https://afa.demanou.com/A personal engineering notebook about software, systems, infrastructure, AI and things worth understanding.en© 2026 Afa'Sébastien DemanouHugoSun, 27 Sep 2026 02:43:42 +0000https://afa.demanou.com/posts/2026/seto-a-small-orchestrator-for-heterogeneous-docker-clusters/https://afa.demanou.com/posts/2026/seto-a-small-orchestrator-for-heterogeneous-docker-clusters/Fri, 25 Sep 2026 14:50:00 +0000Docker, Networking, Security, Hardware, Traefik, Linux, PythonOrchestrating Docker Swarm and Compose deployments with hardware-aware placement, NFS storage and Traefik integration.https://afa.demanou.com/projects/seto/https://afa.demanou.com/projects/seto/Fri, 25 Sep 2026 00:00:00 +0000cli, devops, docker, docker-compose, docker-swarm, infrastructure, nfs, orchestration, Python, storageAn orchestrator for Docker Swarm and Compose deployments with device targeting and automated NFS storage provisioninghttps://afa.demanou.com/posts/2026/building-a-complete-ai-engineering-team-with-dsh-agent-presets/https://afa.demanou.com/posts/2026/building-a-complete-ai-engineering-team-with-dsh-agent-presets/Sun, 20 Sep 2026 13:30:40 +0000AI, DSH, ToolingBuild a multi-agent AI engineering workflow with DSH agent presets.https://afa.demanou.com/projects/oremi-device/https://afa.demanou.com/projects/oremi-device/Sun, 20 Sep 2026 00:00:00 +0000audio, home-assistant, microphone, mqtt, oremi, pyaudio, Python, smart-home, speech-to-text, stt, transcription, voice-assistant, wakewordAudio capture service for the Oremi smart home ecosystem with wake word detection, speech transcription, and Home Assistant integration via MQTT.https://afa.demanou.com/posts/2026/taking-oremi-izwi-to-the-gpu-what-we-learned-from-a-deep-tts-performance-investigation/https://afa.demanou.com/posts/2026/taking-oremi-izwi-to-the-gpu-what-we-learned-from-a-deep-tts-performance-investigation/Sat, 19 Sep 2026 13:17:42 +0000AI, GPU, Python, TTSA deep performance investigation into moving the Oremi Izwi text-to-speech service to the GPU.https://afa.demanou.com/projects/calllink/https://afa.demanou.com/projects/calllink/Sat, 19 Sep 2026 00:00:00 +0000callink, ephemeral, fastapi, privacy, REST API, TypeScriptCallLink is a lightweight, privacy-oriented web application for creating temporary links for real-time calls.https://afa.demanou.com/projects/oremi-akorin/https://afa.demanou.com/projects/oremi-akorin/Sat, 19 Sep 2026 00:00:00 +0000home assistant, Python, voice assistantNatural-language gateway for the Oremi ecosystem, routing HTTP and MQTT requests to the appropriate AI-powered services.https://afa.demanou.com/projects/oremi-izwi/https://afa.demanou.com/projects/oremi-izwi/Sat, 19 Sep 2026 00:00:00 +0000piper, Python, text-to-speech, ttsHigh-performance Text-to-Speech (TTS) REST API service for the Oremi ecosystem.https://afa.demanou.com/projects/oremi-andika/https://afa.demanou.com/projects/oremi-andika/Sat, 19 Sep 2026 00:00:00 +0000automatic speech recognition (ASR), Python, speech-to-text, sttEmpowering seamless transcription with cutting-edge STT (Speech-to-Text) technology, revolutionizing interaction through accurate speech recognition.https://afa.demanou.com/posts/2026/docker-swarm-how-to-fix-error-creating-vxlan-interface-file-exists/https://afa.demanou.com/posts/2026/docker-swarm-how-to-fix-error-creating-vxlan-interface-file-exists/Fri, 18 Sep 2026 14:58:47 +0000Docker, NetworkingFix Docker Swarm overlay networks failing with 'error creating vxlan interface: file exists'.https://afa.demanou.com/projects/image-downloader/https://afa.demanou.com/projects/image-downloader/Mon, 07 Sep 2026 00:00:00 +0000download, downloader, image, JavaScript, nodejsA Node module for downloading image to disk from a given URLhttps://afa.demanou.com/projects/bluegate/https://afa.demanou.com/projects/bluegate/Sun, 23 Aug 2026 00:00:00 +0000bluetooth, Device Manager, gateway, PythonBlueGate is a Bluetooth gateway and device manager focused on exposing Bluetooth operations to external systems through a lightweight HTTP service.https://afa.demanou.com/projects/oremi-isakoso/https://afa.demanou.com/projects/oremi-isakoso/Tue, 11 Aug 2026 00:00:00 +0000agent, AI, iot, llm, mcp, mqtt, oremi, Python, smarthome, zigbee, zigbee2mqttMCP server for controlling Zigbee2MQTT smart home devices.https://afa.demanou.com/projects/oremi-isinmi-agent/https://afa.demanou.com/projects/oremi-isinmi-agent/Tue, 11 Aug 2026 00:00:00 +0000AI, ai-agents, alerts, calendar, oremi, PythonEncrypted reminders, scheduling, tags, SSE, and natural language agent API.https://afa.demanou.com/projects/oremi-ojo/https://afa.demanou.com/projects/oremi-ojo/Tue, 11 Aug 2026 00:00:00 +0000agent, air-quality, forecast, geocoding, pollen, Python, weatherA comprehensive climate agent for weather forecasts, geocoding, and pollen data.https://afa.demanou.com/projects/filigrane/https://afa.demanou.com/projects/filigrane/Thu, 23 Jul 2026 00:00:00 +0000filigrane, flatpak, gnome, libadwaita, pdf, Python, watermarkFiligrane is a modern application designed to apply elegant vector text or high-resolution image watermarks to PDF documents quickly and securely.https://afa.demanou.com/projects/oremi-kansa/https://afa.demanou.com/projects/oremi-kansa/Thu, 23 Jul 2026 00:00:00 +0000PythonOremi Kànsà is an MCP server for discovering podcasts through thehttps://afa.demanou.com/projects/oremi-rediyo/https://afa.demanou.com/projects/oremi-rediyo/Thu, 23 Jul 2026 00:00:00 +0000agent, AI, llm, mcp, oremi, Python, radioAn MCP server for discovering public radio stations and stream URLs through Radio Browser.https://afa.demanou.com/projects/oremi-ohunerin/https://afa.demanou.com/projects/oremi-ohunerin/Thu, 23 Jul 2026 00:00:00 +0000Python, sound detection, wakewordReal-time ambient sound and wake word detection.https://afa.demanou.com/projects/pixie/https://afa.demanou.com/projects/pixie/Mon, 13 Jul 2026 00:00:00 +0000RustPixie is a modern, lightweight image processor for everyday edits. It provides focused tools for cropping, resizing, cleaning metadata, removing backgrounds, …https://afa.demanou.com/projects/oremi-isinmi-agent-legacy/https://afa.demanou.com/projects/oremi-isinmi-agent-legacy/Sat, 04 Jul 2026 00:00:00 +0000agent, calendar, Python, schedulerA smart scheduler for alarms, timers, reminders, and calendar events, powered by local LLMs.https://afa.demanou.com/projects/oremi-ohunerin-listener/https://afa.demanou.com/projects/oremi-ohunerin-listener/Sat, 13 Jun 2026 00:00:00 +0000home assistant, mqtt, Python, sound detection, wakewordOremi Ohunerin Listener bridges Oremi Ohunerin's real-time audio detection with MQTT, enabling seamless integration into home automation systems like Home …https://afa.demanou.com/projects/oremi-injini/https://afa.demanou.com/projects/oremi-injini/Thu, 11 Jun 2026 00:00:00 +0000NLP(Natural Language Process), PythonThe NLP powerhouse of the Oremi personal assistant, revolutionizing interaction through advanced natural language understanding.https://afa.demanou.com/projects/oremi-kansa-agent/https://afa.demanou.com/projects/oremi-kansa-agent/Tue, 09 Jun 2026 00:00:00 +0000LLMs, natural-language-processing, podcast, PythonA natural language API that delivers podcast info for the Oremi Personal Assistant.https://afa.demanou.com/projects/oremi-rediyo-agent/https://afa.demanou.com/projects/oremi-rediyo-agent/Tue, 09 Jun 2026 00:00:00 +0000llama, natural-language-processing, PythonA natural language API that returns radio stream info for the Oremi Assistant.https://afa.demanou.com/projects/vue-jsonschema/https://afa.demanou.com/projects/vue-jsonschema/Thu, 05 Mar 2026 00:00:00 +0000jsonschema, TypeScript, vuejsConvert Vue component props to JSON Schemahttps://afa.demanou.com/projects/vuedoc-test-utils/https://afa.demanou.com/projects/vuedoc-test-utils/Thu, 12 Feb 2026 00:00:00 +0000TypeScriptComponent testing utils for Vuedoc.https://afa.demanou.com/projects/vuedoc-parser/https://afa.demanou.com/projects/vuedoc-parser/Thu, 12 Feb 2026 00:00:00 +0000doc, documentation, JavaScript, parser, vue, vuedocGenerate a JSON documentation for a Vue componenthttps://afa.demanou.com/projects/traefik-http-provider/https://afa.demanou.com/projects/traefik-http-provider/Mon, 06 Oct 2025 00:00:00 +0000PythonTraefik HTTP-Provider is a REST service that allows external services to register and expose their Traefik HTTP provider JSON content.https://afa.demanou.com/posts/2025/fixing-docker-swarm-startup-failures-on-debian-13-due-to-network-timing/https://afa.demanou.com/posts/2025/fixing-docker-swarm-startup-failures-on-debian-13-due-to-network-timing/Sat, 27 Sep 2025 14:32:33 +0000Docker, Linux, NetworkingDiagnose and fix Docker Swarm failing to start on Debian 13 when the network is not ready at boot.https://afa.demanou.com/posts/2025/installing-nvidia-drivers-and-cuda-12-6-on-debian-13-rtx-5070/https://afa.demanou.com/posts/2025/installing-nvidia-drivers-and-cuda-12-6-on-debian-13-rtx-5070/Sat, 27 Sep 2025 12:22:10 +0000Linux, GPU, CUDA, DockerInstall NVIDIA drivers, CUDA 12.6 and Docker GPU support on Debian 13 for an RTX 5070.https://afa.demanou.com/projects/ghost-api-proxy/https://afa.demanou.com/projects/ghost-api-proxy/Sun, 20 Jul 2025 00:00:00 +0000TypeScriptA lightweight Bun-based proxy server for the Ghost Admin API that handles authentication and adds necessary headers for publishing posts. Designed to work …https://afa.demanou.com/posts/2025/streamlining-git-commits-with-ai-using-ollama-commit-extension-for-better-conventional-commits/https://afa.demanou.com/posts/2025/streamlining-git-commits-with-ai-using-ollama-commit-extension-for-better-conventional-commits/Sat, 19 Jul 2025 02:10:26 +0000Git, AI, OllamaUse the Ollama commit extension to generate Conventional Commit messages locally with an LLM.https://afa.demanou.com/projects/node-red-contrib-feedparser-plus/https://afa.demanou.com/projects/node-red-contrib-feedparser-plus/Wed, 02 Jul 2025 00:00:00 +0000feedparser, JavaScript, NodeRED, redisA Node-RED node to get RSS Atom feeds with persistence (redis) layerhttps://afa.demanou.com/projects/telegram-chatid-fetcher/https://afa.demanou.com/projects/telegram-chatid-fetcher/Sun, 15 Jun 2025 00:00:00 +0000Python, telegram, telegram-botA lightweight CLI tool to get the Telegram channel or group chat ID using a bot token.https://afa.demanou.com/projects/node-red-contrib-ghost-client/https://afa.demanou.com/projects/node-red-contrib-ghost-client/Fri, 13 Jun 2025 00:00:00 +0000JavaScriptA Node-RED node package providing nodes to interact with the Ghost Admin APIhttps://afa.demanou.com/projects/html-to-markdown-nodered-node/https://afa.demanou.com/projects/html-to-markdown-nodered-node/Wed, 11 Jun 2025 00:00:00 +0000JavaScriptA Node-RED node that converts HTML content into Markdown format.https://afa.demanou.com/projects/oremi-idatha/https://afa.demanou.com/projects/oremi-idatha/Fri, 23 May 2025 00:00:00 +0000PythonOremi Idatha is an essential RESTful module within the Oremi Personal Assistant, designed to facilitate seamless interactions with the Oremi database.https://afa.demanou.com/posts/2025/crafting-clear-fastapi-docstrings-for-openapi-a-human-centered-approach/https://afa.demanou.com/posts/2025/crafting-clear-fastapi-docstrings-for-openapi-a-human-centered-approach/Mon, 12 May 2025 09:08:12 +0000Python, FastAPI, WebWrite FastAPI docstrings that produce clear, human-centred OpenAPI documentation.https://afa.demanou.com/posts/2025/how-to-fix-the-swarm-does-not-have-a-leader-in-docker-swarm/https://afa.demanou.com/posts/2025/how-to-fix-the-swarm-does-not-have-a-leader-in-docker-swarm/Sun, 04 May 2025 06:55:41 +0000Docker, NetworkingRecover a Docker Swarm cluster that has lost quorum and reports that the swarm has no leader.https://afa.demanou.com/projects/ancient-calendar/https://afa.demanou.com/projects/ancient-calendar/Tue, 22 Apr 2025 00:00:00 +0000PythonGet information about the ancient Egyptian calendar.https://afa.demanou.com/posts/2025/how-to-disable-the-nouveau-kernel-driver-for-nvidia-graphics-cards-in-fedora-41/https://afa.demanou.com/posts/2025/how-to-disable-the-nouveau-kernel-driver-for-nvidia-graphics-cards-in-fedora-41/Sat, 22 Mar 2025 08:25:44 +0000Linux, GPUDisable the Nouveau kernel driver on Fedora 41 before installing the NVIDIA proprietary driver.https://afa.demanou.com/posts/2025/chatgpt-v2-personality-prompt/https://afa.demanou.com/posts/2025/chatgpt-v2-personality-prompt/Wed, 19 Mar 2025 15:50:23 +0000AIA v2 system prompt that gives ChatGPT a stable, reusable personality and operating style.https://afa.demanou.com/projects/logto-proxy/https://afa.demanou.com/projects/logto-proxy/Sun, 16 Mar 2025 00:00:00 +0000Forward Proxy, Logto, PythonA forward authentication proxy that integrates with the Logto Identity Providerhttps://afa.demanou.com/posts/2025/introduction-to-nix-shell-simplifying-development-environments/https://afa.demanou.com/posts/2025/introduction-to-nix-shell-simplifying-development-environments/Thu, 13 Mar 2025 09:02:52 +0000Nix, ToolingAn introduction to nix-shell for reproducible development environments.https://afa.demanou.com/posts/2025/introduction-to-devbox-simplify-development-environments-with-jetify/https://afa.demanou.com/posts/2025/introduction-to-devbox-simplify-development-environments-with-jetify/Thu, 13 Mar 2025 08:45:00 +0000Devbox, ToolingAn introduction to Devbox for reproducible, per-project development environments.https://afa.demanou.com/posts/2025/introduction-to-holehe-a-powerful-tool-for-email-reconnaissance/https://afa.demanou.com/posts/2025/introduction-to-holehe-a-powerful-tool-for-email-reconnaissance/Thu, 13 Mar 2025 08:40:18 +0000Security, PythonAn introduction to Holehe, a Python tool that checks where an email address is registered.https://afa.demanou.com/projects/vikela/https://afa.demanou.com/projects/vikela/Mon, 17 Feb 2025 00:00:00 +0000authentication, authentication proxy, JWT Authentication, oauth2, proxy-auth, PythonVikela sets up a robust authentication system to secure backend services using an authentication provider and various proxy middleware solutions such as …https://afa.demanou.com/projects/oremi-core/https://afa.demanou.com/projects/oremi-core/Sat, 01 Feb 2025 00:00:00 +0000core, PythonThe cornerstone of the Oremi ecosystemhttps://afa.demanou.com/projects/oremi-player/https://afa.demanou.com/projects/oremi-player/Thu, 16 Jan 2025 00:00:00 +0000C++, vlcOremi Player is a VLC audio server. It can be combined with