Posts
PGMiner: Anatomy of a PostgreSQL Cryptojacking Attack — From Discovery to Defense
A deep dive into the PGMiner botnet — how it weaponizes PostgreSQL's COPY FROM PROGRAM to hijack VPS servers for Monero mining, the mistakes that make servers vulnerable, and a hands-on lab to simulate every step of the attack.
The Anatomy of Database Indexing: B-Trees and B+ Trees
A practical guide to why databases use B-Trees and B+ Trees for fast lookups and range scans.
OS Threads vs Goroutines: A Deep Dive
A concise comparison of OS threads and goroutines, focusing on scheduling cost, stack size, and concurrency tradeoffs.
Go's Scheduler: How the G-M-P Model Works
An overview of how Go's G-M-P scheduler maps goroutines onto OS threads efficiently.
Golang Data Structures Cheat Sheet
Common manipulation patterns.
C# Data Structures Cheat Sheet
Common manipulation patterns.
JS Data Structures Cheat Sheet
Common manipulation patterns.
Step-by-step phone setup for TikTok to target US (or any country) users and proper account warm-up
Step-by-step phone setup for TikTok to target US (or any country) users and proper account warm-up by Alex Nguyen (@alexcooldev).
Hexa Sort Game Analyze
Flow chart of hexa sort
Top 50 Most Asked Database Interview Questions
A practical guide to 50 common database interview questions with clear, concise answers.