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Deep dives on AI security, Kubernetes, DevSecOps, Linux, and practical infrastructure engineering.

AI

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.

Apr 6, 2026 · 11 min

AI

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…

Apr 4, 2026 · 18 min

Kubernetes

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…

Mar 19, 2026 · 3 min

Linux

Ghostty Terminal: Could This Be the Best Terminal Ever?

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…

Jan 5, 2025 · 5 min

DevSecOps

Dagger and GitHub Actions: Simplifying CI/CD Pipelines

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…

Oct 6, 2024 · 6 min

DevSecOps

Arch Linux on VMware: Setting Up Sway and Wayland

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…

Sep 29, 2024 · 5 min

DevSecOps

Arch Linux installation with Encryption, LVM, GNOME on VirtualBox: The Hard way

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…

Sep 22, 2024 · 8 min

DevSecOps

Cross-Platform Dotfiles with Chezmoi, Nix, Brew, and Devpod

Introduction This guide walks you through the structure and approach I've taken to manage my productivity workflow with dotfiles. My setup is…

Sep 15, 2024 · 5 min

DevSecOps

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…

Sep 8, 2024 · 5 min

Kubernetes

Homelab: Installation and Configuration of Talos on Raspberry Pi

New article! Introduction Talos is rapidly becoming the go-to operating system for Kubernetes clusters, and for good reason. As part of my ongoing…

Aug 19, 2024 · 8 min

DevSecOps

Starting Small: The Beginning of My Kubernetes Homelab Journey

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…

Aug 18, 2024 · 4 min

DevSecOps

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…

Aug 12, 2024 · 2 min

Productivity

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…

Aug 10, 2024 · 5 min