Tech Blogs - Tutorials Dojo

How to Book the Claude Certified Architect – Foundations (CCA-F) Exam
The Claude Certified Architect – Foundations (CCA-F) is Anthropic's foundational certification for professionals who design and build production systems with Claude. One thing is worth understanding before you register: the exam is scenario-based, not concept-based. Rather than asking you to define terms or recall facts in isolation, each question [...]
Get AWS AIF-C01 and CLF-C02 with 50% OFF: Build Your Future with Two AWS Certifications!
Artificial intelligence and cloud computing are changing the way we work. From writing emails with AI assistants to running business applications in the cloud, these technologies have become part of our everyday lives. You no longer need to be a software engineer to benefit from understanding how they work. [...]
The Best Local Development Setups for Web and Mobile Apps
Local development setups can affect how fast you build, test, and ship web and mobile apps. This guide is for students, developers, and everyone that wants to compare three practical cross-platform options. You will see how Next.js with Expo, Flutter with Android Studio, and Next.js with Capacitor perform in [...]
My First Exposure to Machine Learning with PyTorch
If you have ever opened a machine learning tutorial and felt like you were reading a math and statistics textbook, you are not alone. I spent months telling myself I would “get into AI eventually”, until I finally arrived at my breakthrough. This is not a textbook breakdown of [...]
Building AI Browser Agents with Browser Use and Playwright
Artificial intelligence is changing how developers interact with the web. Traditional browser automation was originally designed around predefined scripts, rigid workflows, and predictable user actions. Developers manually wrote automation logic that followed exact selectors, buttons, and navigation sequences. While effective, these systems often broke whenever websites changed their layouts [...]
The New Software Stack: AI + GitHub + Cloud
Software development looks very different today than it did five years ago. Developers are no longer working with isolated tools and manual deployment pipelines. Instead, the modern software stack has grown into a connected ecosystem where artificial intelligence, cloud infrastructure, automated DevOps workflows, and collaborative development platforms all work [...]
AI Coding Assistants Are Changing Junior Developer Learning Habits
Human AI workflows are rapidly transforming modern software development. From generating boilerplate code to debugging cloud infrastructure configurations, AI coding assistants are becoming part of the everyday toolkit of developers around the world. For junior developers, this shift is significantly changing how programming is learned. A few years ago, [...]
Connecting the Pieces: How AWS Services Form Cloud Architectures
One of the biggest surprises I encountered while learning AWS was realizing that understanding individual services and understanding cloud architecture are not the same thing. Like many beginners, I started by learning services one at a time. EC2 was a virtual server. S3 was object storage. RDS was a [...]
How to Deploy a Lovable Site to AWS Lambda Using the AWS Lambda Web Adapter
There is a real satisfaction in taking something you built yourself and putting it live on infrastructure you own and control. This guide shows you how to deploy a Lovable site to AWS Lambda using the AWS Lambda Web Adapter, so a page you designed in an afternoon can [...]
The Rise of Human + AI Workflows
I've grown with AI during it's formative years to see how the public's perception constantly shift. AI was once framed as a threat: You vs. AI. Then it became a divide: AI-assisted users vs. non-AI-assisted users. Now, we are entering the real future of work: You + AI. The [...]

Adding Logs Insights Queries To Your CloudWatch Dashboard

Introduction Widgets are the building blocks of a CloudWatch dashboard. They come in various types that can help you interpret metrics in a way that's not only meaningful but also tailored to your specific needs. While they are typically used for visualizing metrics, widgets can also display the results of Logs Insights queries on your dashboard. Logs Insights queries as a checklist You can save Logs Insights queries to create a "troubleshooting checklist" for [...]

Cost Allocation Tags on Amazon S3 Buckets and Using AWS Cost Explorer

Amazon Simple Storage Service (Amazon S3) is one of the most popular cloud-based storage solutions by AWS. Amazon S3 offers flexibility for various applications and is widely used across multiple use cases as it offers durability, availability, and cost-effectiveness. It allows users to store, manage, and securely access petabyte-scale data from the AWS cloud. By default, Amazon Billing shows how much data and cost is incurred for the cumulative storage cost and usage of [...]

Automating Amazon GuardDuty Notifications through Email Alerts

Amazon GuardDuty is a powerful security tool that helps to detect suspicious activities and threats in your AWS environment. It uses intelligent threat detection and provides you with a detailed view of potential security issues across your AWS account. Amazon GuardDuty continuously monitors your AWS resources and generates findings based on various threat intelligence sources. This allows you to identify security vulnerabilities and take necessary actions to secure your environment. One of the key [...]

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 [...]