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Red Hat Summit 2019 Follow Up

By on May 20, 2019 in Article

If you attended a session of ours at Red Hat Summit, thank you for spending some time with us! As a follow up, I wanted to give a brief write up on the sessions, as well as share the labs and presentations. Thanks to Dan Walsh, Ben Breard, Jamie Duncan, John Osbourn, and Rodrigo Freire (special thanks for amazing Cachaca): Choosing the Right Container Base Image For...

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Why I Believe in Tools Like Kubernetes and Podman So Strongly

By on May 20, 2019 in Article

History Lesson on PaaS People often rewrite history in their minds. They see the way the landscape looks today, forget the chronological order of events, and reconstruct a false model of cause and effect. I am guilty of doing this from time to time. One such history is that of PaaS. The year was 2012, and PaaS was all the rage. Heroku was killing it, Cloud Foundry...

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Part II: Why Is There No Docker in OpenShift 4 and RHEL 8?

By on May 17, 2019 in Article

In Part I: Is Docker Supported in OpenShift 4 and RHEL 8? I explained that the the Docker daemon will not be supported in new Red Hat products, but that Docker images will be. The next question people always ask me is, “Why? I thought you guys love Docker? I’m confused.” There are many reasons why Red Hat products are moving away from Docker as the...

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Part I: Is Docker Supported in OpenShift 4 and RHEL 8?

By on May 17, 2019 in Article

TL;DR: Docker container images are supported in OpenShift 4 and RHEL 8, but the Docker daemon and client are not. Instead, containers will be run with CRI-O in OpenShift 4, and Podman in RHEL 8 – the same images can be used anywhere because of container standards. Cool, if that’s enough information for you and you’re more interested in why, check...

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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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