https://alfonsofortunato.com/ AI experiments. DevOps. Learning in public. Notes on running local models, building infrastructure, and whatever I learn along the way. Wed, 30 Sep 2026 11:22:05 GMT Wed, 30 Sep 2026 00:00:00 GMT fortunato.alfonso@proton.me (Alfonso Fortunato) https://alfonsofortunato.com/blog/why-im-betting-on-local-ai/https://alfonsofortunato.com/blog/why-im-betting-on-local-ai/OpenAI just halved its $200 plan and closed models keep adding guardrails. Why I'm betting on local AI, and how to start with quantization, inference engines, recipes and harnesses.Wed, 30 Sep 2026 00:00:00 GMT https://alfonsofortunato.com/blog/deepseek-v4-flash-vs-glm-5-3-flash-who-wins-on-a-single-spark/https://alfonsofortunato.com/blog/deepseek-v4-flash-vs-glm-5-3-flash-who-wins-on-a-single-spark/DeepSeek V4 Flash faces GLM-5.3 Flash EXL3 on one DGX Spark across tool calling, serving, and 128k-context decode benchmarks, with full measured results.Tue, 01 Sep 2026 00:00:00 GMT https://alfonsofortunato.com/blog/deepseek-v4-flash-on-a-single-dgx-spark/https://alfonsofortunato.com/blog/deepseek-v4-flash-on-a-single-dgx-spark/I ran DeepSeek V4 Flash on one DGX Spark with the MiaAI-Lab recipe, benchmarked throughput to 256k context, compared a GGUF path, and wired it into a Hermes kanban agent pipeline.Wed, 05 Aug 2026 00:00:00 GMT https://alfonsofortunato.com/blog/running-laguna-s2-1-on-dgx-spark/https://alfonsofortunato.com/blog/running-laguna-s2-1-on-dgx-spark/How I fit and serve Poolside Laguna S 2.1 on a single NVIDIA DGX Spark using NVFP4, vLLM, DFlash speculative decoding, and a hardened thinking-off configuration.Thu, 30 Jul 2026 00:00:00 GMT https://alfonsofortunato.com/blog/obsidian-pkm-llm-wiki/https://alfonsofortunato.com/blog/obsidian-pkm-llm-wiki/My Obsidian PKM setup using Karpathy's LLM wiki pattern: Claude Code maintains the wiki, and qmd handles local search without the usual RAG overhead.Mon, 06 Apr 2026 00:00:00 GMT https://alfonsofortunato.com/blog/gemma-4-e4b-vs-26b-local-benchmarks/https://alfonsofortunato.com/blog/gemma-4-e4b-vs-26b-local-benchmarks/I benchmarked Gemma 4 E4B and Gemma 4 26B locally with llama.cpp on an RTX 4070 Ti to see which one is better for local RAG, web retrieval, and grounded summaries.Sat, 04 Apr 2026 00:00:00 GMT https://alfonsofortunato.com/blog/kcna-kcsa-study-guide-a-practical-path-toward-kubeastronaut/https://alfonsofortunato.com/blog/kcna-kcsa-study-guide-a-practical-path-toward-kubeastronaut/Passed KCNA and KCSA on the road to Kubeastronaut. Here's the exact courses, mock exams, and topics that matter — especially if you already hold CKA or CKAD.Thu, 19 Mar 2026 00:00:00 GMT https://alfonsofortunato.com/blog/ghostty/https://alfonsofortunato.com/blog/ghostty/Introduction The time has finally come! Ghostty Terminal was officially released as version 1.0.0 at the end of December. I've been eagerly waiting for this fast, GPU-accelerated terminal emSun, 05 Jan 2025 00:00:00 GMT https://alfonsofortunato.com/blog/dagger/https://alfonsofortunato.com/blog/dagger/New article! Introduction Back when I first discovered Jenkins, I was so amped up that, with a Jenkinsfile and a few steps, I could set up a full-fledged CI/CD pipeline for any application. Sun, 06 Oct 2024 00:00:00 GMT https://alfonsofortunato.com/blog/arch-linux-vmware/https://alfonsofortunato.com/blog/arch-linux-vmware/Introduction This blog post is the second article in the series: "ArchLinux: The hard way". Since the release of the free version of Workstation pro 17https://blogs.vmware.com/workstation/20Sun, 29 Sep 2024 00:00:00 GMT https://alfonsofortunato.com/blog/arch-linux-virtualbox/https://alfonsofortunato.com/blog/arch-linux-virtualbox/Introduction I stumbled upon the fact that many tech enthusiasts I follow use Arch Linux as their daily driver, so I decided to give it a try. While waiting for my Framework laptop to arriveSun, 22 Sep 2024 00:00:00 GMT https://alfonsofortunato.com/blog/dotfile/https://alfonsofortunato.com/blog/dotfile/Introduction This guide walks you through the structure and approach I've taken to manage my productivity workflow with dotfiles. My setup is designed to work across both macOS and Linux disSun, 15 Sep 2024 00:00:00 GMT https://alfonsofortunato.com/blog/secret-handling/https://alfonsofortunato.com/blog/secret-handling/Secret handling has always been a pain point for me over the past few years. Most of the time, I ended up using services with features I didn't need, and even worse, wasting money on them. TSun, 08 Sep 2024 00:00:00 GMT https://alfonsofortunato.com/blog/homelab-talos/https://alfonsofortunato.com/blog/homelab-talos/New article! Introduction Talos is rapidly becoming the go-to operating system for Kubernetes clusters, and for good reason. As part of my ongoing experiments with my homelab, I decided to sMon, 19 Aug 2024 00:00:00 GMT https://alfonsofortunato.com/blog/homelab/https://alfonsofortunato.com/blog/homelab/Introduction After years of anticipation, I've finally embarked on my homelab journey. The shift to remote work post-COVID has gifted me the time to pursue this long-awaited hobby. Gone are Sun, 18 Aug 2024 00:00:00 GMT https://alfonsofortunato.com/blog/devops/https://alfonsofortunato.com/blog/devops/It's 3 PM on August 12th, and I'm sitting at my desk. Outside, the summer heat is intense, but my shutters are closed, creating a cocoon of coolness around me. Suddenly, my sister bursts intMon, 12 Aug 2024 00:00:00 GMT https://alfonsofortunato.com/blog/productive/https://alfonsofortunato.com/blog/productive/Here's what every productivity article won't tell you: reading more productivity hacks makes you less productive. I spent two years collecting tips from Atomic Habits, Deep Work, and GTD, yeSat, 10 Aug 2024 00:00:00 GMT