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 [...]

Building Serverless APIs with AWS API Gateway and AWS Lambda

Are you looking to create robust and scalable APIs without dealing with infrastructure management? In this article, we'll look at how to use AWS Lambda and AWS API Gateway to create serverless APIs. You may build APIs that automatically grow, are simple to manage, and offer a seamless user experience by using these services. Your APIs' front door is AWS API Gateway, and AWS Lambda handles the backend computation. Using this integration, you can [...]

Lightning-Fast Static Website with Amazon S3 and CloudFront with Origin Access Control (OAC)

Harnessing the power of Amazon S3 and CloudFront, with the added advantage of Origin Access Control (OAC), offers many benefits for hosting a static website. With Amazon S3's reliable and scalable storage, with CloudFront's global content delivery network, a website can provide lightning-fast access to users worldwide. Implementing OAC adds an essential layer of security that prevents direct access to the S3 bucket, mitigating potential security risks. OAC is also empowered with fine-grained control [...]

Redacting PIIs Using S3 Object Lambda

The Challenge Data privacy is a top priority for businesses, especially amid the rising global data regulations. One common challenge is ensuring sensitive data, like personally identifiable information (PII), remains protected when data is accessed or transferred. Imagine you have a bunch of employee profiles stored as CSV files in an S3 bucket. These profiles include sensitive information such as real names, social security numbers, and email addresses, along with non-sensitive data like job [...]

AWS Certified Cloud Practitioner CLF-C02 Sample Exam Questions

Here are 10 AWS Certified Cloud Practitioner CLF-C02 practice exam questions to help you gauge your readiness for the actual exam. Question 1 Which of the following channels shares a collection of offerings to help you achieve specific business outcomes related to enterprise cloud adoption through paid engagements in several specialty practice areas? AWS Enterprise Support Concierge Support AWS Professional Services AWS Technical Account Manager Correct Answer: 3 AWS Professional Services shares a [...]

NEW AWS Certified Cloud Practitioner CLF-C02 Exam Version in 2023

Heads up! After nearly six years since its pilot release, the AWS Certified Cloud Practitioner CLF-C01 exam is undergoing a long-awaited revamp. The AWS Training and Certification team is introducing a fresh and updated version of the exam, which, naturally, will be called the AWS Certified Cloud Practitioner CLF-C02 exam. The last date that you can take the CLF-C01 exam version is on September 18, 2023. Meanwhile, you can take the new AWS Certified [...]

Managing Non-EC2 Servers using AWS Systems Manager

Introduction AWS Systems Manager is like a Swiss army knife for your cloud infrastructure, bundling a wide range of features into a single service. You can use it to effectively manage not only your entire AWS ecosystem but also extends its capabilities to your on-premises infrastructure. Here's a quick rundown of what it offers: Operations Management: AWS Systems Manager collects and aggregates operational data, offering you insights for understanding your system's overall performance and [...]

Setting Up AWS Billing Alerts on Slack

Introduction Let's first get familiar with the AWS Cost Explorer. It's essentially a dedicated financial advisor for your AWS expenses, helping you make sense of where your spending goes. With an easy-to-use interface, AWS Cost Explorer provides detailed visual analytics of your past, present, and predicted AWS usage and costs. Why Slack for AWS bill? We've all been there, trying to stay on top of our monthly bills. AWS does provide budget alerts, [...]

Securing Your Repositories with AWS CodeGuru: How Machine Learning Can Improve Your Code Quality and Security

Ensuring code quality and security is of utmost importance in the ever-evolving field of software development. However, traditional code review practices can be time-consuming and prone to errors, often resulting in overlooked vulnerabilities. Fortunately, the combination of machine learning (ML) and cloud computing has given rise to innovative solutions like AWS CodeGuru, empowering developers to significantly improve code quality and security. This article explores the capabilities of AWS CodeGuru and how it utilizes ML [...]

Enhance Your Security Posture: Configure SNS Notifications for AWS Secrets Manager Rotation Events

In the ever-changing digital landscape, maintaining robust security measures is crucial for businesses utilizing cloud services like Amazon Web Services (AWS). As the significance of secure data storage grows, it becomes essential to prioritize the management and regular rotation of sensitive information. AWS Secret Manager offers a secure solution for storing and rotating secrets, and by configuring Amazon Simple Notification Service (SNS) notifications for Secrets Manager rotation events, organizations can enhance their security measures [...]

Azure 101: Azure Resource Manager and ARM Templates

Azure Resource Manager (ARM) is a game-changer for users managing resources in Microsoft's Azure cloud services platform. A unified management layer provides a consistent way to create, update, and delete resources within Azure. Before Azure resource deployment, Azure classic was the deployment model. In the old approach, managing a solution required individually tracking resources and deploying them manually or via scripted sequences. Deleting a solution also meant removing each resource separately. Applying and updating [...]