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 [...]

NEW AWS Certified Cloud Practitioner CLF-C02 Exam Version in 2023

Heads up! After nearly six years since its pilot release, the AWS Certified Cloud Practitioner CLF-C01 exam is undergoing a long-awaited revamp. The AWS Training and Certification team is introducing a fresh and updated version of the exam, which, naturally, will be called the AWS Certified Cloud Practitioner CLF-C02 exam. The last date that you can take the CLF-C01 exam version is on September 18, 2023. Meanwhile, you can take the new AWS Certified [...]

Managing Non-EC2 Servers using AWS Systems Manager

Introduction AWS Systems Manager is like a Swiss army knife for your cloud infrastructure, bundling a wide range of features into a single service. You can use it to effectively manage not only your entire AWS ecosystem but also extends its capabilities to your on-premises infrastructure. Here's a quick rundown of what it offers: Operations Management: AWS Systems Manager collects and aggregates operational data, offering you insights for understanding your system's overall performance and [...]

Setting Up AWS Billing Alerts on Slack

Introduction Let's first get familiar with the AWS Cost Explorer. It's essentially a dedicated financial advisor for your AWS expenses, helping you make sense of where your spending goes. With an easy-to-use interface, AWS Cost Explorer provides detailed visual analytics of your past, present, and predicted AWS usage and costs. Why Slack for AWS bill? We've all been there, trying to stay on top of our monthly bills. AWS does provide budget alerts, [...]

Securing Your Repositories with AWS CodeGuru: How Machine Learning Can Improve Your Code Quality and Security

Ensuring code quality and security is of utmost importance in the ever-evolving field of software development. However, traditional code review practices can be time-consuming and prone to errors, often resulting in overlooked vulnerabilities. Fortunately, the combination of machine learning (ML) and cloud computing has given rise to innovative solutions like AWS CodeGuru, empowering developers to significantly improve code quality and security. This article explores the capabilities of AWS CodeGuru and how it utilizes ML [...]

Enhance Your Security Posture: Configure SNS Notifications for AWS Secrets Manager Rotation Events

In the ever-changing digital landscape, maintaining robust security measures is crucial for businesses utilizing cloud services like Amazon Web Services (AWS). As the significance of secure data storage grows, it becomes essential to prioritize the management and regular rotation of sensitive information. AWS Secret Manager offers a secure solution for storing and rotating secrets, and by configuring Amazon Simple Notification Service (SNS) notifications for Secrets Manager rotation events, organizations can enhance their security measures [...]

Azure 101: Azure Resource Manager and ARM Templates

Azure Resource Manager (ARM) is a game-changer for users managing resources in Microsoft's Azure cloud services platform. A unified management layer provides a consistent way to create, update, and delete resources within Azure. Before Azure resource deployment, Azure classic was the deployment model. In the old approach, managing a solution required individually tracking resources and deploying them manually or via scripted sequences. Deleting a solution also meant removing each resource separately. Applying and updating [...]

Efficient Log Monitoring: Filter CloudWatch Logs with Metric Filters and Get SNS Notifications

Monitoring logs efficiently is essential in today's fast-paced and data-centric world, especially for cloud-based applications and services. Amazon Web Services (AWS) provides a robust solution called CloudWatch Logs, which enables centralized log monitoring, analysis, and management. One of the key functionalities of CloudWatch Logs is the ability to filter logs effectively using metric filters and receive notifications through Amazon Simple Notification Service (SNS). This combination empowers users to streamline log analysis, identify critical events, [...]

Adding Logs Insights Queries To Your CloudWatch Dashboard

Introduction Widgets are the building blocks of a CloudWatch dashboard. They come in various types that can help you interpret metrics in a way that's not only meaningful but also tailored to your specific needs. While they are typically used for visualizing metrics, widgets can also display the results of Logs Insights queries on your dashboard. Logs Insights queries as a checklist You can save Logs Insights queries to create a "troubleshooting checklist" for [...]

Cost Allocation Tags on Amazon S3 Buckets and Using AWS Cost Explorer

Amazon Simple Storage Service (Amazon S3) is one of the most popular cloud-based storage solutions by AWS. Amazon S3 offers flexibility for various applications and is widely used across multiple use cases as it offers durability, availability, and cost-effectiveness. It allows users to store, manage, and securely access petabyte-scale data from the AWS cloud. By default, Amazon Billing shows how much data and cost is incurred for the cumulative storage cost and usage of [...]

Automating Amazon GuardDuty Notifications through Email Alerts

Amazon GuardDuty is a powerful security tool that helps to detect suspicious activities and threats in your AWS environment. It uses intelligent threat detection and provides you with a detailed view of potential security issues across your AWS account. Amazon GuardDuty continuously monitors your AWS resources and generates findings based on various threat intelligence sources. This allows you to identify security vulnerabilities and take necessary actions to secure your environment. One of the key [...]