I *love* Podman. While Podman purports to be a way to test and troubleshoot Pods - "the smallest deployable units of computing that can be created and managed in Kubernetes" - where its real value lies for me and my coworkers is as a non-root, daemonless, drop-in replacement for Docker. We can run containers on … Continue reading PODMAN: ‘overlay’ is not supported over xfs
I was gradually exposed to Linux over time. I came into contact with it over and over before it finally stuck with me. My first experience was with Knoppix, a Live-CD based distro, when I was working at the computer lab in college. A co-worker was also just learning about Linux, and shared it with … Continue reading How I found Linux
Flash Player?! Horse Hockey!
What decade is this?
Brought to you by the Home Office1 department of jolly old $WORK: I recently upgraded our OpenShift Origin dev cluster from version 3.7 to 3.9, and for the most part things went smoothly. Version 3.9 brings with it a new version of Kubernetes, a whole host of bugfixes, and other goodies. A little while after … Continue reading OpenShift Error – Failed to build: MatchNodeSelector (6)
Creating network "" with the default driver ERROR: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network This appears to be related to the number of IP addresses reserved for Docker networks. On my laptop, it looks like 31 is the magic number (a /27 subnet, perhaps?). … Continue reading ERROR: could not find an available, non-overlapping IPv4 address pool
Project Atomic's new tool, Buildah, facilitates new ways to build container images A previous post covered a few different strategies for building container images. The first, building container images in place, is what everyone is familiar with from a traditional Docker build. The second strategy, injecting code into a pre-built image, allows developers to add … Continue reading Buildah: A new way to build container images
This morning I was asked by a friend if I could share any Ansible roles we use at $WORK for our Red Hat Atomic Host servers. It was a relatively easy task to review and sanitize our configs - Atomic Hosts are so minimal, there's almost nothing we have to do to configure them. When … Continue reading Ansible Role for RHEL Atomic Host