Tech Blogs - Tutorials Dojo

Detect Report React Rethinking the Manual Incident Response Playbook
In June 2026, nineteen Philippine government websites, including those of the Senate, the House of Representatives, and the National Bureau of Investigation, were defaced within a single week by a hacktivist group calling itself "Nullsec Philippines." By the time the Department of Information and Communications Technology (DICT) issued its [...]
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 [...]

Google Cloud Identity and Access Management (IAM)

Bookmarks Features Roles Service Accounts Policy Groups Best Practices Validate Your Knowledge Google Cloud IAM Cheat Sheet Create and manage permissions for your Google Cloud resources with Identity Access Management (IAM). Provides a unified view into your organization’s security policy with built-in auditing to ease compliance purposes. Features Lets you authorize who can take specific actions on resources to give you full control [...]

Google Virtual Private Cloud

Bookmarks Key Concepts Network and Subnets Configuring IP Addresses Firewall Rules Routes Special Routing Paths Communications and access for APP Engine Connecting VPC Networks Pricing Validate Your Knowledge Google Virtual Private Cloud Cheat Sheet You can create and manage your own virtual topology network where you can launch your Google Cloud resources using Google Virtual Private Cloud (VPC). Google VPC is [...]

Google Cloud Load Balancing

Google Cloud Load Balancing Cheat Sheet Google Cloud Load Balancing allows you to put your resources behind a single IP address. Features Can be set to be available externally or internally with your Virtual Private Network (VPC). HTTP(S) load balancing can balance HTTP and HTTPS traffic across multiple backend instances, across multiple regions. Enable Cloud CDN for HTTP(S) load balancing to optimize application delivery for your users with a single checkbox. You can [...]

Google Cloud Pub/Sub

Bookmarks Features Key Concepts Publisher-subscriber relationships Pricing Validate Your Knowledge Google Cloud Pub/Sub Cheat Sheet Cloud Pub/Sub is a fully-managed real-time messaging service for event driven systems that allows you to send and receive messages between independent applications. Features Capable of global message routing to simplify multi-region systems. Synchronous, cross-zone message replication and per-message receipt tracking ensure at-least-once delivery at any scale. Pub/Sub delivers each message [...]

Google Cloud SQL

Google Cloud SQL Cheat Sheet A fully managed relational database service. Cloud SQL is available for: MySQL PostgreSQL SQL Server Features Scale instantly with a single API call as your data grows. Automated and on-demand backups are available. You can restore your database instance to its state at an earlier point in time by enabling binary logging. Data replication between multiple zones with automatic failover. Enterprise and Enterprise Plus editions: Enterprise Plus offers higher [...]

Google Kubernetes Engine (GKE)

Bookmarks Features Kubernetes Cluster Architecture Kubernetes API Objects GKE Sandbox Pricing Validate Your Knowledge Google Kubernetes Engine Cheat Sheet Secured and managed Kubernetes services with auto-scaling and multi-cluster support Features Can be configured to automatically scale node pool and clusters across multiple node pools based on changing workload requirements. Auto-repair can be enabled to do health checks on node Choose clusters tailored to your requirements [...]

Google Compute Engine (GCE)

Bookmarks Configurations Instance Templates Instance Groups Managing access to your instances Backing up your instance Sole Tenant Nodes Preemptible Instances Shielded Instances Instance Life Cycle GCP Marketplace Live Migration Pricing Validate Your Knowledge Google Compute Engine Cheat Sheet Linux-based and Windows-based virtual machines Each instance you create belongs to a project A project can have one or more [...]

Google Cloud Platform Overview

Google Cloud Platform Cheat Sheet The Google Cloud Platform is the infrastructure that powers the Google products you are familiar with including Gmail, Search, and Google Photos. In April of 2008, Google announced its first service called App Engine, a cloud compute service for developing and hosting web applications in Google-managed data centers. Since then, Google has evolved and added more cloud services to its platform. GCP lets developers build and host applications and [...]

Lifecycle Event Hooks in CodeDeploy

Bookmarks Events Things To Consider In biology, life cycle refers to the series of stages or events that occur during an organism’s lifetime. Lifecycle also applies when automating software deployment on AWS CodeDeploy. Lifecycle event hooks refer to the series of events that describes how a deployment is accomplished. It allows you to control or perform actions on different stages of your deployment. In the traditional way, whenever you [...]

Amazon EBS Multi-Attach

Amazon Elastic Block Store or EBS is a durable block-based storage device that can be attached to your EC2 instance. AWS released a feature called Multi-Attach, which allows EC2 instances to share a single EBS volume for up to 16 instances and provide higher availability of your applications for Linux workloads. Each instance to which the volume is attached has full read and write permissions to the volume. The following are several considerations and [...]