TechGeeks Knowledge Base
Field-tested guides, checklists, and practical help for networks, security, AI workflows, Linux, homelabs, and PisoWiFi operations.
Networking
Routing, switching, wireless, monitoring, diagrams, and practical infrastructure notes from real environments.
Network Security
VPNs, firewall policy, segmentation, hardening, account protection, and defensive operations.
AI
Useful AI workflows, automation ideas, model experiments, prompt patterns, and honest implementation notes.
PisoWiFi
Portal setup, vouchers, customer guidance, hotspot operations, troubleshooting, and deployment notes.
Linux & Homelab
Servers, storage, virtualization, containers, monitoring, backups, and lab designs that build production-ready habits.
Turn the field notes into action.
The site is set up to earn through useful services and trust-building content: project help, technical cleanup, resources, and clearly disclosed gear recommendations that do not turn articles into sales pages.
Request practical help
Send the network, site, Linux, security, AI, PisoWiFi, or ISP problem you are trying to solve.
Get field notes
Follow new articles, checklists, and resource updates as the TechGeeks library grows.
Recommended gear
Use the TechGeeks gear shortlist for practical buying notes, official references, and clearly disclosed affiliate links where they make sense.
Built for practical technical decisions.
TechGeeks publishes field notes that help readers plan, configure, secure, troubleshoot, and document real systems instead of collecting generic tech news.
Editorial standard: each field note should define the problem, show tested steps, include diagrams or screenshots when useful, and end with a practical next action.
Latest Field Notes
Fresh walkthroughs, configuration notes, diagrams, scripts, and lessons from real networks, security work, homelabs, AI workflows, and PisoWiFi deployments.
- Ubiquiti Site Magic Routing: A No-Nonsense Beginner Guide to Routes, Route Injection, and Software-Defined Wide Area Network Fabric DesignSite Magic is one of those UniFi features that feels easy until the first routing problem shows up. The tunnel says it… Read more: Ubiquiti Site Magic Routing: A No-Nonsense Beginner Guide to Routes, Route Injection, and Software-Defined Wide Area Network Fabric Design
- Building a Network Digital Twin WorkflowA network digital twin is useful when it models topology, intent, policy, dependencies, and change impact. Here is a practical workflow for using it safely.
- Reverse Proxy for Media Apps: Nginx Proxy Manager, SSL, Access Lists, and SecurityA practical guide to reverse proxying Plex-adjacent admin apps with Nginx Proxy Manager, Let's Encrypt, access lists, DNS, LAN-only rules, and safer… Read more: Reverse Proxy for Media Apps: Nginx Proxy Manager, SSL, Access Lists, and Security