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 [...]

Amazon EC2 Auto Scaling Lifecycle Hooks

Bookmarks Auto Scaling Lifecycle Hooks Configure Lifecycle Hooks on your Auto Scaling Groups Amazon EC2 Auto Scaling allows you to scale-out or scale-in your EC2 instances automatically based on policies you configured in response to changing demand on your application. Auto Scaling Groups lets you set a minimum and maximum number of EC2 instances to automatically resize your cluster based on a defined schedule or instance metrics such as [...]

AWS Global Accelerator vs Amazon CloudFront

In this day and age, your site speed performance is an important factor when it comes to user experience. It is widely recommended for websites to have an average load time of 3 seconds as users tend to abandon the site if a page takes longer than 3 seconds to load. According to Amazon, just 100 milliseconds of extra load time cost them 1% in sales. Indeed, every second counts in our fast-paced digital [...]

AWS CodeCommit Repository

Amazon Web Services, with its ever-growing breadth of services, offers a fully-managed version control system where developers can privately store their application source code like Github or Bitbucket. CodeCommit can be used as a staging ground coupled with CodeDeploy and CodePipeline to seamlessly deploy code to Amazon EC2 instances. In this article, I will discuss how we can leverage Amazon SNS to send notifications whenever there are events in our repository. This is particularly [...]

Our AWS Community is Expanding!

Our AWS Community is Expanding! Join our Slack and Facebook Groups for More Exam Tips Over the past couple of years, Tutorials Dojo has garnered over 100,000 student enrolments on Udemy and is proud to have a passing rate of at least 90% in all of our practice test courses based on user feedback. Every day, we'd receive more than a handful of success stories and valuable insights about the actual AWS exams, however, [...]

Increasing MTU for Your EC2 Instance

What is MTU? MTU (maximum transmission unit) is the maximum size of one packet of data that can be transferred in a network. The default MTU size for Ethernet devices is 1500 bytes. This packet size contains the actual payload data as well as network overhead information needed for communication within the network. All AWS EC2 instances support the default MTU size. But many current instance sizes support 9001 MTU, also referred to as [...]

Amazon Cognito User Pools vs Identity Pools

Bookmarks Amazon Cognito User Pools Amazon Cognito Identity Pools With the proliferation of smartphones in our connected world, more and more developers are quickly deploying their applications on the cloud. One of the first challenges in developing applications is allowing users to log in and authenticate on your applications. There are multiple stages involved in user verification and most of these are not visible from the end-user. AWS provides [...]

Resolve Route 53 Private Hosted Zones from an On-premises Network

Route 53 Private Hosted Zones Amazon Route 53 DNS service supports Public Hosted Zones and Private Hosted Zones. Private Hosted Zones are useful when you want to use your private domain and have Route 53 respond to queries on that domain from resources within your VPC. For example, if you host a database on an EC2 instance on a private subnet, you can create a Route 53 record set (ex: privatedb.tutorialsdojo.com) for that database [...]

Locking your Glacier Vault using the Amazon S3 Glacier API

What is Amazon S3 Glacier Vault Lock A Glacier Vault can be described as a container for your archived objects in S3 Glacier. To begin using Amazon S3 Glacier, you need a vault. Creating and deleting vaults can be easily done in the AWS Management Console, but interacting with them requires you to use the APIs. For example, let’s say you want to upload images or log files to your vault. To do so, [...]

AWS Certified Security – Specialty SCS-C03 Exam Guide Study Path

Bookmarks SCS-C03 Study Materials AWS Services to Focus On SCS-C03 Common Exam Scenarios Validate Your Knowledge The AWS Specialty certification exams are intended for people who handle more specific responsibilities in AWS Cloud. Since these responsibilities demand a more advanced skill set with prior experience from a person, these AWS specialty exams are built so that they could reinforce and validate a person’s eligibility for that role. [...]

Amazon S3 Bucket Policies for VPC Endpoints

Amazon S3 and Amazon VPC Relationship Amazon S3 is a versatile object storage solution that boasts virtually unlimited storage capacity. You can expect that your files will be durably stored in S3 given that AWS provides an SLA for this service. When creating your S3 bucket, AWS provides you with a unique bucket URL that you can use to access your S3 bucket directly from the public internet, if you have public access enabled. [...]