Arun Lal - ComTechies - Build Smarter. Market Better. Host Stronger

Kubernetes Certification Coupon (Updated For 2025)

If you are looking for Linux Foundation Coupons to save on CKA, CKAD, and CKS Kubernetes Certifications, Courses, Skillcreds, and…

11 min read Oct 28, 2025

CKA EXAM public

How to Create Init Containers on Kubernetes Cluster

Arun Lal

In this blog, we are going to look at the Init containers of the Kubernetes cluster. We often arrange multiple…

2 min read Mar 3, 2024

CKA EXAM public

How to Create a Kubernetes Deployment & Perform Rolling Update

Arun Lal

In this blog, we will look at how we can create a Deployment using imperative and declarative ways. We will…

3 min read Feb 23, 2024

CKA EXAM public

How to Create a ReplicaSet on Kubernetes

Arun Lal

In this blog, we are going to look what is ReplicaSet on Kubernetes and hands-on. If you want to run…

2 min read Feb 15, 2024

CKA EXAM public

Kubernetes Authentication vs Authorization

Arun Lal

In this blog, we are going to look at what Authentication and Authorization and how they work on Kubernetes. In…

2 min read Feb 15, 2024

CKA EXAM public

Kubernetes Service Accounts: Pod Access Control

Arun Lal

In this blog, we are going to look at what is Service Account on Kubernetes is and how it works.…

3 min read Feb 14, 2024

CKA EXAM public

Kubernetes RBAC: How to Create Cluster Roles and Bindings?

Arun Lal

In this blog, we are going to look at how we can create Cluster Role objects and how we can…

2 min read Feb 12, 2024

kubernetes public

Single-Container Pods vs. Multi-Container Pods: What's the Difference?

Arun Lal

A Pod is a small deployable unit that has a running container, inside a Pod, we can run one or…

3 min read Feb 11, 2024

kubernetes public

Essential Files for Kubernetes Cluster: Exploring /etc/kubernets

Arun Lal

If you are working on Kubernetes or interested in Kubernetes then you should know what are the essential and important…

3 min read Feb 9, 2024

kubernetes public

How to Create a Static Pod on Kubernetes?

Arun Lal

In this blog, we are going to look at how to create a Static Pod on your Kubernetes Cluster. Step…

3 min read Jan 26, 2024

CKA EXAM public

How To Backup And Restore ETCD On Kubernetes Cluster?

Arun Lal

In this article, I am going to give a step-by-step guide to taking backup and restore of the ETCD on…

3 min read Jan 23, 2024

kubernetes public

How to Upgrade Kubeadm Cluster?

Arun Lal

In this blog, I am going to demonstrate how we can upgrade the Kubeadm cluster from version 1.27 to…

4 min read Jan 23, 2024