TL;DR A deleted pod comes back because a controller owns it. On my test cluster the ReplicaSet replaced the pod 9 seconds after kubectl delete pod. Deleting the ReplicaSet does not help either - the Deployment recreated it within 5 seconds. Find the owner in one command: kubectl get pod <name> -o …

Maintaining a healthy kubernetes cluster is really challenging especially if you have not configured the Liveness, Readiness and Startup Probes correctly for your containers deployed under kubernetes containers. If I have to put in a simple way - Liveness probes - It is responsible for restarting your container, if it …

In this post we are going to see how to get the YAML of deployed Kubernetes resources - a single deployment or service, and then every pvc, configmap, ingress, service, secret, deployment, statefulset, hpa, job and cronjob in the cluster in one go. Most of the time we create deployments and services from YAML files. …

This page is the index of every Kubernetes and Helm tutorial on jhooq.com, in the order I would follow if I were learning Kubernetes from scratch - build a cluster first, get the dashboard up, deploy a real Spring Boot application, then storage, ingress, CI/CD and monitoring, and finally package everything as a Helm …

December 04, 2020 Kubernetes is deprecating Docker support and how should you prepare for it? As of December 02, 2020 Kubernetes has announced that going forward Kubernetes is going to deprecate Docker as their preferred container runtime environment. In the DevOps community Docker is considered as a backbone when it …

In this article we are going to focus on Setting up CI/CD Jenkins pipeline for kubernetes. We will be using GitHub, Docker, DockerHub, Jenkins and Kubernetes Cluster to achieve this. For the complete lab session we are going to setup every component from scratch and for that we will be using Vagrant for provisioning …

In the DevOps world if you do not talk about Jenkins, Continuous Integration, and Continuous Delivery then you are missing a big chunk of it and with the inception of Kubernetes DevOps has grown its territory by 10 folds. In this article, we are going to integrate - Jenkins Kuberneteshttps Pre-Requisite Vagrant Virtual …

Working with kubernetes is always fun as well as challenging. The more you dive deep into the kubernetes ecosystem the more you learn. It always bugged me when I started working with kubernetes that - How can I retain the data after the end of pod life cycle? Answer is - Kubernetes Persistent Volume and Persistent …

Well If you ended up on this article then just like me you are also facing the Warning no volume plugin matched inside your Kubernetes cluster. Warning ProvisioningFailed persistentvolume-controller no volume plugin matched Before you read further let me ask you a question Are you trying to set up the Dynamic Volume …

I faced this issue when I started working with kuberenetes Persistent Volume and Kuberenetes Persistent Claim This issue has occurred because its expecting storageClass to be present inside your kubernetes. Most probably you might have missed creating storageClass or you might have used the wrong storageClass name in …