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Question: There are 3 Pods, “web”, “db” and “ckad-netpol-newpod”, are running under namespace ckad-netpol. Task: Pod ckad-netpol-newpod in the ckad-netpol namespace to use a NetworkPolicy allowing the Pod to send and receive traffic only to and from the pods web and db. You must not create, modify, delete any network policy while working on this …

CKAD: NetworkPolicy Read More »

In this comprehensive video, we dive deep into the concept of StatefulSets in Kubernetes. You may have heard about Deployments, but StatefulSets offer a unique way to manage stateful applications in a cloud-native environment. Throughout this video, you’ll learn what a StatefulSet is, its key features, and the differences between StatefulSets and Deployments. Index IntroductionWhat …

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Requests and limits   Requests: It means minimum amount of resource it can consume (request). Kubernetes Schedular will check the node if it can create a pod with this minimum resource? Limits: It means, maximum amount of request container can demand. The kubelet (and container runtime) enforce the limit. If application inside the container demands …

Configure Memory and CPU Quotas for a Namespace Read More »

Multus CNI By default, Kubernetes supports a single network interface! For some scenario, we need to implement two or three interfaces in the PODs, so that we can connect to different backend services. Multus is an open-source CNI (Container Network Interface) plug-in for Kubernetes that lets you attach multiple network interfaces to a single pod …

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CKA exam ClusterRole question Question 1: Use context: kubectl config use-context k8s-c1-H You have been asked to create a new ClusterRole for a deployment pipeline and bind it to a specific ServiceAccount scoped to a specific namespace. Task – Create a new ClusterRole named deployment-clusterrole-var, which only allows to create the following resource types: – …

CKA exam 2023 – ClusterRole Read More »

 How to create Kubernetes cluster on CentOS 9     Today we will learn:1. Kubeadm2. kubectl3. kubelet4. How to create Kubernetes cluster5. Prerequisite for kubernetes cluster6. Smooth installation of kubernetes cluster on CentOS 9 Stream OS7. Through manual and bash script.8. Bash auto complete for kubelet9. Practicle lab.