Tech Blogs - Tutorials Dojo

AWS Certified Generative AI Developer Professional Study Path
AWS has just unveiled the newest AWS Certified Generative AI Developer – Professional certification. This important credential is for developers and AI professionals who want to advance their careers by building, deploying, and improving high-quality generative AI applications on AWS. This certification confirms your skills in using foundation models [...]
Don’t Struggle with Kaggle: Build your First Data Science Project!
Are you a beginner wanting to start your very first data science or machine learning project, but don’t have the right hardware or enough storage capacity? Well, Kaggle is the perfect platform to start your journey! What is Kaggle? Kaggle is a powerful web-based platform that provides opportunities for [...]
Tech Burnout: Is It Really Inevitable?
What if the dream job, the one you've always been dreaming of and manifesting ever since, is quietly draining the life out of you? This exhaustion is a known feeling in the tech industry, where the relentless pressure forces professionals and students to push until they hit a wall. [...]
Rise of Microservices in Modern Apps: From One Block to Many
Have you ever thought about the pain of fixing just one small piece of a massive software system without accidentally breaking everything else? Honestly, most of the time, that is almost impossible. That challenge led to the rise of microservices in modern apps. It marked a shift from old [...]
High-Performing ≠ Massive: The Rise and Progression of Small Language Models (SLMs)
Have you ever needed to find a new charger for your device, only to discover that its voltage wasn’t compatible, causing it not to work or even risking damage? Without checking the actual needs of your device, you’ve probably thought that you could go with what the seller recommends [...]
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 [...]
The Future Is Containerized: Why Every Cloud Engineer Should Care About Docker in 2025
In 2025, software development is moving faster than ever. Businesses demand speed, reliability, and scalability. Cloud infrastructure is no longer optional — it’s the backbone of modern applications, powering everything from streaming platforms like Netflix to AI-driven fintech solutions. In this fast-paced environment, one technology has emerged as a [...]
Chips & Brains: The Psychology of Human-AI Decision Making
Your smartphone just recommended the perfect restaurant, your GPS avoided traffic seamlessly, and your bank approved a loan in seconds—all without human intervention. The speed at which AI operates is awe-inspiring. Yet when the same AI suggests a medical treatment or hiring decision, we suddenly hesitate. This contradiction reveals [...]
Prevent EC2 Downtime: Setting Up Status Check Alarms to Auto-Reboot an Amazon EC2 Instance
When you’re running a production website on an EC2 instance, the last thing you want is for it to unexpectedly go down while you’re focused on other tasks. Without the right monitoring in place, you might not even realize your site has been offline for a while, and repeated [...]
Securing Your Website in Containerized Applications: A Step-by-Step Guide to Setting-up HTTPS
So, you have just deployed your first app to the cloud (maybe you have followed the tutorial that we have for deployment insert link here), it’s running great, you have your users now, but then you noticed that little “Not Secure” warning in the browser. Suddenly, your app looks… [...]

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 [...]