AWS Tutorials & How-tos

Amazon Web Services is the most widely used cloud platform, and these guides focus on the services teams actually reach for — compute (EC2, Lambda, ECS/EKS), storage (S3, EBS), networking (VPC), and IAM — with an emphasis on cost, security, and reliability. Expect concrete configuration and the tradeoffs behind architecture decisions.

Topics range from getting started safely (IAM least privilege, tagging, budgets) to production concerns like autoscaling, multi-AZ design, and cutting cloud spend without hurting performance.

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Frequently asked questions

What is AWS used for?

AWS provides on-demand cloud infrastructure and services — virtual servers, storage, databases, networking, serverless functions, container orchestration, and hundreds more — billed by usage, so teams can build and scale applications without owning hardware.

How can I reduce my AWS bill?

The biggest levers are right-sizing compute, using autoscaling and Savings Plans/Reserved capacity for steady workloads, moving cold data to cheaper S3 tiers, deleting idle resources, and setting budgets and alerts to catch runaway spend early.