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A Concise Introduction to DevSecOps

By on Feb 17, 2019 in Article

Why Should I Care About DevSecOps? Are you a frustrated security professional, trying to get your organization to change (aren’t we all)? Or perhaps, you are trying to get management to value security more? Or maybe, you are a security conscious Developer (wait, do those actually exist? Yes, yes, they do) or Sysadmin who knows you need more security in your...

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Rootless Podman on PowerPC (That’s a Mouthful)

By on Nov 12, 2018 in Article

Background I was thinking about naming this article the POWER of Podman, or Podman on Power or Power Man or…but I digress. Confession, it’s been a long time since I played with a POWER system. The last time I did it, it was difficult to get Linux booted up. Now days, with Red Hat Virtualization, it’s ridiculously easy. This was actually quite a...

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Learning Container Engines by Demo

By on Sep 19, 2018 in Article

Background So, this morning I had a call with some customers who are using Podman in RHEL 7.6 Beta. We got into a pretty good discussion about what a container engine does. Many people have tackled this subject before РLiz Rice has a great talk where she builds a container engine from scratch. I loved her talk and have been contemplating on how to expand on...

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So, What Does a Container Engine Really Do Anyway?

By on Jul 13, 2018 in Article

It only takes a couple of quick google searches to realize that people have no idea what a container engine is. That’s understandable because It was a completely new concept back in 2013. Plenty of good people have tried and failed – see WTF is a Container¬†(not deep enough) or What is Docker and why is it so darn popular? (technical drawing completely...

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What is CRICTL and Why Should You Care?

By on Jul 13, 2018 in Article

Container Engines are like wheel bearings, you should be able to replace them when they stop working. Also, you shouldn’t have to care about what brand they are. That’s what the Kubernetes Container Runtime Interface (CRI) aims to solve. CRI defines the API used to talk to container engines and all the major container engines support CRI either natively...

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