
Solving My First CTF Challenges on Pwnable.kr
A step-by-step walkthrough of my first experience solving capture the flag security challenges, focusing on file descriptors and hash collisions.

A step-by-step walkthrough of my first experience solving capture the flag security challenges, focusing on file descriptors and hash collisions.

A step-by-step walkthrough of my first experience solving capture the flag security challenges, focusing on file descriptors and hash collisions.

Learn how to create a reusable TypeScript library and publish it to NPM — with build tools, testing, versioning, and best practices.

Learn how to securely set up an FTP server on Ubuntu using vsftpd, with FTPS encryption, per-user settings, chroot jail, and VirtualBox NAT support.

Learn how to configure PHP's mail function to send emails from localhost using Gmail's SMTP server and an App Password in XAMPP. This step-by-step guide ensures secure and reliable email testing during development.

Struggling to decide between freelancing and full-time work? This expert guide dives deep into the pros, cons, and key differences of each path, helping you make an informed choice based on your goals and lifestyle.