Sharing notes from my ongoing learning journey — what I build, break and understand along the way.
My AWS Cloud Operations Learning Journey (Cost, Monitoring, and More) I’ve recently started learning AWS. I’m sharing these notes to help myself remember what I’ve learned and also to make it easier for others to follow along. I’ve summarized each…
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…
Secure Your Python ATM App: From Plain Passwords to SHA-256 Hashing In my previous post, I created a simple command-line ATM application using Python. It allowed users to check their balance, deposit money, and withdraw funds — all based on…
How I Built a Database-Driven ATM App in Python After creating a basic ATM simulation in Python with just a balance = 1000 variable, I decided to upgrade the project by connecting it to a real database. Instead of storing…
How I Built a Simple ATM Program in Python (Step-by-Step) This week I wanted to build something small but practical in Python: an ATM simulation. The goal wasn’t to impress anyone, just to reinforce what I already learned and get…
OSI Layers and Cybersecurity: A Detailed Security-Centric Breakdown Have you heard the term “OSI layers” often but still don’t quite know what they actually mean or how they work? Don’t worry—I recently came across it myself and decided to create…
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,…