https://coreos.com/

CoreOS is a new Linux distribution that has been rearchitected to provide features needed to run modern infrastructure stacks.
The strategies and architectures that influence CoreOS allow companies like Google, Facebook and Twitter to run their services at scale with high resilience.
We've implemented them correctly so you don't have to endure the slow, learn-as-you-go infrastructure building process.

Latest Release Info
Version:CoreOS 324.1.0
Kernel:3.14.4
Docker:0.11.1
etcd:0.3.0
fleet:0.3.2