--- title: "Gaurav Kumar (@gkkumar) | Hashnode" description: "DevOps Engineer. Read the latest articles by Gaurav Kumar on Hashnode." url: "https://hashnode.com/@gkkumar" --- @gkkumar # Gaurav Kumar @gkkumar · Bangalore, Karnataka, IND · Joined June 2024 DevOps Engineer ### [Troubleshooting Kubernetes Deployment Issues](https://kubernetes-by-gaurav.hashnode.dev/troubleshooting-kubernetes-deployment-issues?utm_source=hashnode&utm_medium=feed) Troubleshooting CrashLoopBackOff Issue using sample Deployment Kubernetes is a powerful container orchestration tool that automates the deployment, scaling, and management of containerized applications. However, It's a common thing we might found i... 3 min read · [kubernetes-by-gaurav.hashnode.dev](https://kubernetes-by-gaurav.hashnode.dev/troubleshooting-kubernetes-deployment-issues?utm_source=hashnode&utm_medium=feed) [Jul 17, 2024](https://hashnode.com/posts/troubleshooting-kubernetes-deployment-issues/6697798fffb8251421e1e528) ### [Introduction to Kubernetes Objects](https://kubernetes-by-gaurav.hashnode.dev/introduction-to-kubernetes-objects?utm_source=hashnode&utm_medium=feed) Kubernetes is an open-source platform designed to automate deploying, scaling, and operating application containers. Kubernetes provide features of multiple object creation which represent the state of our cluster. In this blog, we will explore some ... 7 min read · [kubernetes-by-gaurav.hashnode.dev](https://kubernetes-by-gaurav.hashnode.dev/introduction-to-kubernetes-objects?utm_source=hashnode&utm_medium=feed) [Jul 16, 2024](https://hashnode.com/posts/introduction-to-kubernetes-objects/6696335c6d78f9b5e711aa3e) ### [Labels and Selector in Kubernetes](https://kubernetes-by-gaurav.hashnode.dev/labels-and-selector-in-kubernetes?utm_source=hashnode&utm_medium=feed) Understanding Kubernetes Labels and Selectors Kubernetes labels and selectors are powerful features that help us to manage and organize our resources within a Kubernetes cluster. Labels are key/value pairs that we attached to Kubernetes objects like ... 5 min read · [kubernetes-by-gaurav.hashnode.dev](https://kubernetes-by-gaurav.hashnode.dev/labels-and-selector-in-kubernetes?utm_source=hashnode&utm_medium=feed) [Jul 13, 2024](https://hashnode.com/posts/labels-and-selector-in-kubernetes/66929260356c34f29e3d9a7a) ### [Kubernetes Architecture Explanation](https://kubernetes-by-gaurav.hashnode.dev/kubernetes-architecture-explanation?utm_source=hashnode&utm_medium=feed) Introduction Kubernetes is an open sourced platform designed to automate deploying, scaling and operating application containers. It is also abbreviated as k8s. It groups various containers into logical units for easy management and discovery. It pro... 5 min read · [kubernetes-by-gaurav.hashnode.dev](https://kubernetes-by-gaurav.hashnode.dev/kubernetes-architecture-explanation?utm_source=hashnode&utm_medium=feed) [Jul 12, 2024](https://hashnode.com/posts/kubernetes-architecture-explanation/6691136665f297563d66517d) ### [NetworkPolicy in Kubernetes with example](https://kubernetes-by-gaurav.hashnode.dev/networkpolicy-in-kubernetes-with-example?utm_source=hashnode&utm_medium=feed) Introduction In Kubernetes we can deploy as many as pods which is for different application or have specific usage, by default in Kubernetes cluster all pods can communicate to each other but If we want some specific pods to not be communicated by ot... 5 min read · [kubernetes-by-gaurav.hashnode.dev](https://kubernetes-by-gaurav.hashnode.dev/networkpolicy-in-kubernetes-with-example?utm_source=hashnode&utm_medium=feed) [Jun 26, 2024](https://hashnode.com/posts/networkpolicy-in-kubernetes-with-example/667bb6aad7e95420e8d81072)