RoofMan Official Blog
"If we teach today as we taught yesterday, we rob our children of tomorrow."
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The author’s Micro Data Center integrates various systems to create a personal research environment. Initially relying on Zabbix for in-depth analytics, they added Uptime Kuma for straightforward uptime checks, providing quick visibility into system status. This dual approach allows for a clear understanding of both performance and availability, ensuring reliable system awareness.
The article discusses challenges with VPN tunneling and multi-WAN aggregation, particularly the TCP-over-TCP meltdown, where throughput drops due to overlapping congestion control mechanisms. Switching to UDP-based outer tunnels resolved performance issues, improving bandwidth utilization across multiple WAN links while maintaining VPN reliability. It advises employing UDP for better aggregation outcomes.
