https://afa.demanou.com/A personal engineering notebook about software, systems, infrastructure, AI and things worth understanding.en© 2026 Afa'Afa'Hugohttps://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/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/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/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/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/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/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/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/posts/2024/immich-custom-css/https://afa.demanou.com/posts/2024/immich-custom-css/Fri, 02 Aug 2024 12:41:24 +0000CSS, Web, ImmichCustom CSS that restyles Immich, including a dark mode and an embedded font.https://afa.demanou.com/posts/2024/kate-lsp-client-run-pylsp-for-a-python-with-virtual-environment/https://afa.demanou.com/posts/2024/kate-lsp-client-run-pylsp-for-a-python-with-virtual-environment/Fri, 12 Apr 2024 09:58:57 +0000Python, Linux, ToolingConfigure Kate to run python-lsp-server from a project virtual environment.https://afa.demanou.com/posts/2024/traefik-healthcheck/https://afa.demanou.com/posts/2024/traefik-healthcheck/Wed, 06 Mar 2024 08:02:23 +0000Docker, Networking, TraefikAdd a healthcheck to a Traefik service in Docker Compose.https://afa.demanou.com/posts/2023/listview/https://afa.demanou.com/posts/2023/listview/Thu, 14 Dec 2023 14:59:13 +0000Vue, TypeScript, WebA reusable Vue list view with typed columns, sorting and a sticky header element.https://afa.demanou.com/posts/2023/localstorage-ts/https://afa.demanou.com/posts/2023/localstorage-ts/Mon, 13 Nov 2023 08:45:59 +0000TypeScript, WebA typed localStorage wrapper with namespaced keys and typed getters and setters.https://afa.demanou.com/posts/2023/loaderbar-vue/https://afa.demanou.com/posts/2023/loaderbar-vue/Tue, 12 Sep 2023 12:21:03 +0000Vue, CSS, WebA lightweight, themeable loading bar component for Vue.https://afa.demanou.com/posts/2023/use-rt3290-bluetooth-adapter-on-ubuntu-22-04/https://afa.demanou.com/posts/2023/use-rt3290-bluetooth-adapter-on-ubuntu-22-04/Thu, 20 Jul 2023 20:19:07 +0000Linux, NetworkingGet an RT3290 Bluetooth adapter working on Ubuntu 22.04 with the Xanmod kernel.https://afa.demanou.com/posts/2023/simple-local-storage-object-with-typings/https://afa.demanou.com/posts/2023/simple-local-storage-object-with-typings/Thu, 29 Jun 2023 08:22:35 +0000TypeScript, WebA simple typed localStorage object with namespaced keys and validated values.https://afa.demanou.com/posts/2023/offline-rest-translation-service/https://afa.demanou.com/posts/2023/offline-rest-translation-service/Tue, 09 May 2023 09:49:25 +0000Python, AI, Nix, WebAn offline REST translation service with a Nix environment and a small HTTP API.https://afa.demanou.com/posts/2023/tts-with-https-pypi-org-project-tts/https://afa.demanou.com/posts/2023/tts-with-https-pypi-org-project-tts/Thu, 20 Apr 2023 14:37:53 +0000Python, AI, TTSList the French and English voices in the TTS package and synthesise speech with them.https://afa.demanou.com/posts/2023/question-answering-with-transformers/https://afa.demanou.com/posts/2023/question-answering-with-transformers/Wed, 12 Apr 2023 18:02:50 +0000Python, AI, TransformersAnswer questions from a context with a Hugging Face question-answering pipeline.https://afa.demanou.com/posts/2023/zero-shot-classification-with-transformers/https://afa.demanou.com/posts/2023/zero-shot-classification-with-transformers/Thu, 16 Mar 2023 08:55:03 +0000Python, AI, TransformersClassify text into arbitrary labels with a zero-shot classification pipeline.https://afa.demanou.com/posts/2023/text-generation-with-gpt2/https://afa.demanou.com/posts/2023/text-generation-with-gpt2/Thu, 16 Mar 2023 03:43:23 +0000Python, AI, TransformersGenerate French text with a small GPT-2 model and Transformers.https://afa.demanou.com/posts/2023/speech-to-text-in-python/https://afa.demanou.com/posts/2023/speech-to-text-in-python/Wed, 15 Mar 2023 22:47:21 +0000Python, AI, WhisperTranscribe audio to text in Python with OpenAI's Whisper.https://afa.demanou.com/posts/2023/text-to-speech-in-python/https://afa.demanou.com/posts/2023/text-to-speech-in-python/Tue, 07 Mar 2023 05:56:43 +0000Python, AI, TTSConvert text to speech in Python with picotts and pyttsx3.https://afa.demanou.com/posts/2023/use-transformers-to-translate-english-to-french/https://afa.demanou.com/posts/2023/use-transformers-to-translate-english-to-french/Fri, 03 Mar 2023 12:45:57 +0000Python, AI, Transformers, NixTranslate English to French with a Hugging Face pipeline inside a Nix environment.https://afa.demanou.com/posts/2023/vue-elements/https://afa.demanou.com/posts/2023/vue-elements/Mon, 06 Feb 2023 14:42:09 +0000Vue, Web, CSSA set of reusable Vue 2.7 form and layout components.