Tech Blogs - Tutorials Dojo

AB-900 Microsoft 365 Copilot and Agent Administration Fundamentals Exam Study Guide
Bookmarks Study Materials Key Topics to Focus On Validate Your Knowledge Final Remarks The AB-900 Copilot & Agent Administration Fundamentals certification exam is designed for IT professionals who work with Microsoft 365 and need to understand how to administer Microsoft Copilot and [...]
Deploying an AWS Application Load Balancer (ALB) Using Terraform
If you’ve tried building an ALB manually in the AWS Console, you already know the drill create a VPC, configure subnets, set up security groups, launch EC2 instances, create a target group, add listeners, and then double check everything because one small misconfiguration can break the whole setup. It [...]
How to Break Into Tech (With Security in Mind)
Let’s talk honestly for a second. If you want to break into tech securely, you need to think differently from the start. A lot of people say they want to “break into tech,” but very few think about structure, architecture, and security from day one. What they usually mean [...]
Stop Running OpenClaw on Your Laptop: How I Built a Secure Personal AI Assistant Using Amazon Bedrock
I'll admit. The first time I heard about OpenClaw and its features, I was obsessed. The idea of having an AI that could actually do stuff rather than just giving responses to prompts felt like living in the future. As a university student, it’s a given that I have [...]
Improving Application Security with AWS Security Agent
Modern software teams are very fast today. Code is pushed daily. Pipelines deploy automatically. Features reach users quickly. This is the success of DevOps. But security often does not move at the same speed. In many organizations, security reviews are still scheduled monthly or quarterly. Penetration tests require coordination. [...]
Real-time Personally Identifiable Information (PII) Redaction Pipeline with S3 + Lambda + Comprehend
In my previous article, I demonstrated how to use the Amazon Comprehend console to manually detect and redact Personally Identifiable Information (PII) from text files. While this hands-on method is excellent for learning the fundamentals of PII detection, it’s not practical in real-world, high-volume environments where speed and accuracy [...]
Are AI Engineers the New Full-Stack Developers?
Something has been quietly shifting in the tech industry. Job titles that used to sit in completely separate corners of a hiring platform are starting to blur together, and engineers on both sides are feeling it. The full-stack developer who's suddenly expected to integrate LLMs. The AI engineer who's [...]
The “Stateful” Video: Moving from Random Prompts to Semantic Consistency
In the early days of GenAI, creating a video was like launching a Lambda function with no database—every time you ran it, the AI "forgot" what the character looked like, what they were wearing, or even the laws of physics in the previous scene.As we hit 2026, the industry [...]
Reinforcement Fine-Tuning in Amazon Bedrock: A Practical Guide for Enterprise AI
Large language models are powerful, but power alone is not enough for enterprise AI. A model may generate fluent responses, yet still miss your company’s tone, fail structured validation rules, or produce outputs that are technically correct but operationally unusable. The real challenge is not just making models smarter, [...]
Don’t Install OpenClaw! (Unless You Read This First)
If you have been on Twitter, TikTok, or GitHub recently, you have probably seen the hype. Clawdbot (now rebranded as OpenClaw) promises something bold: a self-hosted AI employee that runs on your Mac Mini, has terminal access, and takes instructions through messaging platforms like Telegram. It sounds powerful. It [...]

Cloud-9.2: Launching Your Amazon EC2 Instance

Hey, this is Step 2 of our 9-step website portfolio building with AWS and WordPress! Got lost? Click here to go to the main article, and here for the first step! Now that you've secured your domain, it's time to bring your website to life! In this step, we’ll launch an Amazon EC2 instance, a cloud-based virtual server that will host your portfolio. History 101: From Physical Servers to the Cloud Before diving into [...]

Signed, Sealed, Secured: Amazon S3 Style

Building applications requires extensive planning, ranging from UI design and data flow to database interactions. However, one of the most crucial aspects is figuring out how to allow users to save files such as images, PDFs, and videos securely and reliably within our application. Fortunately, AWS offers a robust and scalable service for handling file storage: Amazon Simple Storage Service (S3). Nevertheless, the real challenge lies in controlling how users upload and download their [...]

Genomic Data with Amazon S3: A Practical Guide to Public Datasets

What if, you don’t have to worry about massive datasets? What if they’re open and easily accessible to you? Would it help… to inspire you to work on that bioinformatics project? Fret not! Have you heard of AWS Open Data Program (ODP)? You will now! Related: If you haven’t read about utilizing SRA Toolkit and AWS for data preparation, you can read it here. Introduction to Related Concepts: Why Genomic Data in Amazon S3? [...]

The New Race to the Moon: AI’s Global Economic Impact and What It Means for Your Career [Opinion]

"One small step for man, one giant leap for mankind" - a phrase spoken by Neil Armstrong as he became the first person to set foot on the Moon In 1962, when President Kennedy declared that America would put a man on the moon before the decade's end, he wasn't just announcing a scientific endeavor. He was firing the starting gun in a race that would reshape the global economy for generations to [...]

Vibe Coding: Where Ideas Become Reality with AI

Vibe Coding is the next evolution of software development, it's like having a super-smart coding partner who's always ready to help. Instead of struggling alone with complex code, you describe what you want to build in normal words, and AI helps make it happen. It's perfect for when you have a great app idea but don't want to spend months learning every programming detail. It's designed to enhance developers' capabilities, not replace them. The [...]

Amazon S3 Metadata = Less Stress, More Insights

In today’s world, data is the backbone of every successful business and organization. As data grows exponentially, managing it can become a complex task. Amazon S3 (Simple Storage Service) has long been a go-to solution for storing massive amounts of data, but with that growth comes a challenge: how do you efficiently discover, manage, and analyze that data? A feature designed to simplify data discovery and make the management of massive datasets much more [...]

Cloud-9.1: Purchasing Your Domain with Amazon Route 53

Before you can showcase your skills online, you need a digital home, a domain name that makes your portfolio easy to find and uniquely yours! In the Cloud-9 Steps to Building Your Portfolio Website, our journey begins with purchasing a domain with Amazon Route 53, a powerful and seamless way to register and manage your website's address. What is a Domain? On the internet, a domain (or domain name) is the unique address of a [...]

Cloud-9: Create Your Portfolio Website with AWS

Have you ever felt like your resume doesn’t fully capture your potential? In the current competitive job market, a one- or two-page CV may not be sufficient to completely highlight your experience and abilities. So, what's the answer? A portfolio website! What is a Portfolio Website? A portfolio website is a digital resume that demonstrates your projects, skills, and achievements to possible clients, employers, or collaborators. It doesn't stop there; unlike standard plain-text resumes, [...]

Netflix Streaming Explained: How CDN Technology Ensures Lag-Free Global Viewing Introduction to Global Infrastructure part 1

Have you wondered how Netflix streaming delivers your favorite series in HD quality without buffering or lagging? The answer lies in advanced CDN technology or Content Delivery Networks, a critical element of today's global infrastructure. CDNs enable Netflix to optimize its global streaming performance, drastically reducing latency and providing seamless viewing experiences worldwide. Understanding Global Infrastructure with a Simple Analogy To understand how this works, let’s use a coffee shop analogy. Imagine a coffee [...]

Unleashing the Full Potential of AWS Lambda with Containers

AWS Lambda has revolutionized serverless computing by allowing developers to run code without the hassle of provisioning and managing servers. However, even though AWS Lambda functions are powerful, they still come with limitations that significantly impact scalability, dependency management, and runtime flexibility. In this guide, we will explore the following: The limitations of traditional AWS Lambda and how Lambda Containers solve these issues. AWS-provided optimized container images A step-by-step tutorial how to build Lambda [...]