Navigation Menu

Testing With Podman – Complete Uninstall/Reinstall

By on Mar 21, 2019 in Software

Background Sometimes it’s necessary to uninstall completely, and reinstall when testing software. This is something I have been doing with podman on RHEL 7.6 since about 6AM today 🙂 I figured it was worth capturing the instructions I have developed while testing user namespaces and rootless containers. This could make your life easier too. Complete Uninstall...

Read More

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...

Read More

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...

Read More

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...

Read More

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...

Read More