Clone and run this on a new EC2 instance (or virtualbox) running Ubuntu 12.04.2 LTS to
configure your bash
development environment as follows:
cd $HOME
git clone https://github.com/Butterwell/ubuntu-dotfiles.git
ln -sb dotfiles/.screenrc .
ln -sb dotfiles/.bash_profile .
ln -sb dotfiles/.bashrc .
ln -sb dotfiles/.bashrc_custom .
See also http://github.com/Butterwell/ubuntu-setup to install prerequisite programs.