20 random bookmarks

2026-04-15

54.

Immutable Systems: NixOS + systemd-repart + systemd-sysupdate

x86.lol/generic/2024/08/28/systemd-sysupdate.html

When you build software for embedded devices (your Wi-Fi router or home automation setup on your Raspberry Pi), there is always the question how to build these images and how to update them.

2026-04-05

53.

Killing the ISP Appliance: An eBPF/XDP Approach to Distributed BNG

markgascoyne.co.uk/posts/ebpf-bng

An open-source, eBPF-accelerated BNG that runs directly on OLT hardware - eliminating expensive centralised appliances

2026-02-25

51.

Finding the Bottom Turtle · blog.dave.tf

blog.dave.tf/post/finding-bottom-turtle

Some reflections on trusting trust, and how deep the rabbit hole goes.

2025-12-17

49.

A security model for systemd

lwn.net/Articles/1042888

Poettering said that he does have a vision for how all of the security-related pieces of systemd are meant to fit together. He wanted to use his talk to explain ""how the individual security-related parts of systemd actually fit together and why they exist in the first place"".

2025-08-27

47.

Inside Windows 3

www.xtof.info/inside-windows3.html

Windows 3 is often said to be just an UI on top of DOS. This article presents some of the inner side of Windows 3.x and will show that it is more ambitious and advanced than that.

2025-07-03

45.

Rewriting Kafka in Rust Async: Insights and Lessons Learned in Rust | Rex Wang

wangjunfei.com/2025/06/18/Rewriting-Kafka-in-Rust-Async-Insights-and-Lessons-Learned

Rex Wangs blog

2025-03-19

40.

Comptime Zig ORM

matklad.github.io/2025/03/19/comptime-zig-orm.html

This post can be considered an advanced Zig tutorial. I will be covering some of the more unique
aspects of the language, but won't be explaining the easy part. If you haven't read the Zig
Language Reference, you might start there. Additionally,
we will also learn the foundational trick for implementing relational model.

2025-01-22

36.

Packer: How to Build NixOS 24 Snapshot on Hetzner Cloud - Developer Friendly Blog

developer-friendly.blog/blog/2025/01/20/packer-how-to-build-nixos-24-snapshot-on-hetzner-cloud

Step-by-step guide to building a NixOS 24 snapshot on Hetzner Cloud using Packer, with complete configuration files and OpenTofu deployment examples.

2024-11-27

33.

April King — Handling Cookies is a Minefield

grayduck.mn/2024/11/21/handling-cookies-is-a-minefield

Discrepancies in how browsers and libraries handle HTTP cookies, and the problems caused by such things.

2024-11-19

30.

Using Nix to Fuzz Test a PDF Parser (Part One)

mtlynch.io/nix-fuzz-testing-1

Fuzz testing is a technique for automatically uncovering bugs in software. The problem is that it’s a pain to set up. Read any fuzz testing tutorial, and the first task is an hour of building tools from source and chasing down dependencies upon dependencies.
I recently found that Nix eliminates a lot of the gruntwork from fuzz testing. I created a Nix configuration that kicks off a fuzz testing workflow with a single command.

2024-11-13

29.

What I Wish Someone Told Me About Postgres

challahscript.com/what_i_wish_someone_told_me_about_postgres

I want to try to catalog the bits that I wish someone had just told me before working with a Postgres database. Hopefully, this makes things easier for the next person going on a journey similar to mine.

2024-11-07

28.

Model Predictive Control in the browser with WebAssembly | garethx

garethx.com/posts/cart-pole-mpc

Commentary on software, robotics, and computer vision.

2024-10-18

27.

Optimizing Mandelbrot Generation with SIMD

bumbershootsoft.wordpress.com/2024/01/27/optimizing-mandelbrot-generation-with-simd

2024-09-12

23.

Computational Journalism | At the Tow Center for Digital Journalism

compjournalism.com

The course is a hands-on, research-level introduction to the areas of computer science that have a direct relevance to journalism, and the broader project of producing an informed and engaged public $100 installment loan. We study two big ideas: the application of computation to produce journalism (such as data science for investigative reporting), and journalism about areas that involve computation (such as the analysis of credit scoring algorithms.)

2024-09-07

18.

About

www.braggoscope.com/about

Explore the In Our Time archive.

2024-07-31

12.

Revealing the Inner Structure of AWS Session Tokens

medium.com/@TalBeerySec/revealing-the-inner-structure-of-aws-session-tokens-a6c76469cba7

TL;DR: A world first reverse engineering analysis of AWS Session Tokens. Prior to our research these tokens were a complete black box…

11.

Compiler Options Hardening Guide for C and C++

best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html

The Best Practices for OSS Developers working group is dedicated to raising awareness and education of secure code best practices for open source developers.

10.

Build your own SQS or Kafka with Postgres

blog.sequinstream.com/build-your-own-sqs-or-kafka-with-postgres

We're Sequin, an open source message stream built on Postgres. We think Sequin's cool, but you don't need to adopt the project to get started with streaming in Postgres. In fact, you can turn Postgres into a basic queue/stream pretty easily. Below, we share what we've learned so you

2024-07-04

5.

Finding near-duplicates with Jaccard similarity and MinHash - Made of Bugs

blog.nelhage.com/post/fuzzy-dedup

2024-06-09

1.

So You Want To Build A Browser Engine

robert.ocallahan.org/2024/06/browser-engine.html