The recently released Azure Red Hat OpenShift (ARO) offering from Microsoft and Red Hat provides a managed OpenShift deployment on Microsoft’s Azure cloud. The integrations of ARO into the rest of the Azure ecosystem work in a manner very similar to that of Azure Kubernetes Service (AKS), which makes sense given they are both Kubernetes […]
Howard: “So, you think I’m one of the smarter kids?” Sheldon: “No, you’re a tool I was using to make my point.” There’s a basic utility container/tool kit that I’ve used in the past when troubleshooting in a Kubernetes or docker environment which is based on Ubuntu. The Dockerfile is available here if you’d like […]
I was troubleshooting a Stolon PostgreSQL deployment on a Kubernetes cluster recently – there’d been an outage on the cluster, and the stolon pods wouldn’t restart. Specifically, the keeper component would not start. Stolon uses sentinel nodes, proxy nodes and keeper nodes. The sentinels and proxies were starting, but the keepers were not. The keeper-0 […]
