AWS

AWS

Amazon Web Services (AWS) is Amazon's cloud computing platform, offering more than 200 on-demand services spanning compute, storage, databases, networking, and…

Azure

Microsoft Azure is Microsoft's cloud computing platform, offering services for compute, storage, networking, databases, analytics, and artificial intelligence,…

Google Cloud

Google Cloud (Google Cloud Platform, GCP) is Google's suite of public cloud computing services, offering compute, storage, networking, databases, machine learn…

Cloudflare

Cloudflare is a global cloud services company providing a content delivery network (CDN), DNS, DDoS protection, and Zero Trust security products that sit in fr…

Oracle Cloud

Oracle Cloud Infrastructure (OCI) is Oracle's public cloud computing platform, offering compute, storage, networking, database, and application services design…

Terraform

Terraform is HashiCorp's open-source infrastructure-as-code tool for defining, provisioning, and managing cloud and on-premises infrastructure through declarat…

Ubuntu

Ubuntu is a popular, Debian-based Linux distribution maintained by Canonical, widely used for servers, desktops, and cloud deployments because of its ease of u…

Vault

Vault is HashiCorp's secrets management tool for securely storing, accessing, and rotating sensitive data such as API tokens, database credentials, and TLS cer…

Akamai

Akamai is a global content delivery network (CDN) and cloud security platform that caches and accelerates web content across a distributed edge network while p…

Alibaba Cloud

Alibaba Cloud (also known as Aliyun) is Alibaba Group's cloud computing division, offering global infrastructure-as-a-service, platform-as-a-service, and softw…

Amazon Lightsail

Amazon Lightsail is a simplified AWS cloud service that bundles virtual servers, storage, networking, and often a static IP into easy-to-use, predictably price…

AWS Amplify

AWS Amplify is a set of tools and services for building full-stack web and mobile applications quickly, providing simplified backend integration for authentica…

Serverless Framework

The Serverless Framework is an open-source command-line tool for building, packaging, and deploying serverless applications — functions, APIs, and event trigge…

MinIO

MinIO is a high-performance, open-source object storage system that implements the Amazon S3 API, letting teams run S3-compatible storage on their own infrastr…

Oracle

Oracle is a global enterprise technology company best known for Oracle Database, a widely used relational database management system, alongside cloud infrastru…

Pulumi

Pulumi is an infrastructure-as-code platform that lets developers define and provision cloud infrastructure using general-purpose programming languages like Ty…

Cloudways

Cloudways is a managed cloud hosting platform that lets users deploy and manage websites and applications on top of underlying infrastructure from providers li…

Linode

Linode is a cloud computing platform providing virtual machines (Linodes), managed Kubernetes, object storage, block storage, and networking services, known fo…

OVHcloud

OVHcloud is a French cloud computing and hosting company, one of the largest hosting providers in Europe, offering bare-metal servers, VPS, public cloud, and w…

IBM Cloud

IBM Cloud is IBM's public cloud computing platform, offering infrastructure, platform, and AI services, with a strong emphasis on hybrid cloud and enterprise i…

Tencent Cloud

Tencent Cloud is the cloud computing platform of Tencent Holdings, one of China's largest technology companies, offering infrastructure, AI, and gaming-focused…

AWS Lambda

AWS Lambda is Amazon Web Services' serverless compute service that runs code in response to events without requiring the user to provision or manage servers, b…

AWS Fargate

AWS Fargate is a serverless compute engine for containers that runs Amazon ECS or Amazon EKS workloads without requiring the user to provision, patch, or scale…

AWS App Runner

AWS App Runner is a fully managed service for deploying containerized web applications and APIs directly from source code or a container image, handling build,…

Auto Scaling Groups

Learn how EC2 Auto Scaling Groups automatically add and remove instances based on demand, using launch templates, scaling policies, and health checks.

AWS CloudFront Basics

Understand how Amazon CloudFront's global CDN caches and accelerates content delivery, including origins, cache behaviors, and invalidation strategies.

AWS Free Tier and Billing Basics

How AWS's Free Tier works, how billing and invoicing are structured, and the tools and habits that keep costs predictable and under control.

AWS Interview Questions

Common categories of AWS interview questions, with the reasoning interviewers are actually testing for and how to structure strong answers.

AWS KMS Basics

AWS Key Management Service (KMS) creates and controls the cryptographic keys used to encrypt data across AWS services, without exposing the underlying key mate…

AWS Lambda Basics

Learn how AWS Lambda's serverless compute model works, including function packaging, triggers, execution roles, and how billing differs from EC2.

AWS Quick Reference

A condensed cheat sheet of core AWS compute, storage, networking, database, IAM, and CLI facts for fast lookup and last-minute review.

AWS Route 53 Basics

Learn how Amazon Route 53 provides scalable DNS, domain registration, and traffic routing policies like weighted, latency-based, and failover routing.

AWS Shared Responsibility Model

How security and compliance obligations are divided between AWS and its customers, and why misunderstanding this split is a leading cause of cloud security inc…

AWS Storage Gateway Overview

See how AWS Storage Gateway bridges on-premises applications to S3, EBS snapshots, and Glacier using File, Volume, and Tape gateway modes.

The AWS Well-Architected Framework

A structured overview of the six pillars AWS uses to evaluate cloud architectures, and the practical trade-offs engineers face applying them.

CloudWatch Monitoring Basics

Learn how Amazon CloudWatch collects metrics and logs from your AWS resources, and how to build alarms that alert you before small issues become outages.

Deploying a Simple App on AWS

A practical walkthrough of the main paths for getting a small web application live on AWS, from Elastic Beanstalk to static hosting with S3 and CloudFront.

DynamoDB Basics

Amazon DynamoDB is a fully managed, serverless NoSQL key-value and document database designed for single-digit-millisecond performance at any scale.

EBS vs Instance Store

Understand the difference between persistent, network-attached EBS volumes and ephemeral, physically-attached instance store volumes on EC2, and when to use ea…

EC2 Fundamentals

Learn what Amazon EC2 is, how virtual server instances work in the cloud, and how to launch, connect to, and manage them safely.

EC2 Instance Types and Pricing

Understand EC2 instance family naming, how to pick the right instance size for a workload, and the trade-offs between On-Demand, Reserved, and Spot pricing.

EFS Explained

Learn how Amazon EFS provides a fully managed, elastic NFS file system that multiple EC2 instances and containers can mount and share concurrently.

Elastic Load Balancing

Learn how AWS Elastic Load Balancing distributes traffic across healthy targets, and the differences between Application, Network, and Gateway Load Balancers.

IAM Policies Explained

IAM policies are JSON documents that define permissions, and understanding their structure and evaluation logic is essential to securing an AWS account.

IAM Users, Groups, and Roles

AWS Identity and Access Management (IAM) defines who or what can act in your account, using users, groups, and roles as the core identity building blocks.

RDS Fundamentals

Amazon RDS is a managed relational database service that automates provisioning, patching, backups, and failover for engines like MySQL, PostgreSQL, and Aurora.

S3 Fundamentals

Learn how Amazon S3 stores data as objects in buckets, and the durability, consistency, and access-control model that makes it the backbone of AWS storage.

S3 Storage Classes

Compare S3's storage classes — from Standard to Glacier Deep Archive — and learn how to pick the right one and automate transitions with lifecycle rules.

AWS Free Tier: Best Services to Try in 2026

Get hands-on with AWS without spending a dime. Explore the best free-tier services for beginners.

AWS vs Azure vs Google Cloud: Which to Learn?

A comprehensive guide to aws vs azure vs google cloud: which to learn? — written for learners at every level.

AWS Certification Path: Which One to Choose

A comprehensive guide to aws certification path: which one to choose — written for learners at every level.

AWS for Beginners: Cloud Computing Fundamentals

Amazon Web Services is the world's most widely used cloud platform. This guide covers the core services every developer needs — EC2 (virtual servers), S3 (stor…

Terraform Basics: Infrastructure as Code on AWS

Terraform lets you define cloud infrastructure in code, version it in Git, and deploy it repeatably. This guide covers providers, resources, variables, outputs…

AWS CLI Cheat Sheet

AWS CLI commands for S3, EC2, Lambda, IAM, and other core services.

Serverless Architecture Cheat Sheet

Design patterns, tradeoffs, and best practices for building event-driven serverless applications across cloud providers.

Cloud Cost Optimization Cheat Sheet

Practical strategies and tools for reducing cloud spend across compute, storage, and networking on AWS, Azure, and GCP.

CDN & Edge Computing Cheat Sheet

Key concepts, configuration patterns, and provider comparisons for content delivery networks and edge compute platforms.

Cloud Migration Strategies Cheat Sheet

Covers the six R's of cloud migration, migration phases, and key considerations for moving workloads from on-premises to the cloud.

FinOps Basics Cheat Sheet

Introduces FinOps principles, the crawl-walk-run maturity model, cost allocation via tagging, and key cost optimization levers.

What is a Global Secondary Index (GSI) in DynamoDB?

A Global Secondary Index (GSI) in DynamoDB is an alternate partition-and-sort-key view of a table that lets you query items efficiently by attributes other tha…

What is Terraform?

Terraform is an open-source Infrastructure as Code tool that lets you define cloud and on-premises resources in declarative configuration files, then plans and…

What is Terraform State and Why Does It Matter?

Terraform state is a JSON file (typically terraform.tfstate) that maps every resource block in your configuration to the real-world infrastructure object it cr…

Terraform vs CloudFormation: What is the Difference?

Terraform is a cloud-agnostic, open-source infrastructure-as-code tool by HashiCorp that manages resources across many providers using its own HCL language and…

What is cloud-init and How Does It Work?

cloud-init is the industry-standard boot-time initialization tool that runs during a cloud instance's first boot to apply provider-supplied metadata and user-s…

What Are Terraform Providers and How Do They Work?

A Terraform provider is a plugin that translates Terraform’s declarative HCL resource blocks into API calls against a specific platform, such as AWS, Azure, GC…

What Is a Terraform Remote Backend and Why Use One?

A Terraform remote backend stores the state file in a shared, centralized location such as an S3 bucket, Azure Blob Storage, or Terraform Cloud, instead of on…

AWS vs Azure vs GCP: What Are the Core Differences?

AWS, Azure, and GCP are the three dominant public cloud providers offering the same core categories of service — compute, storage, networking, databases, and m…

What is a Bastion Host and Why Do You Need One?

A bastion host is a purpose-built, hardened server placed at the edge of a private network that acts as the single, monitored entry point administrators must p…

VPN vs VPC Peering: What is the Difference?

A VPN creates an encrypted tunnel over the public internet to connect two networks (such as an on-premises data center and a cloud VPC), while VPC peering dire…