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 [...]

Solving HTTP 500 Errors by Increasing File Descriptor Limits

When it comes to web hosting and server management, facing HTTP 500 errors can be a challenging obstacle. Such errors frequently arise from file descriptor limits, which restrict the server's capacity to manage incoming requests efficiently. However, by understanding how to expand these limits, you can reduce the occurrence of HTTP 500 errors and guarantee more seamless operations for your web applications. Raising file descriptor limits helps fix HTTP 500 errors by enabling servers [...]

Exploring C++ with AWS Lambda Custom Runtime

AWS Lambda is a great service for running code without worrying about server management. While it traditionally supports languages like Python, Node.js, and Java, AWS now allows you to run code in any language using custom runtimes. In this blog post, I'll walk you through setting up a C++ Lambda function that calculates the Fibonacci series. We'll leverage the performance and efficiency of C++ to build a function that runs smoothly and showcases the [...]

Automating Slack Notification for Route 53 TTL Changes

Automating a Slack notification system for Route 53 with a 60-second TTL is intended to provide real-time alerts about DNS records with short TTLs. This setup ensures administrators receive quick notifications via Slack, enabling them to promptly identify and resolve potential issues. Through this proactive measure, the optimal performance and reliability of the AWS infrastructure are maintained. Moreover, this approach allows administrators to avoid potential problems by taking corrective actions promptly and minimizing any [...]

Daily AMI Export: Enhancing Backup and Recovery

Daily automation of Amazon Machine Image (AMI) export is vital for keeping IT systems strong and dependable. This process ensures that the latest version of your system's setup is always saved. If something goes wrong, like a system crash, having these up-to-date backups means you can quickly get things back up and running. Additionally, it makes it easier to grow or move your systems because you have readily available copies of machine images. By [...]

AWS Certified Machine Learning Engineer Associate MLA-C01 BETA Exam Guide

The AWS Training and Certification team recently released the new AWS Certified Machine Learning Engineer Associate MLA-C01 exam along with the AWS Certified AI Practitioner AIF-C01 test this June 2024. This new role-based, Associate-level AWS certification exam will allow you to validate your machine learning skills to your current or future employer as well as improve your AI know-how in relation to AWS. You can be among the first-ever batch of IT professionals [...]

New AWS Certified AI Practitioner AIF-C01 BETA Exam Guide

Do you always sharpen your competitive edge in the highly competitive IT industry? Are you planning to position yourself for career growth and reach greater remuneration? Generative AI has been making waves in almost every aspect of the economy and job market to the point that the skills you have today could be worth less, or even worth absolutely nothing by nascent AI-powered tools from OpenAI's ChatGPT, Meta's LLaMa, Google's Gemini and the suite [...]

Setting Up Slack Notifications for AWS Budget Alerts

Introduction Managing cloud costs effectively is crucial for businesses. AWS provides a feature to set budget alerts that notify you when your costs exceed a certain threshold. While these alerts can be sent via email, they can sometimes get lost in the flurry of daily emails, leading to delayed responses. This is where real-time Slack notifications for AWS budget alerts come into play. By integrating AWS budget alerts with Slack, these notifications are sent [...]

Understanding and Managing AWS Lambda Recursive Loop Invocations

Introduction AWS Lambda is a serverless computing service that allows developers to run code without provisioning or managing servers. It automatically scales applications by running code in response to events and only charges for the compute time used. This makes AWS Lambda an ideal choice for building scalable and cost-effective applications. However, one challenge that developers might encounter is recursive loop invocations. This occurs when a Lambda function inadvertently triggers itself, leading to a [...]

Basic Authentication with AWS Rekognition

In this day of technology, it feels like every application has an AI/ML feature built into it, be it home appliances or accessories, chatbots in websites, or even watches. Not having a feature that uses AI or ML in your application feels like you're getting left behind, and it's very beneficial for users. But building an ML/AI feature from the ground up is no easy task, and it takes time and effort to add [...]

Managing AWS Resources from Slack with Slash Commands

Slack is a crucial application for most businesses. It allows the people working within to seamlessly communicate with one another. Slack offers a lot of features such as channels for text communication, huddles for group calls, canvas for a synchronized knowledge base, and more. As businesses or professionals in the tech industry, you'd be glad to know that Slack also supports app integrations, allowing you to bring your technical workflow right into your channels [...]