Laurent Cheylus

Software engineer specialized in Cybersecurity

Linux OpenBSD FreeBSD - FOSS Contributor
Lyon (France) addict
Messages in French 🇫🇷 and English 🇬🇧

Laurent Cheyluslcheylus@bsd.network
2026-03-14

To celebrate Pi Day (March 14th) Cloud Storage Company Backblaze is helping share one of the largest Pi Calculations ever completed. The company announced a partnership with StorageReview to make 314 Trillion Digits of Pi available to the Public. nerds.xyz/2026/03/backblaze-31

Laurent Cheyluslcheylus@bsd.network
2026-03-14

Les motifs rythmiques inspirés du classique du groupe 𝗜𝗿𝗼𝗻 𝗠𝗮𝗶𝗱𝗲𝗻 - Courte chronique audio MAXXI Classique sur France Culture #Audio 🎧️ #Music 🎶 radiofrance.fr/francemusique/p

Laurent Cheyluslcheylus@bsd.network
2026-03-14

Astronomers have spotted a Galaxy using the Hubble Space Telescope, named CDG-2 (Candidate Dark Galaxy-2), which is about 300 million light-years from Earth ; they believe is made of 99.9% Dark Matter #Space edition.cnn.com/2026/03/03/sci

Laurent Cheyluslcheylus@bsd.network
2026-03-13

Turing Completeness of GNU find Unix command: from mkdir-assisted Loops to Standalone Computation #Research #ComputerTheory arxiv.org/abs/2602.20762

Laurent Cheyluslcheylus@bsd.network
2026-03-13

L'histoire incroyable du lecteur vidéo open-source VLC racontée par Jean-Baptiste Kempf - Emission « De Quoi J'me Mail » par François Sorel #VLC #OSS #Video youtu.be/gv18BSmV_xw

Laurent Cheyluslcheylus@bsd.network
2026-03-13

OpenBSD support for arm64 architecture also added in blink-cmp Neovim plugin (completion plugin with a fast fuzzy matcher written in Rust): add GitHub workflow to build binary on OpenBSD/arm64 and support in Lua code #OpenBSD #Neovim github.com/saghen/blink.cmp/pu

Laurent Cheyluslcheylus@bsd.network
2026-03-13

Progress to support EXT4 filesystem on OpenBSD: read-only support of ext4fs at 200MB/s and also read/write support at almost 500KB/s from a USB3 key drive - Work by Thomas de Grivel #OpenBSD kmx.io/blog/openbsd-ext4fs-upd

Laurent Cheyluslcheylus@bsd.network
2026-03-12

Understanding the Status and Strategies of the Code Signing Abuse Ecosystem - #Research Paper presented at the NDSS Symposium 2026 #Infosec ndss-symposium.org/ndss-paper/

Laurent Cheyluslcheylus@bsd.network
2026-03-12

L'année 2025 a été un tournant majeur dans l'usage de l'IA pour le développement logiciel, qui a amené les équipes de devs à s'adapter - Une bonne synthèse par Hugo Lassiège @hugolassiege #Coding #IA eventuallycoding.com/p/2026-02

Laurent Cheyluslcheylus@bsd.network
2026-03-12

OpenBSD support added for blink-cmp Neovim plugin (completion plugin with a fast fuzzy matcher written in Rust): add GitHub workflow to build binary on OpenBSD/amd64 and support in Lua code #OpenBSD #Neovim github.com/saghen/blink.cmp/pu

Laurent Cheyluslcheylus@bsd.network
2026-03-12

Passkeys are a modern replacement for passwords based on the WebAuthn (Web Authentication) standard. A simple Site and Web App that explains how they work and lets you try them out in your Browser - by Quentin Joly understand-passkeys-with.a-cup

Laurent Cheyluslcheylus@bsd.network
2026-03-11

Detailed Anatomy of bsd[.]rd OpenBSD file: kernel used to install, upgrade, or rescue a broken system #OpenBSD openbsdjumpstart.org/bsd.rd/

Logo and banner for OpenBSD operating system
Laurent Cheyluslcheylus@bsd.network
2026-03-11

A new European Initiative called UnifiedAttestation aims to build an open-source Alternative to Google’s Play Integrity checks, used by many banking, financial, and government Apps but not available on custom #Android ROMs androidauthority.com/custom-ro

Laurent Cheyluslcheylus@bsd.network
2026-03-11

Bases de l'Informatique quantique - Un bon article d'introduction par Sébastien Gavois chez Next (publié en 2023) #QuantumComputing next.ink/119368/informatique-q

Laurent Cheyluslcheylus@bsd.network
2026-03-11

Perplexica: an open-source and privacy-focused AI answering engine that runs entirely on your own hardware (support for Ollama) ; delivering accurate answers with cited sources while keeping your searches completely private #AI #LLM github.com/ItzCrazyKns/Perplex

Laurent Cheyluslcheylus@bsd.network
2026-03-10

How Datadog reduced the Size of its Go Binaries by up to 77%. A valuable Walkthrough of 3 Go-specific Techniques: import graph pruning, re-enabling method dead code elimination, and a linker quirk triggered by the plugin package #Go #Programming datadoghq.com/blog/engineering

Laurent Cheyluslcheylus@bsd.network
2026-03-10

Comment moderniser le déploiement d'un système Linux : OSTree pour versionner son filesystem et Bootc pour démarrer un système directement à partir d’une image de conteneur - Excellent article par Quentin Joly une-tasse-de.cafe/blog/ostree-

Laurent Cheyluslcheylus@bsd.network
2026-03-10

How to remotely unlock an encrypted Hard Disk on your Linux Server: add SSH support with dropbear in initramfs, filter incoming connections with Tailscale ACLs #Linux #SysAdmin jyn.dev/remotely-unlocking-an-

Laurent Cheyluslcheylus@bsd.network
2026-03-09

The Mimikatz Missing Manual: a very good and detailed Guide about the famous open-source Tool used for Credential Extraction on Windows #Infosec #Mimikatz darkoperator.github.io/mimikat

Laurent Cheyluslcheylus@bsd.network
2026-03-09

Le vol des données de leurs licenciés se multiplient depuis plus d'un an dans près de 30 fédérations sportives françaises. Enquête du journal L'Équipe #Hacking lequipe.fr/Tir/Article/Vol-et-

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