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Docker VPN & userspace Wireguard…

~6 min read · October 1, 2020 (Updated: March 31, 2023) · Free: Yes

Adventures building a vpn server

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Building a Production-Grade HA Kubernetes Cluster on a Homelab with $0 in Cloud Costs

~7 min read · March 28, 2026 (Updated: March 29, 2026) · Free: Yes

How I turned four Proxmox nodes, some enterprise surplus drives, and an afternoon into a fully...

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If You Thought Claude Max 20x Meant 20x Weekly Usage — You Were Wrong

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ITNEXT

· ~3 min read · September 3, 2026 (Updated: September 3, 2026) · Free: No

Paying double for four times the usage sounded like a no-brainer… until you realized what limit...

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How to Manage Keycloak with the Command Line: No UI Required (release 26.7.1)

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ITNEXT

· ~9 min read · August 18, 2026 (Updated: August 19, 2026) · Free: No

Step-by-step instructions for managing realms, clients, roles, and users straight from your terminal

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From Prompts to Loops: Building Autonomous Coding Agents

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ITNEXT

· ~8 min read · June 28, 2026 (Updated: June 28, 2026) · Free: No

Why developers are moving from writing prompts to writing the systems that write prompts

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This is why you should not learn to use Docker

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ITNEXT

· ~3 min read · October 11, 2025 (Updated: October 11, 2025) · Free: Yes

You&#39re a developer and you think you should "Learn to use Docker" ? Today, I&#39ll...

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TypeScript + OpenTelemetry: End-to-End Tracing from Browser to Node Without Guesswork

~6 min read · December 6, 2025 (Updated: December 8, 2025) · Free: No

How to follow a single user action from click to database query without grepping logs or guessing...

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DevOps — Logging Standards and Best Practices

~8 min read · June 25, 2024 (Updated: November 22, 2024) · Free: No

Logging is an art form, and log messages are one of the primary tools developers use to...

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Remote Code Development on Termux using VS Code and Neovim

~3 min read · December 21, 2020 (Updated: December 24, 2021) · Free: No

Overview

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From Physics Events to Real-Time Analytics with Kafka Streams

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· ~7 min read · May 21, 2026 (Updated: May 21, 2026) · Free: No

A lightweight stream processing application that transforms raw motion and collision events from...

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LiteLLM: Metrics, Traces, and VictoriaMetrics Stack Integration

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· ~13 min read · July 21, 2026 (Updated: July 21, 2026) · Free: Yes

Configuring metrics and traces from LiteLLM to VictoriaMetrics and VictoriaTraces. iteLLM...

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Ask vs guess culture

~8 min read · August 18, 2023 (Updated: August 29, 2023) · Free: No

When unreasonable requests are followed up with "but you could have just said no!"...

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AsciiDoc over Markdown

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· ~6 min read · October 30, 2025 (Updated: November 1, 2025) · Free: Yes

I taught myself HTML a long time ago, on a software called HotDog (Pro?). There wasn&#39t such a...

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From Zero to Event-Driven: Migrating a Traditional CRUD App to Axon Framework

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· ~8 min read · June 2, 2026 (Updated: June 2, 2026) · Free: No

A Step-by-Step Refactoring Journey — Same Domain, Radically Different Architecture

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Claude Code: creating Kubernetes debugging AI Agent for VictoriaMetrics

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ITNEXT

· ~32 min read · June 30, 2026 (Updated: June 30, 2026) · Free: Yes

Creating a Claude Code Marketplace and a Claude Code Plugin with a custom AI agent for Kubernetes...

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GitHub Copilot Coding Agent: The Complete Architecture Behind Agentic DevOps at Enterprise Scale

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ITNEXT

· ~13 min read · February 20, 2026 (Updated: February 20, 2026) · Free: No

How GitHub Is Replacing Solo Developers With Autonomous Agent Teams, and What That Means for Your...

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Kafka Oauth Bearer setup with OpenID Connect(OIDC) and Keycloak

Art of Data Engineering

Art of Data Engineering

· ~5 min read · February 26, 2023 (Updated: February 27, 2025) · Free: Yes

I had difficulties setting up a Kafka cluster to use SASL_PLAINTEXT/SASL_SSL OAUTHBEARER...

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Open Data Lakehouse: A Practical Guide

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· ~23 min read · August 19, 2026 (Updated: August 19, 2026) · Free: Yes

The architecture, components, and operational reality of building a production open data...

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Testing Kairos as an OS for k8s cluster

~18 min read · October 10, 2023 (Updated: October 10, 2023) · Free: Yes

The article and files to build/test Kairos OS can be found here:...

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9 Apache Spark Alternatives You Should Know in 2026

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ITNEXT

· ~18 min read · August 2, 2026 (Updated: August 2, 2026) · Free: Yes

Spark is not the only engine anymore. Here are the tools replacing it for compaction, analytics,...

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I setup Kubermatic SecureGuard before it even existed

~8 min read · March 24, 2026 (Updated: March 24, 2026) · Free: Yes

Kubermatic just released SecureGuard — an open-source secrets management platform built on...

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Maintaining Apache Iceberg Tables: Compaction, Snapshots, Metadata and Orphan Files

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ITNEXT

· ~27 min read · August 23, 2026 (Updated: August 23, 2026) · Free: Yes

The complete guide to Iceberg table maintenance — the four operations every table requires, why...

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Build your own Managed Kubernetes Service on Proxmox with CAPI

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ITNEXT

· ~14 min read · October 18, 2025 (Updated: December 22, 2025) · Free: Yes

Build your own KaaS platform on Proxmox with Cluster API.

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Data Lakehouse: Infrastructure

fresha-data-engineering

fresha-data-engineering

· ~6 min read · September 19, 2025 (Updated: September 20, 2025) · Free: Yes

Architecting a sophisticated Data Lakehouse platform on AWS, using EKS and cutting-edge...

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What Is kubara? A GitOps-First Approach to Reusable Kubernetes Platforms

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ITNEXT

· ~10 min read · July 21, 2026 (Updated: July 21, 2026) · Free: Yes

How kubara combines a declarative platform contract, a curated component catalog, and Argo CD to...

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Marp: Crafting Beautiful Presentations with Markdown

~6 min read · July 22, 2025 (Updated: October 15, 2025) · Free: No

Effortless Slides, Powerful Impact

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Using Kubernetes ConfigMaps as a Real-Time State Store

Sahibinden Technology

Sahibinden Technology

· ~7 min read · April 16, 2026 (Updated: April 16, 2026) · Free: Yes

What if your services could react to configuration changes the moment they happen — no message...

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Claude Code Agent Skills 2.0: From Custom Instructions to Programmable Agents

Towards AI

Towards AI

· ~17 min read · March 9, 2026 (Updated: March 14, 2026) · Free: No

Skills are no longer instructions. They are programs.

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Agent Data Protocol (ADP): The Missing Standard for Training LLM Agents

~4 min read · November 4, 2025 (Updated: November 4, 2025) · Free: Yes

Training large language model (LLM) agents to act intelligently in real-world environments has...

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Running Production Minded Kubernetes on a Raspberry Pi

~5 min read · February 15, 2026 (Updated: February 15, 2026) · Free: Yes

Most Kubernetes clusters are built in environments with excess capacity.

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AI Agents Don't Need Smarter Retrieval. They Need a Config Database

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ITNEXT

· ~5 min read · July 28, 2026 (Updated: July 30, 2026) · Free: Yes

Today&#39s AI agents are smart enough. They fail at Kubernetes chores anyway, because the answers...

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Dynamic And Static Health Framework (DASH) At OVHCloud

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ITNEXT

· ~21 min read · November 7, 2025 (Updated: November 7, 2025) · Free: No

Unified Quality Framework with Machine-Readable Reports and Transparent Governance

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Backup and Restore MySQL 8 Database with XtraBackup

~2 min read · November 13, 2019 (Updated: December 12, 2021) · Free: Yes

What is XtraBackup?

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This simple secret makes AI infinitely more intuitive.

AI Advances

AI Advances

· ~6 min read · December 13, 2025 (Updated: December 14, 2025) · Free: No

Once you see it this way, you&#39ll never unsee it.

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Stop AI from Hallucinating Your Kubernetes YAML

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ITNEXT

· ~6 min read · October 18, 2025 (Updated: October 18, 2025) · Free: Yes

Using a vCluster YAML MCP Server

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GitOps with Terraform using tofu-controller: Grafana and Hashicorp Vault as Code

~5 min read · January 21, 2026 (Updated: January 21, 2026) · Free: Yes

Why GitOps shouldn&#39t stop at Kubernetes.

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FrontOps. How structured logging saves you from console output chaos

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ITNEXT

· ~8 min read · October 24, 2025 (Updated: October 25, 2025) · Free: No

One library can solve all your development problems and make it predictable

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7 Data Compaction Engines for Apache Iceberg in 2026

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ITNEXT

· ~16 min read · July 10, 2026 (Updated: July 12, 2026) · Free: Yes

Compaction used to be running Spark on cron jobs. Now we have smarter options: what are they, and...

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Debugging Apache Iceberg: A Production Guide

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ITNEXT

· ~27 min read · July 19, 2026 (Updated: July 19, 2026) · Free: Yes

Apache Iceberg gives you ACID semantics, schema evolution, partition evolution, and time travel...

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Building an AI Native Developer Platform

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ITNEXT

· ~10 min read · June 12, 2026 (Updated: June 12, 2026) · Free: Yes

Developers are the primary actors in a software engineering organization — and with that top of...

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MCP 2.0 Is Mostly Deletion. That's The Good Part.

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ITNEXT

· ~14 min read · July 27, 2026 (Updated: July 28, 2026) · Free: Yes

Ok. MCP just shipped the biggest change since the day it launched, and the headline isn&#39t a...

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Getting Started With Astro — The Innovative Static Site Generator

JavaScript in Plain English

JavaScript in Plain English

· ~5 min read · July 17, 2021 (Updated: January 6, 2022) · Free: No

An SSG for multiple frameworks, minimizing the JS we ship

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We Built Google Maps for Kubernetes.

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ITNEXT

· ~14 min read · July 15, 2026 (Updated: July 16, 2026) · Free: No

The first time you look at a map of Europe, you don&#39t need a legend to know Italy is the boot-...

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Kafka Oauth Bearer OIDC setup with Azure Event Hubs and Azure Active Directory

Towards Data Engineering

Towards Data Engineering

· ~7 min read · March 4, 2023 (Updated: February 26, 2025) · Free: Yes

You can read the initial Kafka Oauthbearer OIDC Keycloak setup tutorial to have a better...

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Best Jupyter Notebook Alternatives in 2025

Pathway to Data Analysis

Pathway to Data Analysis

· ~7 min read · June 21, 2025 (Updated: June 22, 2025) · Free: No

I&#39ve been using Jupyter Notebook since 2019, when it was introduced in a cloud computing...

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