In December 2021, a modified backup script deleted 77 TB of research data from Kyoto University’s supercomputer. This article rebuilds the failure chain with live demos: how bash reads a running script from an open file descriptor, what an inode is, why cp and mv treat it differently, and how one pair of missing quotes turns a log cleanup into a mass deletion.

Explore how to reverse engineer a USB device’s communication protocol using tools like lsusb, usbmon, and Wireshark, then implement a custom Linux kernel driver to handle its input/output by directly interfacing with its USB endpoints. The driver will specifically target the DualShock 4 controller.

Deep dive into Netfilter, the packet filtering framework of the Linux kernel

A dive into the evolution of Linux as a gaming platform over the years, and the technical challenges that were overcome to make gaming viable on the open-source OS.

Introduction to BlueZ and its API

Comment fonctionne pthread de la glibc sous Linux.

An overview of the suckless philosophy and its implementations