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SPSamarjeet Patilsamargeet.hashnode.devFeb 4 · 3 min read

AWS S3 Events – Hands-On Practice

📌 Objective The objective of this hands-on lab is to understand Amazon S3 Events and how S3 can automatically trigger notifications when specific actions occur on objects inside a bucket. In this practice, I configured S3 PUT object events to send n...

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AFAnkoay Fenocloud-lab.hashnode.devFeb 4 · 3 min read

AWS Lambda Cost Optimization: Simple Guide + Terraform Hands-On

Learn how to optimize Lambda costs and deploy your first function with Terraform Why AWS Lambda? AWS Lambda lets you run code without managing servers. You pay only for requests and execution time. It's ideal when your traffic is unpredictable or ev...

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HKHicham Kernafhicham-labs.hashnode.devDec 21, 2025 · 1 min read

Resource Locks & Tags in Azure

In this lab I show how to prevent human mistakes and how organizations label resources for ownership, cost tracking, and automation.This is about operational safety in Azure environment. We start by creating our resource group: From Azure Portal → Re...

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AMAkinola Matthewmatthewakinola.hashnode.devSep 27, 2025 · 9 min read

How to Use AWS Secrets Manager with GitHub Actions: A Beginner's Guide with Hands-On Lab

Securely managing sensitive data like API keys, passwords, and tokens in CI/CD pipelines is a cornerstone of modern DevOps practices. Hardcoding credentials in code or configuration files is a security risk that can lead to leaks, breaches, and compl...

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BABlessing Agborblessingagbor.hashnode.devSep 2, 2025 · 7 min read

Breaking APIs: A Hands-On Journey Through the OWASP API Top 10

When I first encountered VAmPI (Vulnerable API), I expected a simple lab exercise. What I discovered was a comprehensive lesson in how subtle coding decisions create catastrophic security vulnerabilities. VAmPI is an intentionally vulnerable API buil...

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HRHritik Rajdevopssre.hashnode.devMay 28, 2025 · 3 min read

Building a Distributed Voting App with Docker: A Hands-On Guide

Ever wondered how modern applications handle high traffic and multiple interacting services? Microservices, containerization, and message queues are key players. Today, I want to walk you through a simple, yet powerful, voting application that showca...

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JMJohn M Harpersqljournal.hashnode.devMay 7, 2025 · 7 min read

BRIN vs B-tree Indexes in PostgreSQL: A Definitive Guide

In PostgreSQL indexing, B-tree indexes have long been the default choice for most use cases. However, BRIN indexes are often considered a more space-efficient alternative when dealing with multi-billion-row tables. But do they live up to the hype? Th...

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SBSergio Bendereusouodba.com.brApr 23, 2025 · 6 min read

Lab: Introdução a Cursores no Oracle Database com PL/SQL

Objetivo Este laboratório introdutório ensina os conceitos básicos de cursores no Oracle Database utilizando PL/SQL, voltado para iniciantes que não têm experiência com PL/SQL. Você aprenderá: O que são cursores e sua importância no processamento de...

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RCRupak Chakrabortyskillbuilderlabs.hashnode.devApr 19, 2025 · 3 min read

AWS Skill Builder Journey

I’m excited to share a new series of blogs that will take you through my hands-on journey with AWS Skill Builder labs. Over the next few weeks, I’ll be diving deep into various labs provided by AWS Skill Builder, where I'll demonstrate practical, rea...

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SUshafiu usmansumyelwa.hashnode.devMar 29, 2025 · 5 min read

Step-by-Step Guide to Building a 2-Node Kubernetes Cluster on AWS EC2

Introduction This guide provides a step-by-step walkthrough on creating and configuring a two-node Kubernetes cluster on AWS EC2 instances. It covers the entire process from provisioning infrastructure on AWS to setting up container runtimes and inst...

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#hands-on-labs

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Trending tags this week

AWS S3 Events – Hands-On Practice

AWS Lambda Cost Optimization: Simple Guide + Terraform Hands-On

Resource Locks & Tags in Azure

How to Use AWS Secrets Manager with GitHub Actions: A Beginner's Guide with Hands-On Lab

Breaking APIs: A Hands-On Journey Through the OWASP API Top 10

Building a Distributed Voting App with Docker: A Hands-On Guide

BRIN vs B-tree Indexes in PostgreSQL: A Definitive Guide

Lab: Introdução a Cursores no Oracle Database com PL/SQL

AWS Skill Builder Journey

Step-by-Step Guide to Building a 2-Node Kubernetes Cluster on AWS EC2