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 [...]

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 [...]

Securing Application Logs with Amazon Comprehend

Security is one of the more overlooked aspects that many fall victim to when designing the architecture of applications. Partnering this lack of security priority with the increasing value of personal user data, security breaches become one of the certain ways for companies to lose user trust, face legal charges, and, in the long run, fail. Various governments developed data compliance laws to set minimum guidelines for security in data handling by data stakeholders. [...]

3 Ways to Fast Track your Cloud Career Journey this 2024

I usually have a countdown to the end of the year (even as early as the 1st quarter of the year) that acts as a timebox for me to track my goal progression or even catch up with the old aspirations until the earth completes yet another revolution around the sun. We may not accomplish 100% of our targets, but if we keep a positive disposition in life and persistently work on achieving [...]

Building a Simple Video Hosting Service using Amazon CloudFront, Amazon S3, and AWS Amplify

Application Use Case The primary purpose of this application is to share a video as a link and have it accessed by viewers with low latency. This feature is great for those who make quick videos, for example, a short demonstration on how to use an application or a group of academics sharing their explanations to mentor their peers. Overview of the Tech Stack Different video hosting websites cater to [...]

Machine Learning Mathematics: Regression Basics

In recent years, of the ever-evolving landscape of technology, a few of the most prominent buzzwords that continue to capture the imagination of innovators and entrepreneurs alike are Machine Learning (ML) and Artificial Intelligence (AI). With the boom of OpenAI’s ChatGPT last November 2023, as well as the many that followed suit, including major tech companies like Meta with their LLaMa model and Google’s PaLM and newly announced Gemini, ML and AI will most [...]

Release with a Pipeline: Continuous Delivery to AWS with GitHub Actions

This is the final part of a three-part article about a Web Application Project from building a private infrastructure to building a deployment pipeline using AWS’ cloud-native continuous delivery service AWS CodePipeline, and now finalizing the infrastructure to be accessible in a public domain and building a pipeline for continuous deployment using a third-party CD tool – GitHub Actions. From the private infrastructure previously built, we will update the S3 policy to add a statement [...]