Conceptual AI-generated datacenter artwork for the Proxmox firewall tutorial; interface indicators are illustrative, not live status.

GNTECH Infrastructure Part 04: Proxmox Firewall, NAT, and Network Isolation

Protect the routing boundary before opening services: inventory firewall ownership, apply a deliberately scoped IPv4 forwarding and NAT lab, test negative paths, and keep a verified rollback.

November 1, 2026 · 10 min · 2043 words · GnTech
Conceptual night scene showing a home network rack connected to a datacenter by an encrypted tunnel.

GNTECH Infrastructure Part 05: Home-to-Hetzner Connectivity with WireGuard

Route only required workload subnets and keep host recovery outside the tunnel.

November 2, 2026 · 5 min · 959 words · GnTech
Conceptual AI-generated editorial cover for GNTECH Infrastructure Part 1; the technical architecture diagram is inside the article.

GNTECH Infrastructure Series Part 01: Design a Secure Hybrid Homelab

Before deploying routers and VMs, define trust boundaries, IP ownership, management recovery, and a testable rollout plan.

November 1, 2026 · 6 min · 1225 words · GnTech
Conceptual AI-generated editorial cover for GNTECH Infrastructure Part 3; the technical architecture diagram is inside the article.

GNTECH Infrastructure Part 03: Two MikroTik CHR Routers on Hetzner Proxmox

A staged, console-first tutorial for a Hetzner Proxmox host with two routed CHR transit networks and a separate NATed private VM LAN.

November 1, 2026 · 9 min · 1895 words · GnTech

Homelab 10GbE Networking — Hardware, MikroTik Switch Setup, and Performance Tuning

Planning a 10GbE upgrade for your homelab? From MikroTik CRS switches and SFP+ cabling to Proxmox NIC tuning, this guide covers the hardware decisions, configs, and performance optimizations you need.

June 20, 2026 · 6 min · 1131 words · GnTech

MikroTik RouterOS Container Apps — One-Click Service Deployment

Deploy containers on your MikroTik router in minutes using the new Apps catalog. Automatic firewall rules, NAT, and veth interfaces — no manual Docker setup required.

June 15, 2026 · 8 min · 1556 words · GnTech

MikroTik RouterOS 7 VRF Configuration — Multi-Tenant Network Segmentation

Configure VRFs on MikroTik RouterOS 7 for multi-tenant network segmentation. Step-by-step guide covering VRF creation, static routes, BGP VRF, route leaking between VRFs, firewall integration, and practical homelab topology examples.

June 8, 2026 · 11 min · 2219 words · GnTech

LibreNMS Docker Deployment — Complete Homelab Network Monitoring Guide

Deploy LibreNMS in Docker for complete homelab network monitoring. SNMP autodiscovery, alert rules, and dashboard setup for MikroTik routers, Proxmox hosts, and Linux servers.

June 7, 2026 · 8 min · 1602 words · GnTech

MikroTik RouterOS 7 Routing Filters — Policy-Based Routing and Route Selection

Configure MikroTik RouterOS 7 routing filters for BGP, OSPF, and policy-based routing. Real CLI examples for route maps, mangle rules, routing marks, and traffic steering.

June 4, 2026 · 9 min · 1852 words · GnTech

Prometheus SNMP Exporter — Monitoring MikroTik and Network Devices

Deploy Prometheus SNMP Exporter with Docker Compose to collect bandwidth, CPU, memory, and interface metrics from MikroTik routers and network devices. Configure SNMP v2c/v3, generate the exporter config, and visualize everything in Grafana.

June 1, 2026 · 10 min · 2063 words · GnTech