Blog

Notes on AI, cybersecurity, and Linux/infra.

The Shell Nobody Explains
01July 24, 2026·4 min read

The Shell Nobody Explains

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

When Linux Intercepts Its Own Network
02July 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.

Production Is Not a Playground
03July 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.