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 [...]

Reduce The Cost Of Your Lambda Functions With Event Filters (Part 1 of 2)

Problem statement You are primarily billed based on how long your Lambda functions run and how often it is invoked. This is why AWS Lambda is great for scheduled jobs, short-duration tasks, and event-based processes. But does this mean you shouldn’t use them for high-volume traffic applications? Well, the short answer is... it depends. Whether or not to use AWS Lambda for high-volume traffic workloads ultimately depends on the requirements of your application and [...]

SFTP On Your Ubuntu EC2 Instance – Quick and Simple Setup

SFTP, which stands for Secure File Transfer Protocol, is a method of transferring files between computers. It operates over SSH (Secure Shell) and uses public-key cryptography for authentication. This means that your login credentials and file transfers are encrypted, making them much more secure than the traditional FTP (File Transfer Protocol). Why SFTP over SCP? SFTP and Secure Copy Protocol (SCP) are both network protocols that you can use for transferring files. They also [...]

Automate Resources In Azure Using ARM Templates

Infrastructure as Code (IaC) is a method of running IT infrastructure that automates, configures, and manages systems and networks using scripts or code. It can work with a variety of file formats, including JSON and YAML. YAML (YAML Ain't Markup Language) is a data serialization format that is commonly used in Ansible, Kubernetes, and other tools. While JSON (JavaScript Object Notation) is a popular data interchange format that is frequently used in AWS CloudFormation, [...]

AWS Shared Responsibility Model

Cloud computing is changing the way businesses operate by providing scalable, pay-as-you-go infrastructure and services. The shared pool of configurable computing resources is made up of thousands of powerful physical servers located in data centers around the world and equipped with enterprise-grade processors capable of creating hundreds or even thousands of virtual machines for multiple customers. However, one of the primary concerns when migrating a private infrastructure to a public cloud service provider is [...]

Azure Storage Redundancy Options

What are the Azure Storage Redundancy Options? Azure storage redundancy options provide different levels of protection for data stored in Azure. These options ensure that data is available and retrievable in case of failure or data loss. There are several different types of consistency options available in Azure, each with its own features and benefits. Locally Redundant Storage (LRS) has the lowest level of consistency in Azure storage redundancies. The LRS option stores three [...]

Cloud Computing Service Types: IaaS vs PaaS vs SaaS

What is IaaS, PaaS, and SaaS? IaaS, PaaS, and SaaS are three types of cloud computing services provided by Microsoft Azure. Each model has its advantages that help customers meet their specific needs. Each type of cloud computing service, and deployment method, provides you with different levels of control, flexibility, and management. With traditional on-premises data centers, customers have complete control over the hardware, server, virtualization, and software deployed. Historically, this has led to [...]

Estimating Your Azure Monthly Usage

Estimating your monthly Azure usage can be a daunting task and may deter interested customers of Azure from ever using it, especially if you are new to cloud computing. Fortunately, Microsoft Azure provides a tool that allows us to estimate the monthly consumption of our potential workloads in Azure. With the Microsoft Azure Calculator, it's easy to figure out how much to spend on Azure each month. This article will discuss how to use [...]

Build Your Own Slack Commands with Lambda Function URL

What are Lambda Function URLs? In the past, calling a Lambda function over HTTP required a lot of setup and configuration with API Gateway. The process of setting up API resources and methods, and linking them to the appropriate Lambda function, can be overwhelming, especially for developers who are new to it. With the function URL feature of the AWS Lambda service, you can create a secure HTTPS endpoint dedicated to a Lambda function. [...]

Working With AWS CLI (AWS Command Line Interface)

What is AWS CLI? AWS Command Line Interface (CLI) is a tool used to manage and interact with AWS Services using the command line. Users more comfortable in the command line can leverage the AWS CLI as it offers the exact scope of functionality as the AWS Console. AWS CLI requires minimal configuration before you can use it. Installed it on your local machine running on Linux, Windows, and macOS. What is the [...]

Event-driven Transfer on Storage Transfer Service for Google Cloud Storage

Last January 7, 2023, Google Cloud announced a new capability for Storage Transfer Service (STS). Now, users can do an event-driven transfer quickly to a Cloud storage whenever there are changes to a source bucket. The event-driven transfer is an execution mode on Storage Transfer Service that allows transfer to a destination using the events from the source as triggers. Google Cloud claims that the transfer rate is near-real-time between the source and its [...]