Tech Blogs - Tutorials Dojo

Automating Publications with Claude, Canva, and n8n
Every business that runs a social media page knows the same repetitive cycle. Pick a topic. Write a caption. Design a graphic. Post it on schedule. Repeat tomorrow. Multiply that by every campaign, every seasonal push, every recurring content series, and it becomes a real operational cost, not just [...]
AI Ethics Explained: How to Use Artificial Intelligence Responsibly
Have you ever used ChatGPT to help explain a difficult topic? Maybe you've asked Gemini to summarize a lengthy article, generate ideas for a school project, write an email, or even use Claude for brainstorming concepts. If you're a student, you've probably wondered: "Is it okay to use AI [...]
Fine-tuning an LLM for natural Tagalog speech
If you're an ML engineer or a technical lead planning to pre-train a large language model (LLM) for Tagalog or Taglish, how do you start? In this article, we walk through the process of defining a target voice, building a data pipeline, running a QLoRA training experiment, and evaluating [...]
Building Diffender: A Serverless AI Security Reviewer for GitHub Pull Requests with Amazon Bedrock
A pull request can pass its tests, satisfy its acceptance criteria, and still expose a production credential in one line of code. Diffender is an Amazon Bedrock pull request reviewer built to identify that kind of risk before the change reaches the main branch. However, human review remains essential, [...]
AWS Certification Maintenance: Recertify Without an Exam
Many AWS-certified professionals face the same challenge every few years: preparing for another certification exam while balancing work, projects, and personal commitments. While certifications remain a valuable way to validate cloud expertise, the traditional recertification process can be time-consuming and stressful. To address this, AWS has introduced a new [...]
CCDV-F Claude Certified Developer Foundations Study Guide
Bookmarks CCDV-F Exam Domains CCDV-F Study Materials Claude Features to Focus On Key Exam Topics by Domain Important Skills Validate Your Readiness Final Remarks The Claude Certified Developer – Foundations (CCDV-F) certification is designed for technical professionals who build, [...]
CCAR-P Claude Certified Architect Professional Study Guide
Bookmarks CCAR-P Exam Domains CCAR-P Study Materials Claude Features to Focus On Key Exam Topics by Domain Important Skills Validate Your Readiness Final Remarks The Claude Certified Architect – Professional (CCAR-P) certification is designed for experienced professionals who build [...]
CCAO-F Claude Certified Associate Foundations Study Guide
Bookmarks CCAO-F Exam Domains CCAO-F Study Materials Claude Features to Focus On Key Exam Topics by Domain Important Skills Validate Your Readiness Final Remarks The Claude Certified Associate – Foundations (CCAO-F) certification is designed for professionals who use Claude [...]
CI/CD Crash Course: From Junior to Senior Developer
Continuous Integration and Continuous Delivery/Deployment (CI/CD) is the backbone of modern software teams. It's not just a buzzword for your resume — it's the automated pipeline that takes code from "it works on my machine" to "it works in production, reliably, every time." Understanding CI/CD deeply, not just using [...]
Everything You Need to Know About Harness Engineering
AI agents can now write code, browse the web, and run for hours without a human watching. Ask one to build a feature, and it might open ten files and call five tools. It can make a hundred small decisions before it ever shows you a result. That is [...]

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 working on something new and interesting without bidding your farewell to the “Hello World!”? Then this article will introduce a field that may interest you. [...]

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 Actions and BunJs to create a swift and efficient CI/CD pipeline for deployment on Amazon Simple Storage Service (S3) along with Amazon CloudFront. AWS Community [...]

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 modification can disrupt operations or mislead resource management, making timely alerts vital. This article will guide you through setting up automated Slack notifications to alert [...]

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 designed for high throughput, allowing an unlimited number of transactions per second while supporting at-least-once message delivery. Although standard queues don’t guarantee strict message ordering, [...]

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 the process of implementing AWS Console-to-Code to launch Amazon EC2, VPC, and RDS. What is AWS Console-to-Code? AWS Console-to-Code utilizes Amazon Q Developer to simplify the process of [...]

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 navigate to the storage of an application, we will see two options: one is to delete the app entirely, and the other one is to [...]

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 a powerful tool that collects metrics and logs from your EC2 instances and on-premises servers and centralizes them in Amazon CloudWatch. With centralized monitoring, teams [...]

Automated Slack Notifications for RI Coverage Across All AWS Regions

Efficient management of cloud resources is essential for maintaining a company's flexibility and cost-effectiveness. Reserved Instances (RIs) offer significant cost-saving opportunities, but to fully leverage its benefits, consistent monitoring and optimization are key. By automating Slack notifications for RI coverage, businesses can ensure teams stay informed and take timely action to maximize savings. This comprehensive article explores the advantages of integrating automated Slack notifications for RI coverage across all AWS regions, helping teams maintain [...]

Streamline Your Workflow: Automating User Email Retrieval in WordPress with AWS SSM and Lambda via Slack command

In today’s fast-paced digital environment, operational efficiency and security are important. This blog post explores a streamlined approach to retrieving user emails from specific IPs in WordPress using Slack Slash commands powered by AWS Systems Manager (SSM) and AWS Lambda. Automating this process significantly reduces the operational overhead associated with running SQL commands manually. Additionally, this method enhances security by allowing users who lack access to production environments to execute necessary scripts through Slack [...]

RI Utilization vs RI Coverage: Difference Between these Amazon EC2 Reserved Instance Metrics

The Amazon EC2 enables developers up to businesses to deploy their own applications with flexibility, high availability, and cost-efficiency as it removes the need to invest in physical hardwares or servers. From running applications, hosting websites, and managing databases, EC2 serves as the foundation for anything that is cloud-based. Talking about its cost-efficiency, there are different "Instance Purchasing Options" that you can choose from depending on your server requirements and also your financial capabilities. [...]