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 [...]

Automatic SSH Key Pair Rotation via AWS Systems Manager Fleet Manager

Automatic SSH Key Pair Rotation via AWS Systems Manager Fleet Manager AWS Systems Manager has an extensive collection of features and capabilities to manage your AWS and hybrid systems. This service allows you to centralize operational data from various AWS services and automate manual tasks on both your on-premises and AWS resources. One of its capabilities is the AWS Systems Manager Fleet Manager, which provides a unified user interface experience to help organizations remotely [...]

Split-view DNS using Amazon Route 53

What is Amazon Route 53? Amazon Route 53 is a highly available and scalable Domain Name System (DNS) service. This allows you to do Split-view DNS or Split-horizon DNS implementation for your applications. It offers additional features that are not present from third-party domain registrars. Route 53 allows you to register domain names, route internet traffic to specific resources under your domain name using different routing policies and check the health status of your [...]

What’s New with the AWS Developer DVA-C02 Exam in 2023?

After almost 5 years since it was first released, the AWS Certified Developer Associate exam is finally getting revamped. The AWS Training and Certification team is launching a new version, with an exam code of DVA-C02, on February 28, 2023, making it the last of the three associate-level exams to receive a major overhaul. You can register for the new exam starting on January 31, 2023, or take the current DVA-C01 exam until February [...]

AWS Console Sign-In Options

In AWS, there are several ways to access and manage your organization's AWS resources, such as: AWS Management Console - a web-based user interface for creating and managing your AWS resources. AWS CLI - a command line interface that allows you to run scripts to control and automate multiple AWS services. AWS SDK - a software development kit containing a collection of libraries that developers can use to access AWS services. In this article, [...]

OpenAI’s ChatGPT vs Amazon Lex

What is ChatGPT? OpenAI’s ChatGPT is an improved version of the GPT3 (Generative Pre-trained Transformer, released in 2020) language model specifically designed to generate human-like text for chatbot applications. ChatGPT is trained on a large dataset of conversation transcripts and is able to generate appropriate responses to a wide range of inputs, including questions and prompts. ChatGPT uses a transformer architecture, which is a type of neural network designed for natural language processing tasks. [...]

AWS Certified Cloud Practitioner Exam Experience

The AWS Certified Cloud Practitioner exam is a popular certification for individuals looking to demonstrate their knowledge of the Amazon Web Services (AWS) cloud platform. This certification is suitable for individuals who are new to the AWS cloud and those who want to validate their understanding of the core AWS services and their use cases. The exam covers a wide range of topics, including the fundamentals of cloud computing, the AWS global infrastructure, the [...]

AWS re:Invent 2022 Announcements for AWS Machine Learning Engineers and Data Scientists

Every year, professionals all around the world attend the most transformative tech event — AWS re:Invent. Here, a LOT of new AWS services and capabilities are announced and discussed. In this post, we will focus on the major announcements relevant to data scientists and ML engineers! A Gentle Introduction to Amazon SageMaker The major announcements discussed in this post focus on SageMaker, so we will spend a paragraph or two quickly talking about the [...]

AWS re:Invent 2022 Highlights

If you’re new to AWS and haven’t heard of re:Invent, this is a global cloud community event where AWS announces new features and services. You also get to meet like-minded IT professionals who are eager to learn more about cloud computing. For November 28, 2022 - December 2, 2022, the biggest, most comprehensive, and the most vibrant event will be held again in Las Vegas. In this article, we’re going to take a look [...]

What is Prometheus?

What is Prometheus? Prometheus is an open-source system monitoring and alerting toolkit originally built at SoundCloud. This tool's primary function is to collect and store metrics as time series data. For example, suppose you have a running web application that is too slow. You can use Prometheus to determine the response time of a web server or the number of active connections/queries in a database. Features: Multi-dimensional data model with time series data identified [...]

What is Grafana?

What is Grafana? Grafana is an open-source analytics and interactive visualization web app. When connected to supported data sources, it displays charts, graphs, and alerts on the web. The product is described as a "complete observability stack,” which includes everything you need to interact with your data. How It Works To visualize and analyze data in a dashboard, you’ll need to set up the following: Server - produces the data that you want [...]