Monitoring tutorial - IT technology blog
Posted inMonitoring

Monitoring Distributed Applications with OpenTelemetry and Jaeger: Finding Performance Bottlenecks Through Distributed Traces

Prometheus can tell you your system is slow, but finding which service in a microservices chain is the actual bottleneck requires distributed tracing. This guide walks through setting up OpenTelemetry and Jaeger, instrumenting a Python application, and reading traces to diagnose performance issues — based on real-world experience.
Network tutorial - IT technology blog
Posted inNetwork

Headscale: Self-Host Your Own Tailscale Mesh VPN Control Plane

Headscale is an open-source implementation of the Tailscale control plane that lets you self-host your entire mesh VPN management infrastructure on your own server. This guide shares hands-on experience from six months of running it in production with ~30 nodes, covering installation, configuration, and debugging NAT traversal issues.