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 [...]

Cloud-9: Create Your Portfolio Website with AWS

Have you ever felt like your resume doesn’t fully capture your potential? In the current competitive job market, a one- or two-page CV may not be sufficient to completely highlight your experience and abilities. So, what's the answer? A portfolio website! What is a Portfolio Website? A portfolio website is a digital resume that demonstrates your projects, skills, and achievements to possible clients, employers, or collaborators. It doesn't stop there; unlike standard plain-text resumes, [...]

Netflix Streaming Explained: How CDN Technology Ensures Lag-Free Global Viewing Introduction to Global Infrastructure part 1

Have you wondered how Netflix streaming delivers your favorite series in HD quality without buffering or lagging? The answer lies in advanced CDN technology or Content Delivery Networks, a critical element of today's global infrastructure. CDNs enable Netflix to optimize its global streaming performance, drastically reducing latency and providing seamless viewing experiences worldwide. Understanding Global Infrastructure with a Simple Analogy To understand how this works, let’s use a coffee shop analogy. Imagine a coffee [...]

Unleashing the Full Potential of AWS Lambda with Containers

AWS Lambda has revolutionized serverless computing by allowing developers to run code without the hassle of provisioning and managing servers. However, even though AWS Lambda functions are powerful, they still come with limitations that significantly impact scalability, dependency management, and runtime flexibility. In this guide, we will explore the following: The limitations of traditional AWS Lambda and how Lambda Containers solve these issues. AWS-provided optimized container images A step-by-step tutorial how to build Lambda [...]

Guarding the Genome: Ensuring Security Compliance for Genomic Data on AWS

Introduction “Guard”? You’ve read the title and probably thought to yourself, “This sounds serious..." If you have read the previous articles related to bioinformatics in AWS, you know we are dealing with biological data. If you haven't, you can check them out here as well. Due to the innovation of current technologies (AWS being one of them), there is also a rising need to ensure that these technologies comply with laws relating to privacy [...]

Streamline your SageMaker Environments using Terraform

Bookmarks Advantages of using Terraform in SageMaker AI Disadvantages of using Terraform in SageMaker AI Solution Overview Solution The high-level steps to implement this solution with Terraform Pre-requisites for provisioning SageMaker AI Studio with Terraform Create the S3 Bucket and DynamoDB for Remote State Let's implement the Terraform Project Structure for your SageMaker AI Make the required IAM Resources. Put in place Storage Resources [...]

Maximizing ROI: Analyzing Google Ads Spend vs. Sales Performance

In digital marketing, every spent on advertising should contribute to measurable growth. But how do you determine if your Google Ads investment is truly delivering results? Businesses can assess the direct relationship between ad spend and conversions by analyzing key data from Google Ads and Google Analytics. This blog will explore how to justify an increase in Google Ads expenditure by reviewing sales performance and helping you make data-driven decisions to optimize your advertising [...]

Pushing Application Logs from Amazon Lightsail to Amazon CloudWatch: A Step-by-Step Guide

In my previous article, I mentioned how you can use your application logs hosted on an Amazon Lightsail instance to create a subscription filter in Amazon CloudWatch. But have you ever wondered how to push your application logs from your Lightsail instance to CloudWatch? Unlike in the EC2 instance, which allows you to easily modify the IAM role and attach the CloudWatchAgentServerPolicy, Amazon Lightsail lacks this capability in its default configuration. Pushing application logs [...]

How to Automate Storage and Memory Space Monitoring in Amazon EC2 with CloudWatch and Slack

Managing resources effectively is crucial when operating in the cloud. One important aspect of managing Amazon EC2 instances is monitoring storage and memory usage. Storage space, primarily driven by Amazon Elastic Block Store (EBS), and memory (RAM) are two critical resources that need constant monitoring to avoid performance degradation and optimize costs. Fortunately, with Amazon CloudWatch and Slack, you can automate monitoring these resources and get notified when thresholds are crossed. This blog will [...]

Website Down? How to Manually Increase Amazon EBS Volume Size and Get Back Online Fast!

It was a regular day, and everything was running smoothly—customers were browsing your website, orders were coming in, and business was booming. The server was handling traffic efficiently, and everything seemed to be operating as expected. But then, disaster struck—your website suddenly crashed. Panic set in as you scrambled to find out what had happened. Was it a DDoS attack? A misconfiguration? A sudden surge in traffic? You immediately logged into the AWS Management [...]

Seamless Monitoring: Get Slack Alerts for Every AWS Lambda Function Update

Keeping track of updates in your AWS Lambda function seems like an easy task, but it is actually time-consuming. Leaving your Lambda function unattended after deployment may incur risks in missing crucial updates that may affect its overall performance and functionality. And most of the time, you also do development tasks which might limit your attention to these Lambda functions. That's why you must be informed whenever an update is made to your Lambda [...]