Tech Blogs - Tutorials Dojo

Prevent EC2 Downtime: Setting Up Status Check Alarms to Auto-Reboot an Instance
When you’re running a production website on an EC2 instance, the last thing you want is for it to unexpectedly go down while you’re focused on other tasks. Without the right monitoring in place, you might not even realize your site has been offline for a while, and repeated [...]
Securing Your Website in Containerized Applications: A Step-by-Step Guide to Setting-up HTTPS
So, you have just deployed your first app to the cloud (maybe you have followed the tutorial that we have for deployment insert link here), it’s running great, you have your users now, but then you noticed that little “Not Secure” warning in the browser. Suddenly, your app looks… [...]
Mastering Cloud-Based Semantic Search: Advanced Cloud Search Architectures Made Easy
In today's AI-driven world, finding information based on meaning and context rather than exact keywords has become crucial. Good thing we now have vector search, enabling semantic search, personalized recommendations, image similarity, and more. However, building and managing vector search infrastructure can be complex. Fortunately, AWS offers zero-infrastructure managed [...]
Prevent Unforeseen Azure Costs: Setting Up Automated Slack Alerts for Your Subscription
Cloud computing gives companies access to cutting-edge services, flexibility, and scalability. Effective cost management, however, is one of the main challenges to cloud adoption. Despite Azure's robust offerings, businesses risk unexpectedly high costs if they don't have active monitoring. Image generated by Gemini This is where cost monitoring and automated [...]
Beginner’s Guide to Gamma – Let AI Build Your Presentations
Ever wish you could skip the boring parts of making slides and focus on your ideas? Instead, imagine jumping straight into expressing them clearly and beautifully without wrestling with layouts. Moreover, if you’ve ever felt stuck or simply want to save time building presentations, Gamma is the most beginner-friendly [...]
AWS Student Community Day 2025: Mega Manila at Jose Rizal University
AWS Student Community Day 2025: Mega Manila at JRU September 17, 2025 marked a milestone for student communities across Mega Manila. The José Rizal University (JRU) campus came alive with energy as it welcomed hundreds of students for AWS Student Community Day 2025, an annual gathering that empowers the [...]
Build a Simple Mood Journal App with Electron.js
As someone who has been interested in mini desktop applications, I decided to build my own mood journal app to track my daily thoughts and reflections. What better way to learn Electron than by creating something practical? In this tutorial, I will guide you through the process of building [...]
Tech Internships for Future Job Market Readiness in 2025
The tech job market in 2025 continues to expand at lightning speed, with new roles and technologies emerging almost every month. At the same time, competition for these positions grows more intense as thousands of graduates enter the workforce with similar academic qualifications. In this environment, a degree alone [...]
The Evolution of Wearable Technology: Shaping the Future of Work, Communication, and Health
Wearable technology has rapidly evolved, transforming everything from healthcare to communication. Today, wearables offer exciting opportunities, enabling a future where technology seamlessly integrates into our daily lives. Innovations, such as Meta's Ray-Ban smart glasses, are pushing the boundaries of wearable tech. However, the key question remains: how does wearable [...]
AWS Bedrock’s Intelligent Prompt Routing: Smarter AI for Everyone
When we interact with AI models, we often expect them to instantly understand our intent and give the right answer. But the truth is, not every model is designed for every type of task. Some are fast but shallow, others are detailed but resource-heavy. Here’s a question I always [...]

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 [...]

How to Create Wait Conditions in a CloudFormation Template

Wait Conditions, as the name suggests, is a tool used to control the order of creation of the AWS resources in a CloudFormation stack. It can pause the creation of a stack and wait for a signal to ensure that specific resources and configurations were properly launched before resuming the stack creation process. Use cases: For example, you want to make sure that a specific domain name is working before you can conclude that [...]

Multi-Account Multi-Region Data Aggregation On AWS Config

AWS Config is a service that tracks changes made to resources associated with an AWS account. This service can give you a detailed view of the resource configuration’s timeline so you can go back in time and identify when and what resource the change was made into. It also enables you to determine the overall compliance against the rules and configurations specified in your guidelines. This simplifies compliance auditing, security analysis, change management, and [...]

Specifying Triggers for AWS Config Rules

AWS Config allows you to set “rules” to evaluate configuration settings on your AWS resources. The result of these rule evaluations are then displayed on the AWS Config web console. You can control the frequency of rule evaluations by AWS Config by specifying a trigger. A trigger refers to the method of evaluation for your config rules. There are two types of triggers to select from when creating a rule. 1. Configuration Changes When [...]

Setting up AWS Systems Manager for Hybrid Environments

AWS Systems Manager allows your organization to monitor and control their infrastructure on AWS and on-premises environments. Systems Manager provides a unified interface to which you can monitor thousands of servers and services of AWS. Essentially, Systems Manager simplifies resource and application management, shortens the time to detect and resolve operational problems, and makes it easy to operate and manage your infrastructure securely at scale. The following are the capabilities of AWS Systems Manager [...]

Asymmetric vs. Symmetric Encryption KMS Keys

Even before the Internet, the security, privacy, and integrity of information have always been the top concern of institutions like banks, hospitals, and universities. Nobody wants their personal information (name, address, credit card number, etc.) to be exposed in public for anyone to use. Imagine signing up on your favorite social media website, and after a few days, somewhere on the globe has been using your profile and pretending to be you without you [...]

My AWS Certified SysOps Administrator Associate SOA-C02 BETA Exam Experience in 2021

I took the BETA version of 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. There is also a 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. [...]