Certified Kubernetes Administrator (CKA) | DevOps Engineer | CI/CD | Docker | Kubernetes | Cloud (AWS | Azure)
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Sep 8, 2025 · 5 min read · 🔹 1. JSON in Kubernetes Kubernetes resources (Pods, Deployments, Services, etc.) are all stored in etcd in JSON format internally. When you run kubectl get, Kubernetes by default shows a human-readable table output. But you can also tell it to ou...
Join discussionAug 30, 2025 · 5 min read · CoreDNS is a crucial component in Kubernetes for service discovery and DNS resolution inside the cluster. 1. What is CoreDNS? CoreDNS is a DNS server written in Go. In Kubernetes, it provides DNS-based service discovery for pods and services. It r...
Join discussionAug 29, 2025 · 7 min read · 💡 What Is DNS 💡 DNS stands for Domain Name System. It is essentially the “phonebook of the Internet.” Here’s what it does: Purpose: Computers communicate using IP addresses (like 192.168.1.1 or 2606:4700:4700::1111), but humans find it easier to r...
Join discussionAug 28, 2025 · 2 min read · Step 1: Create the PersistentVolume (PV) We need a PV named pv-demo, with ReadWriteMany, 512Mi storage, and host path /data/config. pv-demo.yaml apiVersion: v1 kind: PersistentVolume metadata: name: pv-demo spec: capacity: storage: 512Mi ac...
Join discussionAug 25, 2025 · 4 min read · Cluster Networking in Kubernetes refers to how different components inside a Kubernetes cluster (like Pods, Nodes, Services) communicate with each other internally and with the outside world. Key Concepts ComponentDescription Pod-to-PodCommuni...
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