Blog

Notes on AI, cybersecurity, and Linux/infra.

01August 21, 2026·15 min read

udev, Explained: From Kernel Events to an Automated Backup

How Linux notices new hardware, how udev rules are built, and a complete walkthrough for triggering a backup the moment a drive is plugged in.

02July 27, 2026·7 min read

Rust Just Went Stable in the Linux Kernel

What actually changed in Linux 7.0, why it matters, and what's still true about the parts that didn't change.

03July 26, 2026·6 min read

Your Context Window Isn't the Problem. Where You Put Things Inside It Is.

Why bigger context windows make LLMs worse past a point, and the context engineering habits that keep AI agents reliable.

04July 24, 2026·4 min read

The Shell Nobody Explains

What "initramfs" means, why you see it, and how to fix it.

05July 16, 2026·5 min read

When Linux Intercepts Its Own Network

How Netfilter and ARP spoofing combine to let a Linux system silently redirect, inspect, or modify network traffic.

06July 10, 2026·4 min read

Production Is Not a Playground

A battle-tested checklist of habits Linux system administrators should follow to keep production servers alive.