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Hacker’s Guide to Installing OpenShift Container Platform 3.9

By on Apr 10, 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...

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Building an OpenShift Lab: Why I Used Atomic Host

By on Mar 30, 2017 in Article

RHEL Atomic Host requires a lot less configuration than a full RHEL Server installation. The docker daemon is installed and configured, storage is already setup to use device mapper on a dedicated LV, and the default tools necessary to install OpenShift are already installed. And as a bonus, the installation on my laptop in KVM virtual machines is about 10X as fast as installing a full RHEL installation.

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Deep Dive: Rebasing vs. Backporting

By on May 19, 2014 in Article

Background Impetus Recently, I saw a discussion was started, asking about the importance of the operating system on the LinkedIn OpenStack group: Ubuntu can overtake Red Hat in private clouds because the OS doesn’t really matter I found the conversation wildly interesting because several people expressed reasons for why they think the operating system does...

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CentOS Post Mortem & Analysis

By on Mar 28, 2013 in Article

Background I manage the crunchtools lab and the infrastructure for this blog similar to a development data center. I have a rigorous weekly checklist, which includes optionally applying operating system patches as they are available. I do not perform the updates every week because of time constraints, but when I do, I patch all of the systems. Most of my...

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