Sharing notes from my ongoing learning journey — what I build, break and understand along the way.
What I Learned About AWS Databases (RDS, Aurora, DynamoDB) After 2 Days of Deep Diving This guide was created after completing my AWS database training and is meant to help others (and myself) consolidate key concepts — from the basics…
The Complete Guide to AWS Virtual Private Cloud (VPC) and Networking I want to summarize everything I’ve learned about Networking in Amazon Web Services (AWS) in the form of notes, but in a detailed and simple way. This post is…
What Is a Subnet? Full Explanation of Subnetting, CIDR, and Real-World Use Cases While going through my learning journey in networking, I came across the term subnet quite frequently. At first, it was a bit abstract to me, but the…
Learning Amazon EC2 with AWS Educate: A Complete Beginner’s Journey After diving into AWS storage services yesterday, today I focused on one of the core compute services in the AWS ecosystem: Amazon EC2 (Elastic Compute Cloud). Through the AWS Educate…
What Is AWS Storage? A Complete Learning Journey Through AWS Educate In today’s data-driven world, the value of data depends largely on how it’s stored and managed. Selecting the right cloud storage strategy is now a fundamental skill for developers,…
What Is Amazon AWS and Why Should You Learn It? (My Learning Journey with AWS Educate) Hi everyone! 👋I’m currently training to become a Fachinformatiker Systemintegration (IT Specialist in System Integration) and at the same time, I’m actively learning about…
Cloud Computing: A Complete Beginner-to-Advanced Guide I wrote this post to document my own learning journey in cloud computing and to create a comprehensive reference for others who are new to the field. The content ranges from basic concepts to…
Inside the CPU: The 4 Steps of the Instruction Cycle As I continue learning how computers work at their core, one fundamental concept I’ve come across is the Instruction Cycle, also known as the Fetch–Decode–Execute–Store (FDES) cycle. This cycle is…
How Computer Memory Works — From CPU Registers to Disk Swap Since I’ve started learning how computers actually work under the hood, one of the topics that completely changed how I see system performance is something called the Memory Hierarchy.…
How Computers Understand 1s and 0s: Binary System, Character Encoding, and Logical Operations We’ve all heard that computers work with 1s and 0s, but what does that actually mean? What do those 1s and 0s represent? How do letters turn…