Tech Blogs - Tutorials Dojo

Prevent EC2 Downtime: Setting Up Status Check Alarms to Auto-Reboot an 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… [...]
Mastering Cloud-Based Semantic Search: Advanced Cloud Search Architectures Made Easy
In today's AI-driven world, finding information based on meaning and context rather than exact keywords has become crucial. Good thing we now have vector search, enabling semantic search, personalized recommendations, image similarity, and more. However, building and managing vector search infrastructure can be complex. Fortunately, AWS offers zero-infrastructure managed [...]
Prevent Unforeseen Azure Costs: Setting Up Automated Slack Alerts for Your Subscription
Cloud computing gives companies access to cutting-edge services, flexibility, and scalability. Effective cost management, however, is one of the main challenges to cloud adoption. Despite Azure's robust offerings, businesses risk unexpectedly high costs if they don't have active monitoring. Image generated by Gemini This is where cost monitoring and automated [...]
Beginner’s Guide to Gamma – Let AI Build Your Presentations
Ever wish you could skip the boring parts of making slides and focus on your ideas? Instead, imagine jumping straight into expressing them clearly and beautifully without wrestling with layouts. Moreover, if you’ve ever felt stuck or simply want to save time building presentations, Gamma is the most beginner-friendly [...]
AWS Student Community Day 2025: Mega Manila at Jose Rizal University
AWS Student Community Day 2025: Mega Manila at JRU September 17, 2025 marked a milestone for student communities across Mega Manila. The José Rizal University (JRU) campus came alive with energy as it welcomed hundreds of students for AWS Student Community Day 2025, an annual gathering that empowers the [...]
Build a Simple Mood Journal App with Electron.js
As someone who has been interested in mini desktop applications, I decided to build my own mood journal app to track my daily thoughts and reflections. What better way to learn Electron than by creating something practical? In this tutorial, I will guide you through the process of building [...]
Tech Internships for Future Job Market Readiness in 2025
The tech job market in 2025 continues to expand at lightning speed, with new roles and technologies emerging almost every month. At the same time, competition for these positions grows more intense as thousands of graduates enter the workforce with similar academic qualifications. In this environment, a degree alone [...]
The Evolution of Wearable Technology: Shaping the Future of Work, Communication, and Health
Wearable technology has rapidly evolved, transforming everything from healthcare to communication. Today, wearables offer exciting opportunities, enabling a future where technology seamlessly integrates into our daily lives. Innovations, such as Meta's Ray-Ban smart glasses, are pushing the boundaries of wearable tech. However, the key question remains: how does wearable [...]
AWS Bedrock’s Intelligent Prompt Routing: Smarter AI for Everyone
When we interact with AI models, we often expect them to instantly understand our intent and give the right answer. But the truth is, not every model is designed for every type of task. Some are fast but shallow, others are detailed but resource-heavy. Here’s a question I always [...]

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 [...]

Validate Referrer Headers Using CloudFront Function

Amazon CloudFront, a content delivery network (CDN), lets you distribute content with low latency and high data transfer speeds. One of its many features is the ability to create CloudFront functions, which are lightweight functions that can manipulate HTTP requests and responses. This article will discuss creating a CloudFront function to validate Referrer headers. Referrer Headers Referrer headers are an essential part of HTTP requests, as they indicate the webpage's address linked to the [...]

My AWS Certified Data Engineer Associate DEA-C01 Exam Experience 2024

I recently took the actual exam of the AWS Certified Data Engineer - Associate DEA-C01 online. Interestingly, it has some resemblances with the exam content of the AWS Certified Data Analytics Specialty test, albeit not entirely the same in terms of depth. This new Associate-level exam aims to validate the skills and knowledge of IT Professionals in core data-related AWS services, such as the ability to implement data pipelines, perform cost optimization, troubleshoot data [...]

Building Data Pipelines with No-Code ETL Using AWS Glue Studio

Introduction Welcome to the dynamic world of AWS Data Engineering! This beginner-friendly guide introduces you to the essentials of data staging and transformation within the AWS ecosystem without needing to code. By exploring the foundational use of Amazon S3 and AWS Glue, this guide provides a practical starting point for understanding how AWS data is handled and processed. Whether you're aiming for certification or looking to apply these skills in practical scenarios, this guide [...]

Setting Up Development Environments with AWS Cloud9

Welcome to the world of AWS Cloud 9, where seamless development and collaboration meet in the cloud! Whether you're a seasoned developer or just starting your coding journey, Cloud 9 is here to revolutionize the way you build and deploy applications. Imagine having the power to write, run, and debug your code all within a browser-based integrated development environment (IDE). This powerful tool eliminates the need for complex local setups and ensures you can [...]

Amazon EC2 Reserved Instance Purchasing Option and its Different Payment Terms

In today's fast-paced digital era, businesses rely heavily on cloud computing services to manage their operations efficiently. When it comes to cloud computing, one of the key decisions involves choosing the right instance purchasing options. With various options available, it can be overwhelming to determine the most suitable approach. In this article, we will focus on Reserved Instance purchasing options, payment terms, and significance for business. By the end, you'll have a clear understanding [...]

My AWS Certified SYSOPS Administrator – Associate (SOA-C02) Exam Experience

I recently took and passed the AWS Certified SysOps Administrator Associate Exam and wanted to share my experience. This was a challenging yet rewarding journey, and I hope my insights will help those planning to take the same path. About the Exam The AWS Certified SysOps Administrator Associate ( SOA-C02 ) is consistently among the top paying IT certifications, considering that Amazon Web Services is the leading cloud services platform in the world with almost 50% market share! [...]

VPC Interface Endpoint vs. Gateway Endpoint in AWS

What is a VPC Endpoint? With a VPC endpoint, you can establish a private connection to specific AWS services and VPC endpoint services through AWS PrivateLink. It eliminates the need for public IP addresses for communication between these services and your Amazon VPC instances. Furthermore, a secure connection is maintained since no information leaves the Amazon network while traveling between your Amazon VPC and the service. VPC endpoints are virtual devices that enable communication [...]

Switching Your Spot EC2 Instance to a Reserved EC2 Instance

Amazon Elastic Compute Cloud (EC2) is a cloud computing service that instantly provides flexible and scalable resources to deploy virtual servers, called instances. While Spot Instances can save you a significant amount of money, especially for short-lived workloads, there may come a time when you need a more predictable pricing model. This is where Reserved Instances (RIs) come in handy. In this article, we'll explain the reasons for switching from a Spot Instance to [...]