Proxmox Backup Strategies — Vzdump, PBS, and 3-2-1 for Homelabs

Design a bulletproof backup strategy for your Proxmox homelab — vzdump scheduling, Proxmox Backup Server deployment, 3-2-1 rule with off-site replication, and automated restore testing.

May 23, 2026 · 8 min · 1661 words · GnTech

Step CA + ACME — Internal TLS Certificates for Your Homelab

Run your own internal Certificate Authority with step-ca in Docker, issue TLS certificates via ACME, integrate with Traefik for automatic renewal, and distribute the root CA to all your devices — no more self-signed certificate warnings.

May 22, 2026 · 9 min · 1899 words · GnTech

nginx-poolslip Zero-Day — NGINX RCE Vulnerability Guide for Homelabs

The nginx-poolslip zero-day RCE affects NGINX 1.31.0 with ASLR bypass. This guide covers version detection, risk assessment, practical mitigations for homelab setups, and a patch readiness plan.

May 22, 2026 · 7 min · 1309 words · GnTech

Mailcow Dockerized — Self-Hosted Email Server in Your Homelab

Full guide to deploying Mailcow Dockerized in your homelab — from Docker Compose setup and DNS records to Traefik reverse proxy, DKIM signing, and email deliverability tuning.

May 21, 2026 · 10 min · 1996 words · GnTech

Proxmox VE Security Hardening — Firewall, 2FA, and Fail2ban

A comprehensive Proxmox VE hardening guide covering firewall rules, TOTP 2FA, Fail2ban, SSH lockdown, AppArmor, and unattended upgrades — secure your hypervisor beyond default settings.

May 20, 2026 · 10 min · 2113 words · GnTech

MikroTik RouterOS 7 DNS Over HTTPS and Adlist — Block Ads Without Pi-Hole

Configure DNS over HTTPS and the built-in DNS Adlist feature on MikroTik RouterOS 7 to block ads, trackers, and malware network-wide — no Pi-hole, no extra hardware, no containers needed.

May 20, 2026 · 11 min · 2318 words · GnTech

Valkey 9.1 Docker Deployment — High-Performance Cache for Your Homelab

Complete guide to deploying Valkey 9.1 with Docker Compose — the high-performance Redis fork with new security, observability, and performance features. Covers config, ACL hardening, and connecting your homelab services.

May 20, 2026 · 8 min · 1619 words · GnTech

Docker Compose Secrets Management — .env, SOPS, and Vaultwarden for Homelabs

Practical guide to managing Docker secrets in homelab environments — from basic .env patterns to Docker Secrets, SOPS/age encryption, and programmatic vault integration. Includes real compose examples and secret rotation workflows.

May 19, 2026 · 13 min · 2690 words · GnTech

Authentik SSO With Traefik — Self-Hosted Identity Provider for Homelab

Complete guide to deploying Authentik with Docker Compose and integrating it with Traefik as a forward-auth SSO provider for centralized authentication, MFA, and access policies across all homelab services.

May 19, 2026 · 13 min · 2653 words · GnTech

Gitea Docker Deployment — Self-Hosted Git and CI/CD for Homelab

Complete guide to deploying Gitea with Docker Compose in your homelab — PostgreSQL backend, SSH passthrough, daily backups, and Gitea Actions CI/CD for automated Docker builds and deployments.

May 18, 2026 · 9 min · 1774 words · GnTech