Dissecting House of Apple 2 on modern glibc

An interactive GDB walkthrough of House of Apple 2 on glibc 2.43: FSOP past vtable checks, wide-stream arbitrary call, stack pivot, and ROP—with a follow-along lab.

Tutorial · Security · Linux · Systems Programming · Tutorials

NetBSD: Playing with disklabels

A hands-on walkthrough of NetBSD disklabels for someone coming from Linux/DOS: how labels are structured, how to inspect and edit them safely, and the gotchas when partitioning disks the BSD way.

Tutorial · Linux · Systems Programming · Open Source · Tutorials

Swap, ZRAM, Zswap and Hibernate on NixOS

Matthew Brunelle untangles swap vs ZRAM vs zswap for suspend-then-hibernate on NixOS: why hibernate needs real swap, how swap files complicate resume, and the config that finally worked after several wrong turns.

Tutorial · Linux · Infrastructure · Programming · DevOps

Running Ubuntu on the Lenovo IdeaPad Duet

A hands-on walkthrough of firmware hacking a Lenovo IdeaPad Duet Chromebook (ARM64 MediaTek) to run Ubuntu after ChromeOS and postmarketOS fell short.

Tutorial · Linux · Hardware · Open Source · Programming