Azure DevOps For Beginners
Azure is one of the leading cloud service providers and supports a powerful set of DevOps services. In this blog, we talk about what makes Azure a good fit and a good choice to use for DevOps. This blog is a part of our Azure DevOps training program which covers all about Azure DevOps Certification [AZ-400] […]
Top 70 Terraform Interview Questions and Answers for 2026 | K21Academy
Terraform has become the gold standard for Infrastructure as Code (IaC), enabling teams to manage infrastructure in a scalable, repeatable, and automated way. As we enter 2026, Terraform is more important than ever, with organisations moving towards hybrid and multi-cloud setups. Whether you are a fresher or an experienced DevOps engineer, preparing for Terraform interview […]
Troubleshooting Kubernetes Pods & Cluster
In this blog, we will discuss: What is Kubernetes Troubleshooting? | Three key points in K8s Troubleshooting | Troubleshooting Kubernetes Pods | ImagePullBackOff or ErrImagePull | CreateContainerConfigError | CrashLoopBackOff | OOM kill due to container limit reachedPod Stays Pending | Troubleshooting Node Not Ready Error | Troubleshooting Kubernetes Clusters | Conclusion Kubernetes consists of multiple […]
ARM Templates: Azure Resource Manager Template Tutorial
Before we jump into ARM Templates, let us first understand what we understand by Azure Resource Manager (ARM). You might be using Azure for various reasons, and there might be a time when you get stuck in deploying the required resources. Azure Resource Manager (ARM) is a management framework used in Microsoft Azure to deploy, […]
What are Terraform Modules and their purposes?
You must be somewhat familiar with Terraform’s fundamentals and have used it at least once, I’m assuming. If not, read this introduction to Terraform before moving on. It is simpler to expand your infrastructure and maintain a tidy configuration with Terraform. Yet when the infrastructure expands, maintaining a single directory gets challenging. Terraform modules can […]
How to Fix ERROR: Blocked By Policy
Azure provides a wide range of virtual machine sizes to cater to different workloads and applications. However, sometimes while selecting a VM size, you might come across an error message that says Blocked by the policy. This error message can be frustrating, especially when you’re in a rush to get your workload up and running. […]