Showing posts from August, 2026Show all

smem on Termux: Diagnosing Memory Pressure Without Root

smem on Termux: Diagnosing Memory Pressure Without Root TL;DR: smem is not in Termux's package repos, and pip install smem pulls …


Multisig vs Passphrase vs Dice: Surviving Bad Entropy

Multisig vs Passphrase vs Dice: Surviving Bad Entropy TL;DR: Minting a fresh seed after the Coldcard entropy disaster leaves you with …


Coldcard Entropy Hack: 1,816 BTC Drained — Migrate Now

Coldcard Entropy Hack: 1,816 BTC Drained — Migrate Now TL;DR: A bug in Coldcard firmware 4.0.1 made seed generation fall back to a wea…


Termux /proc on Android: What Works Without Root

Termux /proc on Android: What Works Without Root TL;DR: Termux runs on a real Linux kernel, but Android's SELinux policy hides hal…


SSH Hardening for Exposed Services: The Mobile Lab Edition

SSH Hardening for Exposed Services: The Mobile Lab Edition TL;DR: You want to SSH into your phone as a lab box. A phone is not a VPS, …


Essential Linux Tools After a Fresh Install: 5 Distros Compared

Essential Linux Tools After a Fresh Install: 5 Distros Compared TL;DR: A fresh install is the most dangerous moment in a Linux box'…