Recently when using podman on mac system, I encountered the error when pulling UBI base image from Red Hat’s registry. Here is the error from terminal I realised that, since, I was using a VM created using podman machine init command, adding the cert to my host machine was not going to help. Therefore we … Read more
There are many ways to login to kubernetes pods, and most of them requires you to know the pod name. Now let’s say we want to login to a pod that is being served by a service we want to troubleshoot. One longer way could be to first determine all the pods running behind service, … Read more
In Kubernetes service object is responsible for providing network access to a set of pods, which runs same images/applications, leading similar functionality. Sometimes we may want to list/check pods running behind a service in OpenShift cluster. Here are steps one can follow to do so :- Let’s start by listing the end-points for a service. … Read more
Sometimes we may want to get custom output from oc/kubectl commands when looking for k8 cluster objects like namespace, pods, etc. In this article, we will explain how to use JSONPath or custom column options to customize the kubectl output. We will use ‘service’ as an example. 1. JSONPath Query JSONPath is a query language for … Read more