GNTECH
Home Services Projects Blog Knowledge Base Tools About
Español Start a Project
Home Services Projects Blog Knowledge Base Tools About
Español Start a Project

Technical Blog

Practical guides, deep dives, and infrastructure engineering insights.

Cloudflare 5 min read

Cloudflare Tunnel for the Homelab: Secure Access Without Opening Ports

A practical guide to setting up Cloudflare Tunnel (cloudflared) to expose self-hosted services through Cloudflare's edge — no open firewall ports, no static IP, no Dynamic DNS.

cloudflaretunnelhomelabnetworking
May 30, 2026
Docker 5 min read

Docker Networking for the Homelab: Bridge, Macvlan, and Reverse Proxy

A practical guide to Docker networking modes for self-hosted services — covering bridge networks, macvlan, host mode, and reverse proxy integration with Traefik.

dockernetworkingtraefikreverse-proxy
May 30, 2026
Linux 5 min read

Linux Server Hardening: What to Do After the First Boot

A practical step-by-step guide to hardening a Linux server — SSH, firewall, fail2ban, automatic updates, auditd, and AppArmor for production-ready security.

linuxsecurityhardeningssh
May 30, 2026
Proxmox 3 min read

Getting Started with Proxmox VE on Common Hardware

A practical guide to installing and configuring Proxmox VE on used enterprise or consumer hardware for your homelab.

proxmoxvirtualizationhomelablinux
May 15, 2026
GNTECH

Professional infrastructure operations with intelligent automation.

Services

  • Network Setup & Troubleshooting
  • Proxmox & Virtualization
  • Docker Deployments
  • Cloudflare & DNS

Resources

  • Blog
  • Knowledge Base
  • Tools
  • Projects

Contact

  • Start a Project
  • About

© 2026 GNTECH. All rights reserved.

RSS Sitemap