A Practical Introduction to the Docker Registry Server

Background One of the key advantages of using Docker is it’s centralized image management server, called a Registry Server. The Docker project, as well as Red Hat, maintain public registry servers which host supported images. The Docker project also provides an Open Source version of the Registry server which can be deployed on premise in

A Practical Introduction to Docker Containers

Background Why Docker has quite an amount of buzz around it today because it makes so many things easy that were difficult with virtual machines. Docker containers makes it easy for Developers, Systems Administrators, Architects, Consultants and others to quickly test a piece of software in a container; much quicker than a virtual machine, and

Red Hat Enterprise Linux: Release Speed

Background Recently, I came across an article entitled: 5 Reasons Not to Use CentOS. While I actually disagree with all five points from a technical debate standpoint, I think this article is really the result of a few pain points that some developers express when talking about enterprise editions of Linux. Working as a technology

Devops with Bash

This presentation walks through some of the software development processes used to develop Shiva, a mass ssh client. The development of Shiva was used as a teaching aid for a class taught at Ohio Linux Fest 2012. Shiva was used to demonstrate concepts such as good command line interface design, testing, configuration design and advanced features of Bash, such as background functions. This presentation and associated class were developed to help systems adminsitrators think more like developers.