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 [...]

What’s New in AWS Certified Security Specialty SCS-C03 Exam in 2025-2026?

The AWS Certified Security Specialty exam, last updated on July 11, 2023, is set to undergo another official update. The AWS Training and Certification team is releasing a new version, with an exam code of SCS-C03, available on December 02, 2025. You can register for the latest updated SCS-C03 Certified Security Specialty exam as early as November 18, 2025. Take note that the last day that you can take the soon-to-be decommissioned SCS-C02 exam [...]

Document Embeddings Explained: A Guide for Beginners

Every day, billions of lines of text, emails, articles, and messages are created online. Making sense of all this unstructured data is one of the toughest challenges in modern AI. Document embedding is a fundamental concept that overcomes this problem. These are dense, numerical vectors that transform words, sentences, or entire documents into meaningful points in a high-dimensional space. These vectors capture the meaning and context of the original text. Because of this, machine [...]

AWS Certified Generative AI Developer Professional Certification AIP-C01 Exam Guide and AIP-C01 Exam Topics List

Recently, the AWS Certification team released its 3rd Professional level certification on November 2025 named AWS Certified Generative AI Developer Professional with an exam code of AIP-C01. This completes its trifecta of AI-related certifications, starting from the AIF-C01 AWS Certified AI Practitioner and MLA-C01 AWS Certified Machine Learning Engineer Associate exams. As new technologies emerged from the rapid adoption of Generative AI (GenAI) technologies, this brand new GenAI Developer from AWS helps organizations filter [...]

Mastering AWS Made Easy: A Beginner’s Guide to the Knowledge MCP Server

Let’s be honest, keeping up with AWS feels like chasing a moving target. One minute you’ve mastered EC2 and Lambda, and the next, there’s a new service, multiple updates, and several ways to configure the same feature. For developers and architects exploring AI integrations, that learning curve becomes even steeper. AWS offers massive amounts of documentation enough to fill a library but finding what you actually need, like the right API reference or regional [...]

How Model Context Protocol (MCP) Servers Powered Modern Large Language Models (LLMs)

In today’s fast-growing world of artificial intelligence, Large Language Models (LLMs) like GPT, Claude, and Grok are becoming critical to digital transformation. These models can write human-like text, understand complex questions, and even automate business tasks. As LLMs became smarter, they faced a major problem: managing context. Early versions struggled to maintain consistent conversations, use real-time data, and handle large workloads. To solve this, Model Context Protocol (MCP) Servers were introduced. They help LLMs [...]

Building an Amazon Nova AI Chatbot Using Bedrock

If you ever want to build your own AI chatbot on Amazon, this guide will show you how. You’ll create a working, serverless chatbot powered by Amazon Bedrock Nova, one of the easiest ways to try foundation models on Amazon. The setup is simple, fully managed, and does not require hosting your own model or dealing with complex infrastructure. We’ll use Amazon Bedrock, AWS’s service for running and managing foundation models. It gives you [...]

Crowd Detection: How AI Predicts Busy Areas

You might use Google Maps in your daily commute, but have you ever wondered how it provides real-time traffic data? Or how it highlights the busiest areas and even the popular times for a business? To achieve this, Google powers these features with large-scale analysis and crowdsourcing from our smartphone location data. Subsequently, an artificial intelligence (AI) application is used to also predict crowd levels in the coming hours and days, instead of being [...]

Terraform vs AWS CloudFormation: Which Is Better for Building Serverless Applications?

Serverless applications feel effortless — until you try to scale. You might start with a single AWS Lambda function. Soon, you add API Gateway endpoints, DynamoDB tables, S3 triggers, SNS notifications, and maybe Step Functions to orchestrate your workflow. Before long, your AWS console looks like a maze, and manual management becomes nearly impossible. Serverless doesn’t mean there are no servers. It means you don’t manage them. AWS handles provisioning, scaling, and maintenance while [...]

Microsoft Unveils the NEW Agentic AI Business Solutions Architect Certification (AB-100 beta)

As artificial intelligence (AI) continues to reshape industries rapidly, the demand for professionals who can design, implement, and manage autonomous AI systems that deliver real business value is skyrocketing. In response to this evolving landscape, Microsoft has introduced a groundbreaking new certification: Microsoft Certified: Agentic AI Business Solutions Architect (AB-100). This certification validates the skills and knowledge required by architects and technical specialists to design responsible, scalable, and innovative AI solutions. It emphasizes the [...]

Data Preprocessing Guide for Beginners in ML

Before machine learning (ML) models can generate predictions or insights, the raw data must first be cleaned, organized, and transformed into a suitable format for the model. This process is known as data preprocessing. It is the foundation of every successful ML project. It ensures that the model learns from high-quality, consistent, and well-structured input rather than noisy, incomplete, or biased information. In this hands-on guide, we’ll walk through how to transform a raw [...]