Doug Tidwell

Red Hat Technical Titan

Doug Tidwell is a programmer and writer who creates videos, articles, sample code, container images, and other useful things for the Red Hat Developer program. He has given hundreds of presentations at dozens of conferences around the world and is the author of O'Reilly's XSLT, a copy of which makes a perfect gift for all occasions. Not that it's particularly relevant, but he enjoys hiking and craft cocktails when not at work.

You can reach Doug through the usual channels or email him at
Doug Tidwell

Articles by Doug Tidwell

Creating custom stacks in Eclipse Che

Eclipse Che stacks contain compilers, runtimes, tools, and other useful things for most popular programming languages. But there's a chance your project needs tooling and other utilities. Fortunately, you can build a custom stack that includes everything you need, then build a workspace on top of your new stack. This article shows you how. 

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Podman - The next generation of Linux container tools

Podman is part of the next generation of Linux container tools. Based on the Open Container Initiative, podman builds docker-compatible images without Docker - this article and video show you how. Best of all, it includes a link to a container image (built with podman, of course) that you can pull to your machine and run with Docker. 

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Introduction to podman

How to create a pull request: contributing to Open Source

So you've found a really interesting open source project and you'd really like to help out. Where to get started? Your first step towards being an active member of a community is a pull request. This article shows you how to create one and what can happen to your PR once you've created it. All the examples here are based on the Command Line Heroes game, an open source project managed by Jared Sprague and Michael Clayton. 

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Skee-ball Machine Photo

Colossal Cave Adventure: Building and running 40-year-old code from the dawn of gaming

Created in 1977 by Willie Crowther and Don Woods, Colossal Cave Adventure may be the most influential computer game ever. With the combination of compelling game play and freely available source code, it spread from one data center to another in the pre-GUI, pre-Internet era. The last version of the code from the original authors was written in 1995, but open source pioneer Eric S. Raymond has recently published it to his GitLab account. This article shows you how to build and play the game. 

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Mammoth Cave