Prabhat Korshub Blogs

 In today’s cloud-native world, Kubernetes has become the gold standard for container orchestration — powering applications across startups, enterprises, and global tech giants. If you’re a developer aiming to stand out in the DevOps or cloud ecosystem, the Certified Kubernetes Application Developer (CKAD) certification is your ticket to success in 2025. This blog walks you through everything you need to know — from the exam structure and preparation strategy to real-world benefits and career impact. 🚀 What Is the CKAD Certification? The CKAD (Certified Kubernetes Application Developer) certification, offered by the Cloud Native Computing Foundation (CNCF) in collaboration with The Linux Foundation , validates your ability to design, build, configure, and deploy cloud-native applications on Kubernetes. It’s designed specifically for developers , unlike the Certified Kubernetes Administrator (CKA) , which focuses more on cluster operations and management. 🎯 Why You Shou...

  Introduction Welcome to The Complete Jenkins DevOps CI/CD Pipeline Bootcamp —your all-in-one guide to mastering Jenkins, the backbone of modern DevOps automation. If you’ve ever wondered how tech giants like Netflix, Amazon, or Spotify push updates seamlessly, the answer lies in Continuous Integration and Continuous Deployment (CI/CD) —powered by tools like Jenkins . Jenkins is not just another tool; it’s the heart of automation in DevOps. It helps developers integrate, test, and deploy code faster while maintaining quality and consistency. Understanding DevOps and CI/CD What is DevOps? DevOps is the perfect blend of Development and Operations . It bridges the gap between developers and IT teams, promoting faster delivery, collaboration, and automation across the software lifecycle. The CI/CD Philosophy CI/CD stands for Continuous Integration and Continuous Deployment . Continuous Integration (CI): Automates code integration and testing. Continuous Deployment (C...

 In today’s fast-moving IT world, automation is the backbone of modern DevOps practices. Among the many tools available, Ansible stands out as a powerful, agentless automation tool that helps organizations streamline infrastructure management, application deployment, and configuration at scale. If you’re planning to become a skilled DevOps engineer or want to simplify complex system administration tasks, mastering Ansible through real-world projects is the best way to level up your expertise. What is Ansible? Ansible is an open-source IT automation tool developed by Red Hat. Unlike many other automation tools, it is agentless , meaning it doesn’t require any software to be installed on target systems. Instead, it uses SSH (or WinRM for Windows) to communicate with remote hosts. With Ansible, you can: Automate configuration management Deploy applications consistently Manage servers and services at scale Orchestrate complex workflows Why Ansible is a Must-Hav...

  Introduction Monitoring is the backbone of modern DevOps and SRE (Site Reliability Engineering) practices. Without proper monitoring, even the most robust infrastructure can fail silently. This is where Prometheus and Grafana come in — one collects and processes metrics, the other visualizes them beautifully. Together, they form one of the most powerful monitoring stacks in the DevOps ecosystem. In this complete guide, we’ll cover everything about Prometheus and Grafana, from basic setup to advanced scaling , and how you can use them to master infrastructure monitoring like a pro. Getting Started with Prometheus Prometheus is an open-source monitoring and alerting toolkit designed for reliability and scalability. Originally developed at SoundCloud, it’s now a CNCF (Cloud Native Computing Foundation) project. Core Features of Prometheus Multi-dimensional data model Powerful query language (PromQL) Pull-based metric collection Integrated alerting with Alertm...