Create a cluster in Amazon EKS and install kubectl.
Introduction. Creating a cluster in Amazon EKS and installing kubectl means setting up a managed Kubernetes environment on AWS and installing the CLI tool used to control it. EKS creates the Kubernetes control plane for you, while kubectl lets you connect to the cluster, deploy applications, manage pods, services, and configurations all from your local machine. Lab […]
Basic Networking Concepts for DevOps Engineer-2.
OSI and TCP/IP Models. OSI Model (7 Layers) The OSI model, or Open Systems Interconnection model, is a conceptual framework that standardizes the functions of a telecommunication or computing system without regard to its underlying internal structure. It divides the communication process into seven distinct layers, each with specific responsibilities, allowing diverse systems to communicate […]
Basic Networking Concepts for DevOps Engineer.
Introduction to Networking. A computer network is a group of interconnected computers that communicate with each other to share resources, data, and applications. Each device in a network is assigned an IP address, which serves as its unique identifier. Types of Networks. 1. Personal Area Network (PAN) – Small network for personal use (e.g., Bluetooth). A Personal Area Network […]
Setting up AWS Budget and Alerts for Cost Development
Introduction. Setting up AWS Budgets and alerts for cost management is an essential practice for organizations seeking to maintain financial control, enhance visibility into cloud spending, and prevent unexpected cost overruns that can impact long-term planning and operational efficiency.By configuring AWS Budgets, teams gain the ability to define custom spending thresholds, monitor usage patterns, and […]
Getting Started with Docker: A Guide to the Most Common Commands.
Introduction. Docker has quickly become one of the most essential tools in modern software development, and whether you’re a developer, a system administrator, or someone exploring DevOps, you’ve probably heard about how it simplifies packaging and deploying applications. For many beginners, though, the idea of containers, images, and isolated environments can feel unfamiliar, but the […]
API Gateway Creating Resources and Method.
In Amazon API Gateway, creating resources and methods means defining the structure of your API. Lab Steps Step 1: Sign to the AWS Management Console 1. Click on the Open Console button, and you will get redirected to AWS Console in a new browser tab. 2. Copy your User Name and Password in the Lab Console […]
Top 50 Basic Linux Commands Every Beginner Should Know. (Tutorial 1)
1. File and Directory Management. File and directory management in Linux is an essential part of system administration and user operations. Linux organizes data in a hierarchical structure, starting from the root directory /. Files are used to store data, while directories act as containers for organizing these files. Common commands like ls, cd, pwd, […]
Build API Gateway with Lambda Integration.
Introduction. Building an API Gateway with Lambda integration is one of the most powerful and flexible ways to create serverless applications on AWS. Amazon API Gateway serves as a fully managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale. By integrating it with AWS Lambda, […]
From Zero to Container: Writing Your First Dockerfile.
Introduction. In today’s fast-paced software development world, consistency, speed, and portability have become essential pillars of modern engineering. Docker has emerged as a revolutionary tool that addresses these needs by allowing developers to build, package, and ship applications in lightweight, portable containers. At the core of this ecosystem are two fundamental components: the Dockerfile and […]
Essential Docker Commands Every Developer Should Know.
Introduction. In today’s cloud-native era, software containers have become the backbone of modern application development and deployment. They allow developers to package applications with all their dependencies into lightweight, portable units that can run reliably across different environments. Whether you’re deploying a simple web app or orchestrating microservices across multiple servers, containers simplify the process […]