Container runtimes: clarity

As a maintainer of the CRI-O container runtime for kubernetes I often get asked the following questions at conferences and meetups:

Is CRI-O a replacement for Docker?

Podman, DNS, and CNI

When you run a container, one of the key elements of that container is probably going to be its network stack. After all, a container without a network stack cannot interact with other containers and certainly not the outside world. When you run a Podman container, the default network option…

How good is Podman?

This week I have seen two demos where Docker was replaced by Podman. In one case, the person running the demo had symlinked docker to podman to make us initially think he was running docker. In both demos, Podman ran flawlessly. But I still get the question, but how good is Podman?

Intel® Clear Containers and CRI-O*

In this post, I’ll provide some background on the Clear Containers project and describe how Clear…

Default container registry revisited

The feedback that I’ve received from users of CRI-O (Container Runtime Initiative using the Open container initiative) project is the kpod tool was very useful but at times hard on the fingers.
That’s due to needing to type out fully specified image names for…