Tech Blogs - Tutorials Dojo

Understanding Your API: The API-verse
In this blog, I will guide you through understanding the various types of APIs. You'll learn about different API classifications you can use for your next project and when to implement each one. This high-level overview of API varieties will expand your knowledge and help you become well-versed in [...]
PartyRock: AI Python Code Checker for Tech Interview Simulation
Bookmarks What is Party Rock? AI Code Checker Tools Comparison UI Components of our PartyRock-based Python Code Checker Python Interview Topics Covered by the PartyRock app Use-cases and Applications of PartyRock-based Python Code Checker Hands-on Exercise: Getting Started with PartyRock Final Remarks [...]
Implementing IP Blocking and Unblocking Using AWS Lambda, Slack, and AWS Systems Manager
Blocking IP addresses is a crucial security measure for protecting an organization's infrastructure from various cyber threats, including DDoS attacks, brute-force login attempts, and unauthorized access. By blocking malicious or suspicious IPs, organizations can prevent system compromise, reduce unwanted traffic, and ensure that only trusted networks access critical resources. [...]
AWS in Bioinformatics: Biology, data, & the cloud
Marriage of biology and tech. With the current technological advancements, how about we throw in the cloud in the tech too? Just like... Bioinformatics in AWS HealthOmics. Yes, you read that right! Are you torn between the two and want to pursue them both? To sit in a laboratory [...]
Deploy a Next.js Static Site to AWS with GitHub Actions and Bunjs
At the AWS Community Day Philippines 2024, during the preparation for the event, the organizers assigned me the responsibility of setting up a Continuous Integration and Continuous Deployment (CI/CD) strategy for the website. Therefore, in this blog, I will explain the approach I took and how I utilized GitHub [...]
Setting up Slack notifications on Tag Modifications for EC2 Instances
Monitoring resource configurations in a dynamic cloud environment is important, especially in production. One essential aspect of managing AWS resources, such as Amazon EC2 instances, is tracking tag modifications. Tags are not just labels but vital in organizing resources, enabling billing allocation, and enforcing compliance policies. Any unintentional tag [...]
Introduction to Amazon SQS FIFO and Standard Queues
Amazon Simple Queue Service (SQS) is a fully managed message queuing service by AWS that allows distributed applications to communicate asynchronously, making it a critical tool for decoupling microservices and improving system resilience. SQS offers two types of queues tailored for different use cases: Standard Queues: These queues are [...]
AWS Console-to-Code: Seamlessly Transform Manual Actions into Reusable Code
Cloud computing today demands efficiency and automation like never before. AWS Console-to-Code is an innovative tool designed to bridge manual operations with automated infrastructure management. By transforming console actions into reusable Infrastructure-as-Code (IaC), this feature streamlines workflows, enhances consistency, and accelerates deployment processes. This article will guide you through [...]
Automate CloudFront Invalidation via Slack
In today's digital age where most people are using gadgets, we're likely familiar with the term "cache". Most of us first hear about cache when looking to free up storage or improve performance on our mobile devices especially for android users. If we look at our device's settings then [...]
Streamline Log Monitoring for Nginx with CloudWatch Agent
Monitoring the health and performance of your applications is essential for maintaining reliable operations, detecting issues, and troubleshooting efficiently. Monitoring logs can provide invaluable insights into server behavior, user activity, and error occurrences regarding web services. However, tracking logs across distributed systems can be challenging. Amazon CloudWatch Agent is [...]

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 [...]

How to Change an AWS ACM Certificate on Amazon CloudFront Distribution

Before diving into the steps on how to change an AWS ACM-generated SSL Certificate, it’s important to understand the basics and benefits of this service. Having a solid understanding will provide context for the actions we are about to take and help us appreciate the value AWS Certificate Manager (ACM) brings to the table. What is the AWS Certificate Manager (ACM)? AWS Certificate Manager (ACM) is a service designed to streamline the provisioning, management, [...]

Real-Time AWS Health Dashboard Updates via Slack Notifications

In an organization or for users that use cloud services, staying updated with the status and health of cloud services is crucial. It's not just about maintaining operational efficiency and minimizing downtime; it's also about peace of mind and ensuring a seamless experience for both the team and customers. The AWS Health Dashboard provides detailed information about the health of AWS services and resources. To ensure timely awareness of any issues or updates, integrating [...]

Automated RDS Snapshot Management for Improved Data Security

The Automated Daily RDS Export ensures that daily snapshots of Amazon RDS instances are created and made shareable. While RDS takes daily snapshots automatically, these are not shareable by default. To address this, we copy the snapshots and share the copies with a designated backup account. This process uses AWS Lambda Functions and Amazon EventBridge to automate the task. EventBridge triggers the Lambda function daily, which handles copying and sharing the snapshots. This automation [...]