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 monolithic [...]
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… [...]

How to Set Up Slack Notifications for WordPress Admin Logins with IP Address Details

Keeping track of who logs into your WordPress site is important for maintaining security. If you're running a website, you want to be immediately alerted to any admin login activity, whether it's you or someone else. One of the most effective ways to accomplish this is to enable Slack notifications for WordPress admin logins. This way, you'll receive instant alerts directly in your Slack channel whenever someone logs into your WordPress admin dashboard. In [...]

Enabling the Account-Level Suppression List in Amazon SES

Amazon Simple Email Service (SES) is a powerful tool that enables businesses to send bulk and transactional emails to customers. It provides a reliable and scalable platform for sending marketing campaigns, transactional notifications, or customer communications. However, maintaining a good sender reputation and adhering to email regulations are critical for successful email delivery. To help manage email deliverability effectively, Amazon SES offers account-level suppression lists, which are a valuable feature. A suppression list is [...]

Email Sender Application with Amazon SES

Whether you’re part of a business or organization, sending out emails is crucial for connecting with people. More often than not, you’ll find yourself needing to send similar emails to a group and sometimes, they need to be dynamic. Yes, you can send out one email and just add everyone to the BCC but having a dynamic and more personalized email helps create a better connection between you and the recipient. This is a [...]

Digital Bridge of Connectivity: All about the Bifrost Cable System

As digital era progresses, the demand for a high-speed and stable internet connection grows. While we are already familiar with the medium of internet transmission such as standard cable, fiber optics, and through satellite, one medium that is often overlooked is the undersea cable. It is expected since unlike those that are visible everywhere, undersea cables are not as noticeable since… well, they are literally laid on the seabed. Although undersea cables are not [...]

Transferring an Amazon Route 53 Domain to Another AWS Account: Troubleshooting DNS Propagation

I recently transferred my domain to a different AWS account. However, despite waiting for the standard 24-48-hour DNS propagation period, I noticed the changes were not propagating as expected. In this article, we’ll delve into the steps I followed, potential pitfalls, and solutions to ensure a smooth domain transfer process. DNS propagation is the process of updating and reflecting changes made to your domain's DNS records across all DNS servers worldwide. When you make [...]

Understanding the Importance of Bastion Hosts in AWS

This short article will discuss what a bastion host is and its importance in your cloud architecture. We will also talk about its various use cases, relevance, and the related processes of setting it up in the AWS Cloud. What is a Bastion Host? A Bastion host, often called a jump server, is critical to securing cloud environments. It acts as an intermediary providing secure access to resources in a private subnet without exposing [...]

Creating a Custom HTML Editor in React

This article guides you through integrating a TinyMCE WYSIWYG text editor into a React application which focuses only on the Text Area that displays the HTML code alongside the TinyMCE Text Editor. It covers setting up TinyMCE, managing state, and ensuring real-time updates between the text editor and text area. Whether you’re building a CMS, a blog platform, or an internal tool, this will help in the content editing experience of your users. How [...]

AWS Community Day Philippines 2024

The AWS Community Day Philippines 2024 is an exciting event for tech enthusiasts taking place on September 21-22, 2024, at the Arthaland Century Pacific Tower in BGC, Taguig. Hosted by the AWS User Group Philippines (AWSUG PH), this event is sure to have lots of knowledge-sharing and networking opportunities. What is AWS User Group Philippines? AWS User Group Philippines (AWSUG PH) is a Philippine-based user group made up of working professionals who are [...]

Understanding Security Groups and Network Access Control Lists (NACLs) in AWS

Security within cloud environments is a critical consideration, and AWS offers robust tools to ensure that your cloud infrastructure remains secure. Two critical components in AWS for managing security are Security Groups and Network Access Control Lists (NACLs). These tools act as virtual firewalls, controlling the traffic that enters and exits your Virtual Private Cloud (VPC). While they serve similar purposes, they operate differently and are used in distinct scenarios to provide layered security. [...]

Path-Based Routing with Application Load Balancer (AWS ALB): Efficiently Directing Traffic Based on URL Paths

An Application Load Balancer enables you to set up a listener with rules that direct incoming requests to target groups based on the URL. This capability is unique to Application Load Balancers and is not offered by other load balancer types like Classic Load Balancer, Network Load Balancer, and Gateway Load Balancer. The path pattern rules only apply to the path of the URL and do not consider the URL's query parameters. Path-based routing [...]