Posted inNetworking
DNS Sinkholing with BIND9: Kill Malware at the Network Edge
Build a network-wide DNS Sinkhole using BIND9 RPZ to block malicious domains, C2 callbacks, and ads at the source.
Posted inDatabase
PostgreSQL WAL: Production Lessons on Performance and Recovery
PostgreSQL WAL is more than just a log; it's the key to performance and data safety. Explore production-tested configurations, PITR setups, and monitoring tips.
Posted inNetworking
Hardening Linux Networks: Microsegmentation with nftables
Secure your internal network by moving beyond perimeter firewalls. Learn how to use nftables sets and chains to implement a Zero Trust microsegmentation strategy on Linux.
Posted inAI
Stop Fixing Broken Selectors: Building Resilient AI Agents with Browser Use
Learn how to build resilient AI agents using the Browser Use library and LLMs. This guide covers setup, implementation, and how to replace brittle CSS selectors with semantic AI browsing.
Posted inDatabase
Kill the Small Files Nightmare: Modernizing Data Lakehouses with Apache Iceberg
Tired of corrupted S3 folders and the 'small files' lag? Learn how Apache Iceberg brings ACID reliability, instant schema changes, and time travel to your data lakehouse.
Posted inLinux
Stop the Lag: High-Performance Remote Dev with Mutagen and Linux via SSH
Eliminate remote development lag. This guide shows you how to use Mutagen to achieve sub-100ms code synchronization between your local IDE and Linux servers over SSH.
Posted inAI
Mastering Anthropic Computer Use: Building AI Agents That Navigate the Desktop
Ditch brittle DOM selectors. Learn how to build vision-based AI agents using Anthropic's Computer Use API to automate legacy software, browsers, and desktop apps.
Posted inHomeLab
The $0 NAS: Resurrecting Old Hardware with OpenMediaVault
Don't let your data die on a single external drive. Learn how to repurpose old PCs or Raspberry Pis into a professional-grade NAS with OpenMediaVault, featuring RAID redundancy and automated health monitoring.
Posted inAI
Stop Copy-Pasting: Streamline Your Workflow with Aider AI Pair Programming
Ditch the copy-paste loop. Learn how to use Aider, a CLI tool that lets AI edit your code directly, manage git commits, and understand your entire project structure.
Posted inAI
Build a Private RAG: Secure Document Q&A with LlamaIndex and Ollama
Build a secure, high-performance RAG system on your own hardware. This guide shows you how to use LlamaIndex and Ollama to query private documents without cloud risks.