🧩 How to Shrink a Kali or Parrot OS VirtualBox Disk (VDI) Safely This guide helps you reduce the size of a VirtualBox VDI disk after your Linux guest (Kali or Parrot) starts occupying too much spa...

In may 2025, right before the main Microsoft ADC CTF, there was a teaser challenge. In this challenge, we were given a ZIP archive named ExtractMe.zip. At first glance, it seemed like a simple pass...

🛡️ How to Detect and Block Port Scans with Fail2ban on Ubuntu Port scanning is one of the first steps attackers use to find vulnerabilities in your system. With Fail2ban, you can detect suspicious...

📝 Installing and Use ClamAV to Scan Ubuntu for Malware Keeping your Ubuntu system clean from malicious files is critical — even on Linux. In this guide, you’ll learn how to install, configure, and...

🔍 How to Use Lynis to Audit and Harden Your Ubuntu System Lynis is a powerful open-source security auditing tool for Unix-based systems. It scans your system for vulnerabilities and provides detai...

📦 OneDrive Backup Setup Guide for Ubuntu Looking to back up your important files on Ubuntu seamlessly? This guide walks you through installing and configuring the official OneDrive CLI client. Wit...