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There Are Two Bets Being Placed – Kubernetes vs. Other Schedulers (Nomad, Mesos, others)

By on Mar 31, 2019 in Article

Background Are you both impressed with and intimidated by Kubernetes? It’s understandable. Kubernetes is moving fast, it’s super powerful, sophisticated, has a large upstream community, and tons of vendor interest, a huge user base, and is moving at the speed of light. This can make it intimidating. In short, it looks a lot like Linux did back in 1999...

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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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Hacker’s Guide to Installing OpenShift Container Platform 3.11

By on Dec 5, 2018 in Article

Background My problem, like most technologists, is that I only have a slice of my time to dedicate toward acquiring and maintaining knowledge about any given technology, product, project, tool, platform, etc. Split that with the fact that almost every CIO is preaching that we, as technologists, need to be closer to the business, and our time gets even thinner. This...

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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┬áPodman 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 – Liz 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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Hardware 1.0 vs. Hardware 2.0

By on Sep 12, 2018 in Article

I’ve seen a lot negative reactions to the terms multi cloud and hybrid cloud. I would argue, that’s because we are framing it wrong. It’s really Hardware 1.0 and Hardware 2.0. In Hardware 1.0 Dell, IBM and HP all tried to sell us fairly similar servers. We typically bought these servers, but we could finance them or lease them. I loved the DL380,...

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