Docker VPN & userspace Wireguard…
Adventures building a vpn server
Building a Production-Grade HA Kubernetes Cluster on a Homelab with $0 in Cloud Costs
How I turned four Proxmox nodes, some enterprise surplus drives, and an afternoon into a fully...
If You Thought Claude Max 20x Meant 20x Weekly Usage — You Were Wrong
Paying double for four times the usage sounded like a no-brainer… until you realized what limit...
How to Manage Keycloak with the Command Line: No UI Required (release 26.7.1)
Step-by-step instructions for managing realms, clients, roles, and users straight from your terminal
From Prompts to Loops: Building Autonomous Coding Agents
Why developers are moving from writing prompts to writing the systems that write prompts
This is why you should not learn to use Docker
You're a developer and you think you should "Learn to use Docker" ? Today, I'll...
TypeScript + OpenTelemetry: End-to-End Tracing from Browser to Node Without Guesswork
How to follow a single user action from click to database query without grepping logs or guessing...
DevOps — Logging Standards and Best Practices
Logging is an art form, and log messages are one of the primary tools developers use to...
Remote Code Development on Termux using VS Code and Neovim
Overview
From Physics Events to Real-Time Analytics with Kafka Streams
A lightweight stream processing application that transforms raw motion and collision events from...
LiteLLM: Metrics, Traces, and VictoriaMetrics Stack Integration
Configuring metrics and traces from LiteLLM to VictoriaMetrics and VictoriaTraces. iteLLM...
Ask vs guess culture
When unreasonable requests are followed up with "but you could have just said no!"...
AsciiDoc over Markdown
I taught myself HTML a long time ago, on a software called HotDog (Pro?). There wasn't such a...
From Zero to Event-Driven: Migrating a Traditional CRUD App to Axon Framework
A Step-by-Step Refactoring Journey — Same Domain, Radically Different Architecture
Claude Code: creating Kubernetes debugging AI Agent for VictoriaMetrics
Creating a Claude Code Marketplace and a Claude Code Plugin with a custom AI agent for Kubernetes...
GitHub Copilot Coding Agent: The Complete Architecture Behind Agentic DevOps at Enterprise Scale
How GitHub Is Replacing Solo Developers With Autonomous Agent Teams, and What That Means for Your...
Kafka Oauth Bearer setup with OpenID Connect(OIDC) and Keycloak
I had difficulties setting up a Kafka cluster to use SASL_PLAINTEXT/SASL_SSL OAUTHBEARER...
Open Data Lakehouse: A Practical Guide
The architecture, components, and operational reality of building a production open data...
Testing Kairos as an OS for k8s cluster
The article and files to build/test Kairos OS can be found here:...
9 Apache Spark Alternatives You Should Know in 2026
Spark is not the only engine anymore. Here are the tools replacing it for compaction, analytics,...
I setup Kubermatic SecureGuard before it even existed
Kubermatic just released SecureGuard — an open-source secrets management platform built on...
Maintaining Apache Iceberg Tables: Compaction, Snapshots, Metadata and Orphan Files
The complete guide to Iceberg table maintenance — the four operations every table requires, why...
Build your own Managed Kubernetes Service on Proxmox with CAPI
Build your own KaaS platform on Proxmox with Cluster API.
Data Lakehouse: Infrastructure
fresha-data-engineering
· ~6 min read · September 19, 2025 (Updated: September 20, 2025) · Free: YesArchitecting a sophisticated Data Lakehouse platform on AWS, using EKS and cutting-edge...
What Is kubara? A GitOps-First Approach to Reusable Kubernetes Platforms
How kubara combines a declarative platform contract, a curated component catalog, and Argo CD to...
Marp: Crafting Beautiful Presentations with Markdown
Effortless Slides, Powerful Impact
Using Kubernetes ConfigMaps as a Real-Time State Store
What if your services could react to configuration changes the moment they happen — no message...
Claude Code Agent Skills 2.0: From Custom Instructions to Programmable Agents
Skills are no longer instructions. They are programs.
Agent Data Protocol (ADP): The Missing Standard for Training LLM Agents
Training large language model (LLM) agents to act intelligently in real-world environments has...
Running Production Minded Kubernetes on a Raspberry Pi
Most Kubernetes clusters are built in environments with excess capacity.
AI Agents Don't Need Smarter Retrieval. They Need a Config Database
Today's AI agents are smart enough. They fail at Kubernetes chores anyway, because the answers...
Dynamic And Static Health Framework (DASH) At OVHCloud
Unified Quality Framework with Machine-Readable Reports and Transparent Governance
Backup and Restore MySQL 8 Database with XtraBackup
What is XtraBackup?
This simple secret makes AI infinitely more intuitive.
Once you see it this way, you'll never unsee it.
GitOps with Terraform using tofu-controller: Grafana and Hashicorp Vault as Code
Why GitOps shouldn't stop at Kubernetes.
FrontOps. How structured logging saves you from console output chaos
One library can solve all your development problems and make it predictable
7 Data Compaction Engines for Apache Iceberg in 2026
Compaction used to be running Spark on cron jobs. Now we have smarter options: what are they, and...
Debugging Apache Iceberg: A Production Guide
Apache Iceberg gives you ACID semantics, schema evolution, partition evolution, and time travel...
Building an AI Native Developer Platform
Developers are the primary actors in a software engineering organization — and with that top of...
MCP 2.0 Is Mostly Deletion. That's The Good Part.
Ok. MCP just shipped the biggest change since the day it launched, and the headline isn't a...
Getting Started With Astro — The Innovative Static Site Generator
An SSG for multiple frameworks, minimizing the JS we ship
We Built Google Maps for Kubernetes.
The first time you look at a map of Europe, you don't need a legend to know Italy is the boot-...
Kafka Oauth Bearer OIDC setup with Azure Event Hubs and Azure Active Directory
You can read the initial Kafka Oauthbearer OIDC Keycloak setup tutorial to have a better...
Best Jupyter Notebook Alternatives in 2025
I've been using Jupyter Notebook since 2019, when it was introduced in a cloud computing...