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 [...]

Distributed Data Parallel Training with TensorFlow and Amazon SageMaker Distributed Training Library

Introduction In the realm of machine learning, the ability to train models effectively and efficiently stands as a cornerstone of success. As datasets grow exponentially and models become more complex, traditional single-node training methods increasingly fall short. This is where distributed training enters the picture, offering a scalable solution to this growing challenge. Distributed Training Overview Distributed training is a technique used to train machine learning models on large datasets more efficiently. By splitting [...]

Securing Machine Learning Pipelines: Best Practices in Amazon SageMaker

Introduction In today's digital era, the importance of security in machine learning (ML) pipelines cannot be overstated. As ML systems increasingly become integral to business operations and decision-making, ensuring the integrity and security of these systems is paramount. A breach or a flaw in an ML pipeline can lead to compromised data, erroneous decision-making, and potentially catastrophic consequences for businesses and individuals alike. This section will delve into why securing ML pipelines is crucial, [...]

HTTP Flood Attack Notification using AWS Lambda, Amazon EventBridge and CloudWatch Logs Insights

We can almost do everything now on the website. Selling clothes, ordering food, video posting, doing business meetings, online classes, and others, you name it. Running a website is very awesome and at the same time hard, especially when bad actors want to mess with it. One sneaky way is an "HTTP Flood Attack," where your website gets bombarded with too many requests. This can slow down or even break your site. Detecting and responding [...]

Training an Image Classification Model with TensorFlow in Amazon SageMaker

Introduction In today's digital age, where data is as vital as currency, the power of Machine Learning (ML) in transforming industries is undeniable. From self-driving cars to personalized medicine, ML models are at the heart of many technological breakthroughs. Among the various tools and frameworks available for ML, TensorFlow has emerged as a leader, renowned for its versatility and scalability. This article aims to demystify the process of training an Image Classification model using [...]

NEW Product Release: All-in-Access: Courses + PlayCloud Sandbox (AWS) & Play Sandbox (AWS)

Brace yourselves for a journey into the cutting-edge realms of tech and education! We're thrilled to announce not one but two incredible products designed to supercharge your learning experience and bring your skills to new heights! 🚀 Get ready to dive into innovation with our super-focused PlayCloud Sandbox (AWS) and All-in-Access: Courses + PlayCloud Sandbox (AWS). Let's explore why these releases are set to revolutionize your learning journey. PlayCloud Sandbox (AWS) The PlayCloud Sandbox is a [...]

Building a Deployment Pipeline for a React Application with AWS CodePipeline

This is the second part of a series of blogs about the platform management of a React Application infrastructure by adding a continuous deployment component to the earlier infrastructure. In an earlier article, I wrote about how a private react application infrastructure can be deployed with Terraform code. Now, we will explore this further by building a deployment pipeline using AWS CodePipeline. Let's assume that the source code of the React web application is [...]

Train and Deploy a Scikit-Learn Model in Amazon SageMaker

Introduction In the ever-evolving world of machine learning (ML), the ability to efficiently train and deploy models is crucial for turning innovative ideas into real-world applications. This is where Amazon SageMaker, a fully managed service that provides every developer and data scientist with the ability to build, train, and deploy machine learning models quickly, stands out. Amazon SageMaker streamlines the machine learning workflow, offering a broad set of capabilities that are designed to enable [...]

Securing LLMs with Guardrails for Amazon Bedrock

One of the pillars of the AWS Well-Architected Framework is security. It is a foundational concept when running your workloads in the cloud to think about privacy, access limits, compliance with regulatory requirements, and data protection; and this includes Amazon Bedrock. Along with several AI announcements during the keynote of AWS CEO, Adam Selipsky during AWS re:Invent 2023 was Guardrails for Amazon Bedrock. As AI technology evolves and becomes more mature, it makes sense [...]

Building a Private React Application Infrastructure with Terraform

This is the first part of a series of blogs about the platform management of a React Application infrastructure using Terraform. In the early phases of a software development project, it is mandatory to have the application reviewed by security way before the Beta release to ensure that the app adheres to the standards of a secure web application and is able to protect the sensitive data it handles. Most of the time, DevOps [...]

How to Install and Configure PHP OpCache with Web Viewer on Ubuntu 20.04

The performance of your PHP applications can be significantly enhanced by using OpCache, a PHP opcode cache. OpCache reduces the need to recompile your PHP scripts on each request by storing the generated bytecode in memory, resulting in quicker execution rates and lessened server load. Image retrieved from https://www.pinterest.ph/pin/flash-running-poster-custom-posters-design-your-own-wall-art-create-personalized-prints--792281759458556733/ This article will walk you through installing and configuring PHP OpCache with Web Viewer on Ubuntu 20.04. Install OpCache Install the Nginx, PHP, and additional [...]