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 [...]

AWS Lambda Response Streaming Demo

Introduction Response streaming is a new invocation method that enables your functions to progressively stream response payloads back to the clients. Instead of waiting for the entire data to be ready, your applications can now receive chunks of data as soon as they become available. This means faster loading times and a more responsive user experience. Response Streaming vs. Non-Streaming (Buffering) To quickly get an idea of how it works, we need to see [...]

CloudFront Function URL

Introduction CloudFront Functions is a feature of Amazon CloudFront that enables developers to deploy and run lightweight JavaScript functions at AWS’s global edge locations closer to the end-users. This functionality facilitates high scalability and low latency and simplifies operations by allowing developers to run code that customizes the content delivered through CloudFront. When to Use CloudFront Functions? CloudFront Functions is ideal for simple tasks requiring high request rates and low latency. These tasks can [...]

My SAA-C03 AWS Certified Solution Architect Associate Exam Experience 2023

Getting certified is an essential milestone for IT professionals for career advancement in today's competitive industry. The AWS Certified Solutions Architect - Associate (SAA-C03) is one such certification. In this article, I will share my SAA-C03 exam experience, highlighting my challenges, overcoming setbacks, and the lessons I learned, including the various SAA-C03 exam topics I encountered. Basically, the AWS Certified Solutions Architect - Associate certification test is an Associate-level exam of the AWS Global [...]

Building Serverless APIs with AWS API Gateway and AWS Lambda

Are you looking to create robust and scalable APIs without dealing with infrastructure management? In this article, we'll look at how to use AWS Lambda and AWS API Gateway to create serverless APIs. You may build APIs that automatically grow, are simple to manage, and offer a seamless user experience by using these services. Your APIs' front door is AWS API Gateway, and AWS Lambda handles the backend computation. Using this integration, you can [...]

Lightning-Fast Static Website with Amazon S3 and CloudFront with Origin Access Control (OAC)

Harnessing the power of Amazon S3 and CloudFront, with the added advantage of Origin Access Control (OAC), offers many benefits for hosting a static website. With Amazon S3's reliable and scalable storage, with CloudFront's global content delivery network, a website can provide lightning-fast access to users worldwide. Implementing OAC adds an essential layer of security that prevents direct access to the S3 bucket, mitigating potential security risks. OAC is also empowered with fine-grained control [...]

Redacting PIIs Using S3 Object Lambda

The Challenge Data privacy is a top priority for businesses, especially amid the rising global data regulations. One common challenge is ensuring sensitive data, like personally identifiable information (PII), remains protected when data is accessed or transferred. Imagine you have a bunch of employee profiles stored as CSV files in an S3 bucket. These profiles include sensitive information such as real names, social security numbers, and email addresses, along with non-sensitive data like job [...]

AWS Certified Cloud Practitioner CLF-C02 Sample Exam Questions

Here are 10 AWS Certified Cloud Practitioner CLF-C02 practice exam questions to help you gauge your readiness for the actual exam. Question 1 Which of the following channels shares a collection of offerings to help you achieve specific business outcomes related to enterprise cloud adoption through paid engagements in several specialty practice areas? AWS Enterprise Support Concierge Support AWS Professional Services AWS Technical Account Manager Correct Answer: 3 AWS Professional Services shares a [...]

NEW AWS Certified Cloud Practitioner CLF-C02 Exam Version in 2023

Heads up! After nearly six years since its pilot release, the AWS Certified Cloud Practitioner CLF-C01 exam is undergoing a long-awaited revamp. The AWS Training and Certification team is introducing a fresh and updated version of the exam, which, naturally, will be called the AWS Certified Cloud Practitioner CLF-C02 exam. The last date that you can take the CLF-C01 exam version is on September 18, 2023. Meanwhile, you can take the new AWS Certified [...]

Managing Non-EC2 Servers using AWS Systems Manager

Introduction AWS Systems Manager is like a Swiss army knife for your cloud infrastructure, bundling a wide range of features into a single service. You can use it to effectively manage not only your entire AWS ecosystem but also extends its capabilities to your on-premises infrastructure. Here's a quick rundown of what it offers: Operations Management: AWS Systems Manager collects and aggregates operational data, offering you insights for understanding your system's overall performance and [...]

Setting Up AWS Billing Alerts on Slack

Introduction Let's first get familiar with the AWS Cost Explorer. It's essentially a dedicated financial advisor for your AWS expenses, helping you make sense of where your spending goes. With an easy-to-use interface, AWS Cost Explorer provides detailed visual analytics of your past, present, and predicted AWS usage and costs. Why Slack for AWS bill? We've all been there, trying to stay on top of our monthly bills. AWS does provide budget alerts, [...]