PODMAN: ‘overlay’ is not supported over xfs

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

OpenShift Error – Failed to build: MatchNodeSelector (6)

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)

ERROR: could not find an available, non-overlapping IPv4 address pool

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