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Deeply Understanding the Different Between Portability, Compatibility, and Supportability

By on Nov 12, 2019 in Article

Let’s dig into these three concepts a bit deeper: Portability Since the OCI standard governs the images specification, a container image can be created with Podman, pushed to almost any container registry, shared with the world, and consumed by almost any container engine including Docker, RKT, CRI-O, containerd and, of course, other Podman instances....

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Architecting Containers Part 1: Why Understanding User Space vs. Kernel Space Matters

By on Nov 12, 2019 in Article

Perhaps you’ve been charged with developing a container-based application infrastructure?  If so, you most likely understand the value that containers can provide to your developers, architects, and operations team. In fact, you’ve likely been reading up on containers and are excited about exploring the technology in more detail. However, before diving...

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The Limits of Compatibility and Supportability with Containers

By on Nov 12, 2019 in Article

Many folks who do container development have run Alpine container images. You might have  run Fedora, Red Hat Enterprise Linux (RHEL), CentOS, Debian, and Ubuntu images as well. If you are adventurous, you may have even run Arch, Gentoo, or dare I say, really old container images – like, RHEL 5 old. If you have some experience running container images, you...

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Engineering Compatibility with The Red Hat Universal Base Image

By on Nov 12, 2019 in Article

The Red Hat Universal Base Image (UBI) has an end user license agreement which allows partners, customers and community members to deploy it anywhere, but it takes a lot more than a license to create a container base image that’s suitable for your enterprise applications. In part, suitability for enterprise deployments comes from the compatibility guarantees...

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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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