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 [...]

How to Setup Backup and Recovery in Azure

If you’re managing a cloud infrastructure, you understand that backups are created to safeguard critical data and ensure business continuity. In the event of a server failure, backups expedite the restoration of data and the prompt resumption of operations. It also allows you to revert to previous server states, which is helpful for version control and rollbacks. Additionally, backups are useful resources for testing, development, and creating replica environments. In Microsoft Azure, the dedicated [...]

Streamlining EBS Snapshot Management with Amazon Data Lifecycle Manager Automation

Amazon Elastic Block Store (EBS) snapshots are an essential part of managing data on Amazon Web Services (AWS). EBS snapshots are backups of your EBS volumes, which are stored in Amazon Simple Storage Service (S3). They are crucial for data protection and disaster recovery, but managing EBS snapshots can be time-consuming and complex. Fortunately, Amazon Data Lifecycle Manager (DLM) provides a solution to simplify EBS snapshot management. DLM is a service that automates the [...]

Enhancing S3 Bucket Security by Prohibiting Uploads of Unencrypted Objects

Amazon S3 is a widely used object storage service that allows users to store and retrieve large amounts of data. S3 is known for its scalability, durability, and cost-effectiveness, making it an ideal choice for many organizations. However, as with any cloud-based service, security is a crucial concern. One way to enhance the security of S3 buckets is by prohibiting the upload of unencrypted objects. In this article, we will explore why this is [...]

10 Years of AWS Certification: Is It Still Worth It to get AWS Certified this 2023?

10 years ago, on April 30 2013, Amazon Web Services launched its AWS Global Certification Program. The primary purpose of this program is to validate the necessary technical skills and knowledge required for building secure and reliable cloud-based applications using the AWS Cloud. Passing the AWS Certification exam means that you can prove your expertise and knowledge in AWS to your current employers or even to the prospective companies you wish to apply for. [...]

AWS Lambda: Synchronous vs Asynchronous Invocation

You can invoke a Lambda function in two ways. Synchronous Invocation The first one is called Synchronous invocation, which is the default mode. Synchronous invocation is pretty straightforward. When you invoke a function synchronously, AWS Lambda waits until the function is done processing, then returns the result. Let’s see how this works through the following example: The diagram illustrates a Lambda function-backed API that is managed by API Gateway. When API Gateway receives a [...]

Connecting your Lambda Function to a Private Database

If you want your Lambda function to interact with resources (e.g., RDS database, EC2 instance) inside a private subnet, you won't be able to do so by default. The reason for this is that Lambda functions live in an isolated and secured VPC managed by AWS. This is why when you create a Lambda function, you don’t go through any networking configurations (VPC, subnet, ENIs), unlike when creating EC2 instances. Also, you cannot establish [...]

New AWS Cloud Practitioner Video Course Release and AWS Video Courses Price Drop

Beginners in cloud computing find it much simpler to learn various lectures or topics through video courses. It's undoubtedly among the best tools for learning that you can use in preparing for an AWS certification exam. Our Video Courses, created by AWS Certified professionals, will certainly help you prepare to pass your AWS certification exams. New AWS Certified Cloud Practitioner CLF-C02 Video Course The first step in AWS Certification is the Foundational level [...]

Configuring Azure Object Replication

Data replication is crucial for organizations focused on maintaining uninterrupted business operations, strengthening data safety, and enhancing application efficiency. Organizations can avert data loss, lessen downtime, and ensure continuous access to essential information by producing and overseeing multiple data duplicates across a range of systems and sites. In today's breakneck speed and interconnected world, data replication is vital for complying with regulatory standards and offering an outstanding user experience. It is a core aspect [...]

How To Reduce Your Monthly Azure Usage

As organizations embrace the digital transformation era, they're turning to cloud computing to facilitate operations, scale up and down smoothly, and, most importantly, cut IT costs. Microsoft Azure is one of the powerhouses for providing cloud computing services to its users worldwide, providing numerous tools and services from computing power, storage, networking, databases, and AI. In this article, we will provide an insightful overview of the various strategies for optimizing resource usage that ensures [...]

Azure 101: Azure Migrate

In today's rapidly evolving digital landscape, migrating to the cloud has become crucial for organizations seeking to remain competitive and agile. While the cloud offers numerous benefits, such as scalability, cost optimization, and flexibility, the migration process presents a unique challenge. These challenges include the need for technical expertise to navigate complex cloud environments, potential security risks that come with transferring sensitive data and ensuring a seamless transition with minimal downtime. By recognizing and [...]