Posts for: #linux

A deep dive into a powerful local privilege escalation exploit that abuses Linux's cryptographic sockets and the page cache. We explore how it works, why it gives passwordless root access, and how container runtimes stop it.

A tool that watches directories and auto-commits changes to git, fully unattended. How it works, the design decisions behind it, and what I learned building it with systemd templated units.

Templated units, drop-in overrides, user vs system scope, and a debugging workflow for when things go wrong. Everything I learned while building a tool that needed many instances of the same service.

How to set up a Tor hidden service to SSH into a remote machine without opening ports, configuring NAT, or exposing your server to the internet.