Tech Blogs - Tutorials Dojo

The Economics of AI Infrastructure: Understanding AWS AI Factories
Artificial intelligence has shifted from being a software innovation challenge to becoming an infrastructure challenge. Organizations no longer struggle primarily with model design. Instead, organizations are increasingly challenged by compute density, energy consumption, networking scale, and operational complexity when deploying modern AI systems. As large-scale generative AI systems become [...]
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 [...]

How to Enable Slow Logging in PHP-FPM

In the dynamic field of online development, ensuring that PHP applications run smoothly is paramount, and performing its best is critical. In this article, we will discuss how to effectively identify and address issues that could impact system functionality and user experience, developers must excel in troubleshooting techniques. Logging plays an essential role in this process as it captures detailed information about the application’s behavior during its execution. By monitoring and analyzing these logs, [...]

Setting Up Real-Time Slack Notifications for Amazon EC2 and EBS Events: A Step-by-Step Guide

Overview Stay updated with your Amazon EC2 and EBS events directly through your Slack channel. This guide will walk you through the process of setting up a system that sends a Slack notification for the following events: Creation of an AMI: Notifies when an Amazon Machine Image (AMI) is being created from an EC2 instance. This is represented by the CreateImage event. Rebooting of an EC2 Instance: Alerts when an instance is undergoing a reboot. Stopping [...]

Harnessing Real-Time Slack Notifications for Amazon RDS Event Monitoring

Efficient management and monitoring of database instances are crucial for any business to ensure smooth performance. Amazon Relational Database Service (Amazon RDS) is a widely used solution for managing relational databases in the cloud. Staying informed about important events and changes within the database instances is a critical aspect of RDS management. Real-time notifications are vital to keep teams updated and responsive to these events. Slack is a popular platform for real-time notifications and seamless team communication and information sharing. Integrating Amazon RDS event notifications [...]

Basics of the Basics to AWS – Part 1: Computing

At the core of every application is computing power which is mostly in the form of a server but, do you know about Serverless computing and Microservices architecture? When it comes to building your cloud applications, it's certainly an advantage to know about servers and architecture. Welcome to part 1 of my 6-part series called Basics of the Basics to AWS where I introduce you to AWS by breaking it down into smaller digestible [...]

AWS Student Community Day Philippines 2024

April 17, 2024, a day filled with learning and curiosity. This prestigious event was held at the Polytechnic University of the Philippines, Bulwagang Balagtas. This event served as a guide for budding tech enthusiasts and students who want to learn and dive into the world of cloud computing with Amazon Web Services (AWS). Throughout the day, participants got to listen to inspiring and knowledge filled discussions each designed to deepen their understanding of AWS [...]

Basics of the Basics to AWS – Part 0: Where do we begin?

This 6-part series is inspired from a talk I gave on the AWS Student Community Day 2024 Philippines. Through this series, I will be teaching you the basics of AWS through a gimmick I call “Build an App with Me”. This gimmick will be about us trying to model an application’s system architecture through the use of AWS services. Through this gimmick, I aim to give you all a better understanding of when and [...]

AWS for Students, Exploring Cloud Solutions

AWS extends far beyond just Lambda functions, providing an extensive range of vital services for learning and skill development. Throughout this blog, we will explore how Amazon Web Services (AWS) can benefit students interested in cloud computing as we cover various AWS services and their practical applications, helping them effectively leverage the opportunities it presents for aspiring professionals in the field of cloud computing. Starting off with examining AWS storage solutions like Amazon S3, [...]

AZ-500 Microsoft Azure Security Engineer Associate Exam Study Path

Bookmarks Study Materials Azure Services to Focus On Validate Your Knowledge Final Remarks The AZ-500 Microsoft Azure Security Engineer Associate certification is designed for security engineers who are responsible for security posture, implementing security controls, managing identity and access, and protecting data, applications, and networks in cloud and hybrid environments as part of an end-to-end infrastructure. Similar to AZ-305, it's aimed at individuals with a strong understanding [...]

Utilizing Lambda Functions to Control Amazon EC2 Instances via Slack

Managing and controlling resources is crucial in the cloud computing environment. Amazon Web Services (AWS) offers various services, including Amazon Elastic Compute Cloud (EC2), which provides scalable computing capacity in the cloud. Alongside AWS services, communication and collaboration tools like Slack have become integral to modern workflows. This article explores how to seamlessly integrate AWS Lambda functions with Slack to enable users to invoke actions such as rebooting, stopping, and starting EC2 instances directly [...]

Enabling Virtual Deliverability Manager in Amazon Simple Email Service (Amazon SES)

Amazon Simple Email Service (SES) offers a cloud-based solution tailored for digital marketers and application developers aiming to distribute various emails, including marketing emails, notifications, and transaction-based communications. This service stands out for its reliability and cost-efficiency, making it an ideal choice for enterprises of varying sizes wishing to maintain consistent communication with their clientele. Amazon Simple Email Service (SES) addresses the intricate challenges associated with large-scale email dispatches by offering a suite of [...]