Kubernetes

Here is the summary of the Day 35 of #90DaysOfDevOps Challenge: What are ConfigMaps and Secrets in k8s ? In Kubernetes, ConfigMaps and Secrets are used to store configuration data and secrets, respectively. ConfigMaps store configuration data as key-value pairs, while Secrets store sensitive data in an encrypted form. 💡Example :- Imagine you’re in charge of a big…

It all started with a question I asked our senior software engineer: “Forget the speed of communication. Is it really better for you to develop communication in gRPC instead of REST?” The answer I didn’t want to get came immediately: “Absolutely yes.” Before I asked this question, I was monitoring…

I recently published on GitHub some samples on how to install Istio on AKS to integrate the installation with the other Azure products. If you are new to Istio you can try my istio-on-aks tutorial. Instead if you are an Istio expert but you are new to Azure, you can…

This article is based on my experience studying for and passing the Certified Kubernetes Security Specialist exam. I recently cleared the CKS (Certified Kubernetes Security Specialist) exam with a decent score in my first attempt. So I thought I should share my story of the exam preparation along with the…

As you know, recently, Kubernetes changed its main repository from k8s.gcr.io to registry.k8s.io, meaning you should update your manifests as soon as possible. In this note, I tell you how you can find running Pods using the legacy Kubernetes image registry. https://kubernetes.io/blog/2023/03/10/image-registry-redirect The following command list all running Pods in…

Kubernetes — 2 Here I will talk about the kube-apiserver, kube-apiserver is a very important service in K8s, whenever you issue a command kubectl get nodes or kubectl get pods the request always goes to the kube-apiserver. kubectl is the utility that helps us to communicate with the Kubernetes cluster. …

Authors Animesh Rastogi, Client Success Partner at Searce Sunil Rai, Staff Engineer at Magicpin About Magicpin Magicpin brings alive the joy of shopping from local stores that are the lifeblood of the economy. Our mission is to get every store in the local neighborhoods discoverable online and provide savings to the customers when…

Have you ever heard about crossplane and want to to know more? Stay tuned and embrace the knwoledge. But first, lets start with IaC. IaC — Infrastructure as Code Maybe you already know what is IaC, and work with it daily, builduing terraform or cloudformation projects, or another/similar IaC software…

What happened? Kubernetes recently announced that they were migrating k8s.gcr.io to registry.k8s.io. For the time being, they will redirect requests from k8s.gcr.io to registry.k8s.io. However, they’ve indicated that the redirect is a stopgap and that they plan to phase it out. Queue panic… Assessing the damage So you’ve audited your clusters, you’ve discovered that…