How many DevOps Engineers does it take to hack a light bulb?

This question was answered at CLOUD&HEAT during our last in-house hackathon.
Data Analysis Apart from Excel – Getting Started

This post is about how to analyse data in a very efficient manner.
Migration OpenStack instances to a private network

Guideline for migration OpenStack instances in a new, floating IP based, network setup.
Create a Network in OpenStack

Step by step instructions for creating a network in OpenStack.
Decision making support IT infrastructure or why Cloud Computing is like taxi driving
Cloud Computing equals Taxi Driving. Won’t believe?
Block-level data tracking using device mapper’s dm-era

Step by step tutorial for setting up the device mapper mappings.
Domains in OpenStack

A short article about domains and keystones in OpenStack.
What is new in the OpenStack storage projects in the Newton release?
Read more for information about the latest version of OpenStack.
How meaningful is PUE as a measure of energy efficiency?

Everything important to know about PUE.
Cloud failover technologies

Failover mechanisms are used across many other platforms. This article focuses on failover in cloud environment.