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 [...]

AWS re:Invent 2022 Announcements for AWS Machine Learning Engineers and Data Scientists

Every year, professionals all around the world attend the most transformative tech event — AWS re:Invent. Here, a LOT of new AWS services and capabilities are announced and discussed. In this post, we will focus on the major announcements relevant to data scientists and ML engineers! A Gentle Introduction to Amazon SageMaker The major announcements discussed in this post focus on SageMaker, so we will spend a paragraph or two quickly talking about the [...]

AWS re:Invent 2022 Highlights

If you’re new to AWS and haven’t heard of re:Invent, this is a global cloud community event where AWS announces new features and services. You also get to meet like-minded IT professionals who are eager to learn more about cloud computing. For November 28, 2022 - December 2, 2022, the biggest, most comprehensive, and the most vibrant event will be held again in Las Vegas. In this article, we’re going to take a look [...]

What is Prometheus?

What is Prometheus? Prometheus is an open-source system monitoring and alerting toolkit originally built at SoundCloud. This tool's primary function is to collect and store metrics as time series data. For example, suppose you have a running web application that is too slow. You can use Prometheus to determine the response time of a web server or the number of active connections/queries in a database. Features: Multi-dimensional data model with time series data identified [...]

What is Grafana?

What is Grafana? Grafana is an open-source analytics and interactive visualization web app. When connected to supported data sources, it displays charts, graphs, and alerts on the web. The product is described as a "complete observability stack,” which includes everything you need to interact with your data. How It Works To visualize and analyze data in a dashboard, you’ll need to set up the following: Server - produces the data that you want [...]

How to View your Actual AWS Bill if you have AWS Credits

Having AWS Credits can significantly reduce the cost of your cloud resources in your AWS account. However, there are some changes in your AWS Billing and Cost Management console that you must be aware of, to ensure that you still understand the running cost of your cloud services. You can easily view the actual bill of your Amazon Web Services (AWS) account on the Bills page by default, which you can access via the [...]

My AWS Certified Solutions Architect Professional SAP-C02 Exam Experience

I just passed the latest version of the AWS Certified Solutions Architect Professional SAP-C02! What a way to end the year strong! In this short article, I'll quickly discuss what this SAP-C02 exam is all about and the different things that can help you pass this mind-boggling test. The New AWS Certified Solutions Architect Professional Exam The AWS Certified Solutions Architect - Professional SAP-C02) exam is one of the two Professional-level certification tests of [...]

My SAA-C03 AWS Certified Solutions Architect – Associate Exam Experience

My team and I took the recently released AWS Certified Solutions Architect - Associate SAA-C03 exam version recently. The SAA-C03 test replaced the old SAA-C02 exam version last August. If you can compare the official exam guide of the previous SAA-C02 version with the latest one (SAA-C03), you may notice that the exam domains are almost exactly the same but with quite different domain percentages. For example, the "Design Secure Applications and Architectures" domain [...]

AWS Certified Solutions Architect SAA-C03 Content Update

With the new version of AWS Certified Solutions Architect - Associate exam coming out very soon, we are delighted to let you know that we started transitioning our SAA practice exams from the SAA-C02 to the new SAA-C03 exam version based on the brand new cloud services that AWS recently released. We also released the new SAA-C03 version of our AWS Certified Solutions Architect - Associate Study Guide eBook quite recently. As for our [...]

What’s New with the SAP-C02 AWS Certified Solutions Architect Professional exam this 2023?

The AWS Training and Certification team recently announced the third iteration of its challenging AWS Certified Solutions Architect - Professional (SAP-C02) exam. The first day to take the new version of the AWS Certified Solutions Architect - Professional exam would be on November 15, 2022, with an updated exam code of SAP-C02. Take note that the current version (SAP-C01) will only be available on November 14, 2022 so you still have time to recertify. The [...]

Whitelisting Access to Application Load Balancer Through The Use of AWS WAF

Load balancing an application is a common approach to distributing traffic among multiple servers. It has a breadth of benefits that can optimize performance, including availability and responsiveness, as it spreads the workload from one server to another, preventing server overload. AWS has a wide variety of load balancer types. But one of the most commonly used for web servers is the Application Load Balancer (ALB), as it functions at the application layer, the [...]