https://blog.lesfourmisduweb.org/en/ An IT tech blog (and more) en Sun, 13 Sep 2026 00:00:00 +0000 https://blog.lesfourmisduweb.org/en/nginx-chacha20-old-cpu/ https://blog.lesfourmisduweb.org/en/nginx-chacha20-old-cpu/ Sun, 13 Sep 2026 00:00:00 +0000 Hello everyone, In my previous article , I talked about my famous VLC server running on an old 0.8 GHz CPU . At first, I quickly noticed that the throughput was not that great . S… https://blog.lesfourmisduweb.org/en/interface-web-airsend/ https://blog.lesfourmisduweb.org/en/interface-web-airsend/ Sat, 29 Aug 2026 00:00:00 +0000 Hi everyone, I use a Devmel AirSend Duo to control my roller shutters. The device works very well locally, but it does not provide a complete web interface hosted directly on the… https://blog.lesfourmisduweb.org/en/streaming-video-vlc-xspf-nginx/ https://blog.lesfourmisduweb.org/en/streaming-video-vlc-xspf-nginx/ Thu, 27 Aug 2026 00:00:00 +0000 Hi everyone, I have a small personal server that is definitely not a powerhouse: 0.8 GHz CPU and 4 GB of RAM . At some point, I thought it would be useful to also use it to watch… https://blog.lesfourmisduweb.org/en/letsencrypt-actalis/ https://blog.lesfourmisduweb.org/en/letsencrypt-actalis/ Fri, 07 Aug 2026 00:00:00 +0000 Hello everyone, To try another certificate authority, I replaced some of my Let’s Encrypt TLS certificates with free certificates issued by Actalis . The issuance and deployment p… https://blog.lesfourmisduweb.org/en/windows-to-linux-enterprise/ https://blog.lesfourmisduweb.org/en/windows-to-linux-enterprise/ Sat, 07 Feb 2026 00:00:00 +0000 Windows to Linux in the Enterprise: building the “sysadmin bundle” Migrating from Windows to Linux in a company is not the same thing as what a home user does on a personal laptop… https://blog.lesfourmisduweb.org/en/migrated-wordpress-to-static-markdown-python/ https://blog.lesfourmisduweb.org/en/migrated-wordpress-to-static-markdown-python/ Sun, 01 Feb 2026 00:00:00 +0000 For a long time, my blog ran on WordPress . It works great, but I no longer needed the whole “machine”: database, plugins, updates, attack surface, etc. I wanted something that is… https://blog.lesfourmisduweb.org/en/adcs-linux/ https://blog.lesfourmisduweb.org/en/adcs-linux/ Wed, 24 Sep 2025 00:00:00 +0000 Hello everyone, I started a new project on my GitHub — an ADCS server written in Python. This project comes from a simple observation: some customers need automatic enrollment on… https://blog.lesfourmisduweb.org/en/azure-ad-connect-and-openldap/ https://blog.lesfourmisduweb.org/en/azure-ad-connect-and-openldap/ Wed, 17 May 2023 00:00:00 +0000 Hello everyone, another quick post, In my previous article I present to you an azure ad connect samba4 script written in python and which works under linux to synchronize your use… https://blog.lesfourmisduweb.org/en/azure-ad-connect-samba4-2/ https://blog.lesfourmisduweb.org/en/azure-ad-connect-samba4-2/ Sat, 06 May 2023 00:00:00 +0000 Hello It’s been a long time since I’ve written on this blog. Recently I came across several articles about how active directory password synchronization works with azure ad connec… https://blog.lesfourmisduweb.org/en/decouverte-rpyc/ https://blog.lesfourmisduweb.org/en/decouverte-rpyc/ Sat, 27 Jun 2020 00:00:00 +0000 Not long ago I discovered RPyC: https://rpyc.readthedocs.io/en/latest/ It’s a handy tool to control remote machines over SSH. Why not use Ansible? It’s simply a different approach… https://blog.lesfourmisduweb.org/en/la-generalisation-du-filtrage-mitm/ https://blog.lesfourmisduweb.org/en/la-generalisation-du-filtrage-mitm/ Sat, 27 Jun 2020 00:00:00 +0000 During my many trips, I’ve noticed that MITM SSL inspection by firewalls is increasingly common in companies and public organizations. So I decided to talk about it. Background Le… https://blog.lesfourmisduweb.org/en/samba4-password-synchro/ https://blog.lesfourmisduweb.org/en/samba4-password-synchro/ Sun, 09 Dec 2018 00:00:00 +0000 Hello everyone, A quick post to announce that I finally looked again at password synchronization with Samba4. Password sync with Google Apps: https://github.com/sfonteneau/samba4-… https://blog.lesfourmisduweb.org/en/gitea-solution-simple-pour-faire-du-versioning/ https://blog.lesfourmisduweb.org/en/gitea-solution-simple-pour-faire-du-versioning/ Wed, 05 Dec 2018 00:00:00 +0000 A quick post to introduce a tool I’ve been discovering lately: Gitea . What is Gitea? A no‑nonsense, self‑hosted Git service. Why not GitLab? Sure, GitLab is more complete: https:… https://blog.lesfourmisduweb.org/en/seafile-solution-differente/ https://blog.lesfourmisduweb.org/en/seafile-solution-differente/ Wed, 31 Jan 2018 00:00:00 +0000 Recently I talked about Nextcloud. Today: Seafile . Seafile has a different vision. Where Nextcloud provides a plugin system and aims to be versatile, Seafile focuses on the core:… https://blog.lesfourmisduweb.org/en/outils-dedition-collaborative-auto-hebergee/ https://blog.lesfourmisduweb.org/en/outils-dedition-collaborative-auto-hebergee/ Sun, 06 Aug 2017 00:00:00 +0000 Everyone knows Google Docs or Office Online. These tools are widely used in schools: a group of students can work together on the same document in real time from their own compute… https://blog.lesfourmisduweb.org/en/laps-pvlan-partages-administratifs-limiter-attaques-laterales/ https://blog.lesfourmisduweb.org/en/laps-pvlan-partages-administratifs-limiter-attaques-laterales/ Mon, 03 Jul 2017 00:00:00 +0000 Summary A new effective ransomware showed up: NotPetya . Let’s look at how it spreads and what we can do to harden networks accordingly. Microsoft article detailing the attack: ht… https://blog.lesfourmisduweb.org/en/apache-guacamole-alternative-au-vpn-pour-vos-utilisateurs/ https://blog.lesfourmisduweb.org/en/apache-guacamole-alternative-au-vpn-pour-vos-utilisateurs/ Thu, 29 Jun 2017 00:00:00 +0000 A quick introduction to a product that many blogs already talk about. Guacamole provides your users with a centralized web interface for RDP , VNC and SSH connections. In my case,… https://blog.lesfourmisduweb.org/en/securites-mes-preconisations/ https://blog.lesfourmisduweb.org/en/securites-mes-preconisations/ Sat, 13 May 2017 00:00:00 +0000 Hello everyone… Here are some security recommendations for your networks. I’m aware not everything is applicable everywhere. Protection against Internet‑facing attacks Review your… https://blog.lesfourmisduweb.org/en/solution-de-parfeu-simple-efficace/ https://blog.lesfourmisduweb.org/en/solution-de-parfeu-simple-efficace/ Mon, 20 Mar 2017 00:00:00 +0000 A quick post to introduce a simple and effective solution. In general we all agree iptables is reliable and powerful… but the syntax can be painful. I discovered Shorewall at my n… https://blog.lesfourmisduweb.org/en/gestion-wapt-all-in-one-package/ https://blog.lesfourmisduweb.org/en/gestion-wapt-all-in-one-package/ Sat, 17 Dec 2016 00:00:00 +0000 Hi — it’s been a while! Today, a WAPT post 🙂 I’d like to manage WAPT in a different way. Let’s forget the console for 30 seconds and create a WAPT package that installs… WAPT pack…