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 […]
Building an API Gateway with Path and Query String Parameters.
We’ll build an AWS API Gateway that uses path parameters and query string parameters, connected to a Lambda function. 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 […]
Top Linux Commands for Developers.
Networking. Networking in Linux is one of the most powerful and flexible aspects of the operating system, providing users with complete control over how systems communicate with each other. Linux was designed from the ground up as a multi-user, networked system, and its networking capabilities are deeply integrated into the kernel and user-space utilities. The […]
Introduction to AWS API Gateway What, Why & Real-World Use.
Introduction. In today’s cloud-driven world, businesses need their applications to be fast, scalable, and secure. API (Application Programming Interface) is how apps talk to each other. But managing APIs manually can become complex, especially when apps grow. This is where AWS API Gateway helps! What is AWS API Gateway? AWS API Gateway is a fully managed […]
Mastering Linux Text Processing for DevOps: From Grep to Awk.
Linux Text Processing. Linux text processing is one of the most powerful skills a DevOps engineer can master. The command line provides a rich set of utilities designed to read, manipulate, filter, and transform text directly within the terminal. Since almost everything in Linux is represented as text from configuration files to logs and system […]
Essential Linux Commands for File and Directory Management Every DevOps Engineer Should Know.
Introduction. Every second saved in automation, navigation, or file handling contributes to smoother deployments and faster troubleshooting. At the heart of all these processes lies the Linux operating system the backbone of servers, containers, and CI/CD environments worldwide. Whether you’re managing cloud infrastructure, configuring build pipelines, or deploying microservices, Linux commands are your most reliable […]
Solutions Architect Associate vs Developer Associate: Which One Should You Take First?
Introduction. The cloud computing world has grown at an unprecedented pace over the past decade, transforming how businesses operate and how developers build applications. Among the cloud platforms available today, Amazon Web Services (AWS) stands out as a dominant leader, offering a wide array of services for computing, storage, networking, databases, analytics, machine learning, and […]
Top DevOps Certifications to Kickstart Your Career in 2025.
Introduction. In today’s fast-paced digital era, every organization is striving to deliver software faster, more securely, and with greater reliability. This demand has given rise to one of the most transformative movements in modern IT DevOps. By bridging the gap between software development and operations, DevOps enables teams to collaborate seamlessly, automate workflows, and deliver […]
What Are Containers and Why DevOps Teams Can’t Live Without Them.
Introduction. In today’s rapidly changing software landscape, where speed, consistency, and scalability define success, DevOps has emerged as the backbone of modern development practices.At the heart of this transformation lies one powerful technology containers.They have fundamentally changed how teams build, package, test, and deploy software applications.What once took days or even weeks to set up […]