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.
- WordPress Core Under Active Exploitation: Verify the Fix and Rule Out CompromiseUpdating WordPress core is only the first step. Use this checklist to verify versions, checksums, users, cron, uploads, logs, WAF data, and rebuild criteria.
- Try Local AI Before You Buy Hardware: A Beginner Gemma and Ollama GuideA noob-friendly, step-by-step guide to trying Google's Gemma AI models on your current PC with Ollama before spending money on new hardware.
- Run Google Gemma Locally with Ollama, Open WebUI, and Codex CLIRun Google Gemma locally with Ollama and Open WebUI, then connect Codex CLI for private coding workflows. Includes Docker setup, GPU sizing, Tdarr notes, and security guidance.