infra | cloud | opensource
Image : https://premierevanlines.com There are several cases a PV (PhysicalVolume) appear as Failed in OpenShift or Kubernetes cluster. Once of the reason is wrong ClaimRef by which PV will mark as claimed but actually not...
Image : www.oemoffhighway.com As we know OpenShift clusters are bundled with multiple compute nodes, master nodes, infra nodes etc, it’s not a big deal to manage node maintenance for OS patching kind of activities....
Since OCP 3.11 is available now, you may refer below documents for OpenShift Container Platform 3.11 Installation on different infrastructure or platforms. Those are very quick documents but already included all details including installation...
Image Credit : https://www.joc.com Usually application owner or project owner will specify the quota settings (Memory and CPU) during project creation. But sometimes, they realize that the requested resource is not enough to run...
When we have issue with container and we are not sure which pod the container belongs to; we can find the pods details as below. Use case : we have some zombie process running...
We will have requirements, where customer need to configure multiple projects but they want pods inside those projects to communicate each other. Since each projects will have its own netnamespace, communication will not happen...
