Complete Guide to Building a Cross-Network Redundant Server Cluster with WireGuard Hub-and-Spoke and GlusterFS0

• Infrastructure as Code, Linux Basics, Monitoring & Logging, Networking, Package Management, Security & Hardening, Shell Scripting, System Administration, Web Servers
• January 12, 2026

Introduction: Achieving True Cross-Network Redundancy In today’s distributed computing landscape, having your infrastructure in a single location is a recipe for disaster. Power outages, network failures, natural disasters – any of these can take your entire operation offline. But what if every server in your primary data center had an identical, synchronized twin in a