Tech Blogs - Tutorials Dojo

The Economics of AI Infrastructure: Understanding AWS AI Factories
Artificial intelligence has shifted from being a software innovation challenge to becoming an infrastructure challenge. Organizations no longer struggle primarily with model design. Instead, organizations are increasingly challenged by compute density, energy consumption, networking scale, and operational complexity when deploying modern AI systems. As large-scale generative AI systems become [...]
Deploying an AWS Application Load Balancer (ALB) Using Terraform
If you’ve tried building an ALB manually in the AWS Console, you already know the drill create a VPC, configure subnets, set up security groups, launch EC2 instances, create a target group, add listeners, and then double check everything because one small misconfiguration can break the whole setup. It [...]
How to Break Into Tech (With Security in Mind)
Let’s talk honestly for a second. If you want to break into tech securely, you need to think differently from the start. A lot of people say they want to “break into tech,” but very few think about structure, architecture, and security from day one. What they usually mean [...]
Stop Running OpenClaw on Your Laptop: How I Built a Secure Personal AI Assistant Using Amazon Bedrock
I'll admit. The first time I heard about OpenClaw and its features, I was obsessed. The idea of having an AI that could actually do stuff rather than just giving responses to prompts felt like living in the future. As a university student, it’s a given that I have [...]
Improving Application Security with AWS Security Agent
Modern software teams are very fast today. Code is pushed daily. Pipelines deploy automatically. Features reach users quickly. This is the success of DevOps. But security often does not move at the same speed. In many organizations, security reviews are still scheduled monthly or quarterly. Penetration tests require coordination. [...]
Real-time Personally Identifiable Information (PII) Redaction Pipeline with S3 + Lambda + Comprehend
In my previous article, I demonstrated how to use the Amazon Comprehend console to manually detect and redact Personally Identifiable Information (PII) from text files. While this hands-on method is excellent for learning the fundamentals of PII detection, it’s not practical in real-world, high-volume environments where speed and accuracy [...]
Are AI Engineers the New Full-Stack Developers?
Something has been quietly shifting in the tech industry. Job titles that used to sit in completely separate corners of a hiring platform are starting to blur together, and engineers on both sides are feeling it. The full-stack developer who's suddenly expected to integrate LLMs. The AI engineer who's [...]
The “Stateful” Video: Moving from Random Prompts to Semantic Consistency
In the early days of GenAI, creating a video was like launching a Lambda function with no database—every time you ran it, the AI "forgot" what the character looked like, what they were wearing, or even the laws of physics in the previous scene.As we hit 2026, the industry [...]
Reinforcement Fine-Tuning in Amazon Bedrock: A Practical Guide for Enterprise AI
Large language models are powerful, but power alone is not enough for enterprise AI. A model may generate fluent responses, yet still miss your company’s tone, fail structured validation rules, or produce outputs that are technically correct but operationally unusable. The real challenge is not just making models smarter, [...]
Don’t Install OpenClaw! (Unless You Read This First)
If you have been on Twitter, TikTok, or GitHub recently, you have probably seen the hype. Clawdbot (now rebranded as OpenClaw) promises something bold: a self-hosted AI employee that runs on your Mac Mini, has terminal access, and takes instructions through messaging platforms like Telegram. It sounds powerful. It [...]

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. [...]

AWS Managed Policies For Job Functions

AWS managed policies for job functions are policies that contain sets of permissions required for a specific job function or role (especially in the IT industry). It is designed to simplify the creation of policies by combining the permissions for many services into a single policy. You can attach these policies for job functions to any group, user, or role. To further understand this, let’s consider the scenario below: Mikee is the new database [...]

My AWS Certified Security Specialty Exam Experience – Tips and Important Notes

My AWS Certified Security Specialty Exam Experience - Tips and Important Notes The AWS Certified Security - Specialty is included in the top 10 Most Popular Cybersecurity Certifications based on Global Knowledge’s 2020 IT Skills and Salary Report. Beating some of the famous security certifications on the list (e.g. CEH, CompTia: Security+) only shows how influential AWS has been to the IT industry in the previous years. Not only Security Professionals can benefit from [...]