vagrant-hadoop-cluster
Deploying hadoop in a virtualized cluster in simple steps
These are the files that support the blogpost http://cscarioni.blogspot.co.uk/2012/09/setting-up-hadoop-virtual-cluster-with.html
For using them.
Simply clone the repository, then
gem install vagrant
vagrant box add base-hadoop http://files.vagrantup.com/lucid64.box
vagrant up