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 [...]

Migrating from Universal Analytics to Google Analytics 4

You can observe how users interact with your websites and online products using Google Analytics, which tracks users across all your websites and apps. The data collected contains the web pages your customers access and their activities, which include taps, scrolls, purchases, and other consumer actions. Google Analytics 4 (GA4) has replaced the old Universal Analytics as of June 2023. This transition means that post-June 2023, you'll be using GA4 by default. Hence, it's [...]

Setting Up Redirects on Amazon S3 for a Custom Domain Registered with Amazon Route 53

This article will guide you on creating redirects on Amazon S3 for a website with a custom domain registered with Amazon Route 53. The following services will be used: Amazon Route 53 for domain registration and routing internet traffic, Amazon S3 for bucket creation, uploading a redirection script, configuring permissions for public access, and configuring the buckets for website hosting. In this example, we will redirect a custom domain registered with Amazon Route 53 [...]

Mastering AWS CDK Part 1: Using Built-In Constructs for Serverless APIs

In the realm of Infrastructure as Code (IaC) within AWS, CloudFormation stands out as the foundational service. Many other IaC solutions, whether it's the Serverless Framework, AWS SAM, or even Terraform, ultimately get translated into CloudFormation. Additionally, the AWS Cloud Development Kit (CDK) has emerged as a distinct player in this space. What sets AWS CDK apart is its embrace of familiar programming languages. Instead of relying on YAML or proprietary syntax, with AWS [...]

Cloud Native: The Future of Application Development

If you could do a quick search on the definition of cloud native, chances are you would be confused by the amount of different sources with varying definitions. The term "cloud native" has become a buzzword within the tech industry, symbolizing a paradigm shift in how software applications are designed, developed, and deployed. But what exactly does cloud native mean? The varying definitions of cloud native may be primarily because of its evolving definition [...]

Creating a Slack Notification for Redis Errors with Lambda Function and CloudWatch Logs Integration

As more companies turn to cloud solutions, monitoring and notification systems for errors are becoming increasingly crucial. Redis, an open-source, fast, in-memory key-value data store, is now a widely used solution for databases, cache, message brokers, and queues. However, like any software, Redis may experience errors that require immediate attention. This article will guide you through setting up an automated Slack Notification using Lambda Function and CloudWatch Logs Integration to receive real-time alerts when [...]

Introduction to Kubernetes

Containerization has set the gold standard for deploying applications on both on-premises and cloud environments. As microservices architecture becomes more popular, people increasingly embrace containerization because it naturally fits this architectural approach. Containerization brings many advantages: It guarantees portability. This technology's inherent isolation lets developers deploy their application code on various environments and operating systems without worrying about compatibility. It boosts scalability. Developers can deploy containers quickly and repeatedly. Unlike virtual machines, containers don't [...]

AWS Certified Data Engineer Associate Exam – DEA-C01 Study Path

Bookmarks AWS Certified Data Engineer Associate DEA-C01 Exam Domains AWS Certified Data Engineer Associate DEA-C01 Exam Topic Is taking the AWS Certified Data Engineer Associate DEA-C01 Beta Exam worth it? Learn about the AWS Certified Data Engineer Associate Exam Topics The AWS Certified Data Engineer - Associate (DEA-C01) certification exam evaluates a candidate's ability to implement data pipelines and address performance and cost issues while adhering to [...]

Route Analyzer vs. Reachability Analyzer vs. Network Access Analyzer

Introduction In network management and security, it is very important to understand how data flows within your network. Fortunately, AWS gave us three essential tools to help with this realm: Route Analyzers, Reachability Analyzers, and Network Accessibility Analyzers. Each of these tools has a unique purpose that we can use in dissecting and optimizing our network infrastructure. In this article, we will delve into the differences between these analyzers, their use cases briefly touch [...]

Navigating DNS Management: Unveiling Amazon Route 53 Inbound and Outbound Resolver Endpoints

The DNS, or Domain Name System, forms the backbone of internet communication, translating user-friendly domain names into IP addresses that computers use to locate resources online. Amazon Route 53 Resolver is a service provided by Amazon Web Services (AWS) that allows you to manage DNS (Domain Name System) resolution within your Amazon Virtual Private Cloud (VPC) and connect your VPC to on-premises networks. Amazon Route 53 Resolver enables DNS communication between resources within your [...]

Maximizing Startup Success: The Serverless Revolution

Even though the pandemic was largely perceived in a negative light, it led to the emergence of many groundbreaking tech startups. As layoffs, furloughs, and business shutdowns became commonplace, individuals turned to entrepreneurship, launching a multitude of small businesses. Data from the US Census Bureau indicates an impressive 24.3% surge in new business applications between 2019 and 2020, totaling 4.5 million by the end of 2020. Thanks to the convergence of readily available technology, [...]