AWS Lambda Cheat Sheet for Beginners.
Introduction. AWS Lambda is one of the most powerful services offered by Amazon Web Services. It allows developers to run code without managing or provisioning servers. This concept is known as serverless computing. For beginners, serverless can sound confusing at first. However, AWS Lambda simplifies cloud development significantly. You only focus on writing your application […]
AWS Lambda Architecture Explained: From Event to Execution.
Introduction. AWS Lambda has transformed the way teams build and operate applications by removing the need to manage servers and infrastructure. At first glance, it appears deceptively simple: you upload your code, configure a trigger, and AWS takes care of the rest. Behind this simplicity, however, lies a carefully engineered architecture designed to handle events, […]
AWS Lambda Interview Questions from Beginner to Advanced – Complete Guide.
Beginner-Level AWS Lambda Interview Questions. 1. What is AWS Lambda? AWS Lambda is a serverless compute service that lets you run code without managing servers. 2. What does “serverless” mean in AWS Lambda? Serverless means AWS manages servers, scaling, and infrastructure while you focus only on code. 3. What is a Lambda function? A Lambda […]
AWS Lambda for Beginners: 10 Real Projects Used in Production.
Introduction. AWS Lambda has changed how modern applications are built. It allows developers to run code without managing servers. For beginners, this idea can feel both exciting and confusing. Serverless promises speed, scalability, and lower operational overhead. Yet many tutorials stop at simple “hello world” examples. Real confidence comes from seeing Lambda used in production. […]
AWS Lambda Explained in Simple Terms.
Introduction. AWS Lambda is a serverless computing service provided by Amazon Web Services that allows developers to run code without having to manage servers, making it an ideal starting point for beginners in cloud computing. With Lambda, developers can focus on writing code while AWS automatically handles the infrastructure, including provisioning, scaling, and managing the […]
AWS Lambda Pricing Explained.
AWS Lambda pricing is a pay-as-you-go model that allows users to run code without provisioning or managing servers, charging only for the resources actually consumed during execution. The cost is primarily based on the number of requests made to a Lambda function and the amount of compute time used to process those requests. Each time […]
AWS Lambda Explained: How Serverless Computing Actually Works.
Introduction. AWS Lambda is a serverless computing service. It is provided by Amazon Web Services. AWS Lambda removes server management. Developers do not provision servers. Infrastructure is fully managed by AWS. Serverless computing runs code on demand. AWS Lambda executes code automatically. Functions are triggered by events. Events come from AWS services. API Gateway triggers […]
Comparing EC2, ECS & EKS with Use Cases.
Introduction. Choosing the right compute service on AWS is one of the most important architectural decisions a DevOps engineer can make. Amazon EC2, ECS, and EKS all provide ways to run applications in the cloud, but they solve very different problems. At first glance, these services may look similar because they all allow you to […]
Deploying an EC2 instance and connecting over SSH with PuTTY
Introduction: Launching an EC2 instance and SSH using PuTTY refers to the process of creating a virtual server (EC2 instance) in AWS and then securely connecting to it from a Windows computer using PuTTY, an SSH client. Lab Steps Step 1: Sign to the AWS Management Console 1. Click on the Open Console button, and […]
Getting started with Lambda Function
Introduction Introduction to Amazon Lambda refers to learning the basics of AWS Lambda, a serverless compute service that lets you run code without managing servers. It covers how to create Lambda functions, set triggers, manage permissions, and execute code in response to events like API calls, S3 uploads, or SQS messages. Lab Steps Step 1: […]