Tech Blogs - Tutorials Dojo

Understanding Your API: The API-verse
In this blog, I will guide you through understanding the various types of APIs. You'll learn about different API classifications you can use for your next project and when to implement each one. This high-level overview of API varieties will expand your knowledge and help you become well-versed in [...]
PartyRock: AI Python Code Checker for Tech Interview Simulation
Bookmarks What is Party Rock? AI Code Checker Tools Comparison UI Components of our PartyRock-based Python Code Checker Python Interview Topics Covered by the PartyRock app Use-cases and Applications of PartyRock-based Python Code Checker Hands-on Exercise: Getting Started with PartyRock Final Remarks [...]
Implementing IP Blocking and Unblocking Using AWS Lambda, Slack, and AWS Systems Manager
Blocking IP addresses is a crucial security measure for protecting an organization's infrastructure from various cyber threats, including DDoS attacks, brute-force login attempts, and unauthorized access. By blocking malicious or suspicious IPs, organizations can prevent system compromise, reduce unwanted traffic, and ensure that only trusted networks access critical resources. [...]
AWS in Bioinformatics: Biology, data, & the cloud
Marriage of biology and tech. With the current technological advancements, how about we throw in the cloud in the tech too? Just like... Bioinformatics in AWS HealthOmics. Yes, you read that right! Are you torn between the two and want to pursue them both? To sit in a laboratory [...]
Deploy a Next.js Static Site to AWS with GitHub Actions and Bunjs
At the AWS Community Day Philippines 2024, during the preparation for the event, the organizers assigned me the responsibility of setting up a Continuous Integration and Continuous Deployment (CI/CD) strategy for the website. Therefore, in this blog, I will explain the approach I took and how I utilized GitHub [...]
Setting up Slack notifications on Tag Modifications for EC2 Instances
Monitoring resource configurations in a dynamic cloud environment is important, especially in production. One essential aspect of managing AWS resources, such as Amazon EC2 instances, is tracking tag modifications. Tags are not just labels but vital in organizing resources, enabling billing allocation, and enforcing compliance policies. Any unintentional tag [...]
Introduction to Amazon SQS FIFO and Standard Queues
Amazon Simple Queue Service (SQS) is a fully managed message queuing service by AWS that allows distributed applications to communicate asynchronously, making it a critical tool for decoupling microservices and improving system resilience. SQS offers two types of queues tailored for different use cases: Standard Queues: These queues are [...]
AWS Console-to-Code: Seamlessly Transform Manual Actions into Reusable Code
Cloud computing today demands efficiency and automation like never before. AWS Console-to-Code is an innovative tool designed to bridge manual operations with automated infrastructure management. By transforming console actions into reusable Infrastructure-as-Code (IaC), this feature streamlines workflows, enhances consistency, and accelerates deployment processes. This article will guide you through [...]
Automate CloudFront Invalidation via Slack
In today's digital age where most people are using gadgets, we're likely familiar with the term "cache". Most of us first hear about cache when looking to free up storage or improve performance on our mobile devices especially for android users. If we look at our device's settings then [...]
Streamline Log Monitoring for Nginx with CloudWatch Agent
Monitoring the health and performance of your applications is essential for maintaining reliable operations, detecting issues, and troubleshooting efficiently. Monitoring logs can provide invaluable insights into server behavior, user activity, and error occurrences regarding web services. However, tracking logs across distributed systems can be challenging. Amazon CloudWatch Agent is [...]

Exploring AWS Cloud Quest: Cloud Practitioner Game

What is AWS Cloud Quest? AWS Cloud Quest is an open-world, role-playing game that teaches you how to create AWS solutions using cloud concepts and exercises based on real life. It helps you learn the intricacies of modern cloud technologies and have fun at the same time. Cloud Quest features 12 real-life scenario assignments which prepare and train you to become an AWS Cloud Practitioner at absolutely no cost. This free game targets audiences [...]

Building Dynamic Start and Stop Scheduler Functions for Non-Distributed Applications Under Auto-Scaling Group

In AWS, it’s of utmost importance to consider the cost in every aspect. In fact, cost optimization is one of the 6 pillars of a well-architected framework, therefore, it must be included in every step in building solutions in AWS. There are infinite ways to reduce bills but one of the most popular ones for EC2 instances is to start or stop them, especially if they don't need to run 24/7. But constantly doing [...]

Real-time Monitoring of 5XX Errors using AWS Lambda, CloudWatch Logs and Slack

Monitoring is the best friend of every system administrator. It gives visibility into what is happening on your application so that when an issue occurs, you or someone in your team could be alerted and do the necessary measures to mitigate it. However, this can only be as effective as the metrics you're keeping track of. There are plenty of factors that can affect application performance. And while it’s difficult to stay on top [...]

Automatically stop non-production RDS databases with AWS Lambda and Amazon EventBridge

Every AWS service offering comes with a pay-as-go pricing model, empowering businesses, small or large, to be flexible at experimenting and making changes as they build their products to market. This pricing model is similar to riding an Uber, where you only pay for the distance covered, or to electric bills where you’re charged based on actual energy consumption. Of course, the more devices you have running, the higher your monthly bill will be. [...]

What’s New with the SAA-C03 AWS Certified Solutions Architect Associate exam this 2022?

The AWS Training and Certification team recently announced that there’s yet another version release of its popular AWS Certified Solutions Architect Associate exam will be released this August 30, 2022. Its new exam version would be SAA-C03. Take note that the current version (SAA-C02) will only be available on August 29, 2022 so you still have time to recertify. The new SAA-C03 will be focused on Security, as shown on its official exam guide.' History of the [...]

Getting Started with SageMaker Ground Truth Private Workforce

Before we begin, let’s quickly talk about what Amazon SageMaker is and what it is used for. If this is your first time learning about Amazon SageMaker, it is the machine learning platform of AWS that helps solve the different requirements of data scientists, developers, and machine learning practitioners. It has several features and capabilities that assist in the different stages of the machine learning process. In this tutorial, we will focus on SageMaker [...]

Scalable Data Processing and Transformation using SageMaker Processing (Part 2 of 2)

In this 2-part tutorial, we will focus on SageMaker Processing and how we can use it to solve our data processing needs. Our overall goal is to demonstrate how to use SageMaker Processing to help us perform Min-Max scaling on a dataset in its own dedicated and easily scalable environment. If you are looking for Part 1, you can find it here. As mentioned in Part I, we have divided this tutorial into 4 [...]

Scalable Data Processing and Transformation using SageMaker Processing (Part 1 of 2)

Amazon SageMaker is the machine learning platform of AWS which helps solve the different requirements of data scientists and machine learning practitioners. It has several features and capabilities that assist in the different stages of the machine learning process. Here is a simplified list of the capabilities of SageMaker mapped to some of the stages of the ML lifecycle. SageMaker Processing Data Preparation and Processing SageMaker Training Model Training SageMaker Automatic Hyperparameter Tuning Model [...]

AWS Certified Sysops Administrator Associate (SOA-C02) Exam Experience

I recently took the new AWS Certified SysOps Administrator SOA-C02 exam last week via the Pearson Vue online proctoring. There are a lot of recently introduced features and services that showed up in this new version which you should be aware of. The new version included the new Exam Labs section in the test, which is unique among the other existing AWS certifications. If you’re planning to take this exam soon, read on. At the beginning [...]

Sample SysOps Exam Lab Scenario #1 – Create an Alarm Using a Metric Filter

This sample exam lab was taken from our AWS Certified SysOps Administrator Associate Practice Exams. Check out our practice test course for more exam lab scenarios. LEARNING OBJECTIVE The goal of this lab exercise is to help you understand how you can leverage CloudWatch Logs, CloudWatch Metrics, CloudWatch Alarms, and Amazon SNS services in creating an automated alarm system that can inform you of unusual activity in your AWS cloud environment. TIME: 20 MINUTES [...]