y; sudo apt-get upgrade -y
    sudo shutdown -r now
    break
    ;;
  2)
    sudo apt-get install linux-headers-server linux-image-server linux-server -y
    sudo shutdown -r now
    break
    ;;
  3)
    sudo apt-get -y install build-essential zlib1g-dev libssl-dev libreadline6-dev libyaml-dev
    sudo su -
    cd /tmp
    wget http://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p0.tar.gz
    tar -xvzf ruby-2.0.0-p0.tar.gz
    cd ruby-2.0.0-p0/
    ./configure --prefix=/usr/local && make && make install
    break
    ;;
esac
ruby -v