~betterdevlink | Bookmarks (178)

Linux Routing Fundamentals Routing table define what what happens when an IP packet is sent from or through a Linux box. But the simplify is which destination a package should send to? how do your computer know that a LAN ip need to send to othe laptop, and the rest go out to internet?

Behind the scenes with Stream Live, Cloudflare’s live streaming service Stream Live accepts audio/video content from broadcasters and makes that content available to viewers around the world in real time through the Cloudflare network. This post look into how they build broadcast ingestion with RTMPS, SRT, WHIP and Spectrum. The data is converted and store in their Durable Object, then serve to viewer through...

go-haystack Track personal Bluetooth devices via Apple’s “Find My” network using OpenHaystack and Macless-Haystack with tools written in Go/TinyGo. No Apple hardware required!

MegaParse File Parser optimised for LLM Ingestion with no loss 🧠 Parse PDFs, Docx, PPTx in a format that is ideal for LLMs.

vanir a source code-based static analysis tool that automatically identifies the list of missing security patches in the target system. By default, Vanir pulls up-to-date CVEs from Open Source Vulnerabilities (OSV) together with their corresponding signatures so that users can transparently scan missing patches for an up-to-date list of CVEs.

OpenGFW OpenGFW is a flexible, easy-to-use, open source implementation of GFW (Great Firewall of China) on Linux

Pig: The Postgres Extension Wizard Ever wished installing or upgrading PostgreSQL extensions didn’t feel like digging through outdated readmes, cryptic configure scripts, or random GitHub forks & patches? The painful truth is that Postgres’s richness of extension often comes at the cost of complicated setups—especially if you’re juggling multiple distros or CPU architectures. Enter Pig, a Go-based package manager built to tame Postgres and...

music-metadata Stream and file based music metadata parser for node. Supporting a wide range of audio and tag formats.

Demystifying git submodules Throughout my career, I have found git submodules to be a pain. Because I did not understand them, I kept getting myself into frustrating situations. So, I finally sat down and learned how git tracks submodules. Turns out, it’s not complex at all. It’s just different from how git tracks regular files. It’s just one more thing you have to learn.

quill Simple mac binary signing and notarization from any platform (replacing the codesign utility for simple use cases).

Diving into eBPF: Building a Process Tracer from Scratch Today i want to share a story about how i ended up writing a simple process tracer for linux. Using eBPF in go to fix a github actions which i actually didn’t need. We will go over each piece and hopefully you will learn something form it.

Writing down (and searching through) every UUID Most of time you see UUID re-present as text based, but it’s actually a 128 bit integer. The OP makes everyuuid.com to display both the number and text based of every single UUID. They share the challenge of rendering, ordering an searching.

What you need to know about SQLite A compilation of lessons about what the SQLite database engine can and cannot do. It’s written for Rails, but you can apply all the lessons to use SQLite generally.

Deletes are difficult We tend to optimize db for insert and select, and overlook delete. At first glance, the DELETE command seems straightforward. But more ofthen than not on production the delete break down. We’ll uncover why DELETE operations demand careful consideration and explore how to handle them effectively

The Case for Shared Storage If you operate Kafka, you know how important the storage layer is. In K8S, when a pod went down, and come back up, we need o make sure the storage is mounted to the same node, lead to slowness of pod because it needs to detach and re-attach volume. WarpStream is essentially serverless Kafka. They aim to solve this...

Using Transformers.js for AI in the Browser A practical journey to use transformersjs.js to perform ML task directly in browser.

go-taglib This project is a Go library for reading and writing audio metadata tags. It provides a portable solution with no external dependencies required, thanks to an embedded WASM binary. The most interesting part is WASM. So there is no CGO invoke at all even though taglib is a C++ codebase. A very interesting approach