Linux Tutorials & Guides
Comprehensive, hands-on guides for Linux engineers. From fundamentals to advanced production patterns.
jq Mastery: Command-Line JSON Processing for Linux Engineers
Master jq from basic field extraction through advanced streaming, aggregation, and real-world AWS/Kubernetes workflows...
Flux Image Generation on Linux: Self-Hosted AI Art Server
Set up a self-hosted Flux image generation server on Linux. Covers ComfyUI and API-based workflows, GPU requirements,...
WireGuard Mesh VPN: Multi-Site Architecture on Linux
Build a production WireGuard mesh VPN connecting multiple sites with direct peer-to-peer tunnels, automated config...
Ollama and LangChain on Linux: Build AI Agents with Local Models
Build autonomous AI agents on Linux using LangChain and Ollama. Covers tool-calling, ReAct patterns, memory chains, and...
nftables Migration: From iptables to Production Firewalls
Complete migration guide from iptables to nftables — sets, verdict maps, NAT, brute-force protection, and production...
Ollama Docker Compose: Complete GPU Stack for Linux
Deploy Ollama with Docker Compose on Linux with full NVIDIA GPU passthrough. Covers multi-container stacks, persistent...
Generate Ansible Playbooks with Local LLMs: AI-Assisted Infrastructure as Code
Build a local CLI tool that generates Ansible playbooks from natural language using Ollama. No vendor lock-in, full...
Cockpit Web Console: Modern Linux Server Management
Deploy Cockpit for web-based Linux server management — multi-server dashboards, container management, KVM...
Sigstore, SBOMs and SLSA: Linux Supply Chain Security
Implement software supply chain security with Sigstore keyless signing, SBOM generation with Syft, vulnerability...
AI-Powered Log Analysis on Linux: Use Ollama to Parse Syslog, Journald, and Application Logs
Use Ollama and local LLMs to analyze Linux logs from journalctl, auth.log, and nginx. Includes a Python log analyzer,...
Unbound on Linux: Build a Private Recursive DNS Resolver
Deploy Unbound as a private recursive DNS resolver with aggressive caching, RPZ ad blocking, DNSSEC validation, local...
ComfyUI on a Headless Linux Server: Stable Diffusion with API Access
Install and run ComfyUI on a headless Linux server for Stable Diffusion image generation. Covers Python venv setup,...