DevopsFortunato
Open for work Work with me
Work with me Experience Writing Notes Projects Certifications Start a conversation

INDEX / 2026Writing & work

Every field note,
indexed.

18 articles on local AI, Kubernetes, Linux, security and learning, plus 4 notes, 5 projects and 6 certifications. Articles and notes are local. The source projects are ported here; the two newest projects open on GitHub.

  • 18articles
  • 3topics
  • 4notes
  • 5projects
  • 6credentials
Open for work Need a platform engineer who ships? Kubernetes, DevSecOps, platform engineering. Full-time, contract or collaboration. Work with me

01 Archive

All writing

18 articles

9 min read One DGX Spark, four ways to serve Qwen3.8-Flash-Next I served Qwen3.8-Flash-Next four ways on one DGX Spark. Answer quality is close. Speed, memory and structured output are not. LLMQwen3.8-Flash-NextDGX SparkvLLM 19 min read Why I'm Betting on Local AI (and How You Can Start) 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. LLMLocal AIDGX SparkQuantization 4 min read 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. LLMDeepSeek V4 FlashGLM-5.3DGX Spark 12 min read 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. LLMDeepSeek V4 FlashDGX SparkNVIDIA 9 min read Running Laguna S 2.1 on a 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. LLMLaguna S 2.1DGX SparkNVIDIA 11 min read My Obsidian PKM Setup: Karpathy's LLM Wiki + Claude Code + Local Search 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. obsidianpkmknowledge-managementllm 18 min read Gemma 4 E4B vs 26B on an RTX 4070 Ti: Benchmarks, RAG, and a Real Webapp Test 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. LLMGemma 4llama.cppLocal AI 3 min read How I Passed KCNA and KCSA — And What to Actually Study 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. KubernetesKCNAKCSAKubeastronaut 5 min read Ghostty Terminal: Could This Be the Best Terminal Ever? 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 emulator to… ghosttyterminal-emulatorzigneovim 6 min read Dagger and GitHub Actions: Simplifying CI/CD Pipelines 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. But over time, that… devopscicdpipelinedagger 5 min read Arch Linux on VMware: Setting Up Sway and Wayland This blog post is the second article in the series: "ArchLinux: The hard way". Since the release of the free version of Workstation pro 17, I wanted to try out the product and see how it… devopslinuxarchvirtualbox 8 min read Arch Linux installation with Encryption, LVM, GNOME on VirtualBox: The Hard way 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 arrive, I set up a… devopslinuxarchvirtualbox 5 min read Cross-Platform Dotfiles with Chezmoi, Nix, Brew, and Devpod 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 distros,… devopsdotfilechezmoibitwarden 5 min read Simplifying Secret Management with Azure Key Vault and External Secret Operator 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.… devopshomelabsecretsazure 8 min read Homelab: Installation and Configuration of Talos on Raspberry Pi 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 see if the hype was… devopshomelabraspberrytalos 4 min read Starting Small: The Beginning of My Kubernetes Homelab Journey 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 the days of… devopshomelabraspberrysynology 2 min read Code, Clusters, and Gelato: A DevOps Summer Story 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… devopsmemessummer 5 min read How to be productive in the post covid era 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,… productivefocustime managementproductivity

02 Working notes

The zettelkasten

~/notes — all 4 entries
  1. Bat > Cat Bat replaces cat
  2. Starship on Zsh Starship configuration on ZSH
  3. Tmuxinator Tmuxinator config
  4. Kubectl cp command Handy kubectl command to copy container content between pods
notes are living documents sorted by newest

03 Projects

Built in the open

Side project

Sparkfire

Local-first AI workspace for one DGX Spark: OCR, speech, translation, image and video generation, mind maps and chat on your own models.

DGX SparkLocal AITypeScriptReact
GitHub project

Open source

Note CLI

Command-line tool for managing and organizing notes efficiently from the terminal.

CLIProductivityNote Taking
GitHub Project

04 Certifications

Receipts

CKA Certified Kubernetes Administrator CNCF · 2023 CKAD Certified Kubernetes Application Developer CNCF · 2024 KCNA Kubernetes and Cloud Native Associate CNCF · 2026 KCSA Kubernetes and Cloud Native Security Associate CNCF · 2026 SNYK Snyk Certified Technical Professional Snyk · 2024 SKH Sysdig Kraken Hunter Sysdig · 2024

Ported from devopsfortunato/alfonsofortunato.com at 526b447 on 19 Oct 2026. Writing and notes live here. Source projects are ported locally; newer GitHub projects link to their repositories.

Search the site

esc

Jump to

    ↑↓ to navigate ↵ to open esc to close