Start here if OpenTelemetry, OTLP, and the Collector are still new vocabulary.
What is OpenTelemetry?
A plain-English guide to OTel, the Collector, instrumentation, and observability backends.
What is OTLP?
Understand the OpenTelemetry Protocol, HTTP vs gRPC transport, endpoints, and headers.
OpenTelemetry signal types
Learn how logs, traces, metrics, and resource attributes work together.
OTLP HTTP vs gRPC
When to use OTLP over HTTP and when to prefer gRPC, with a decision guide and SDK examples.
OpenTelemetry glossary
40+ OpenTelemetry and OTLP terms defined for engineers: spans, samplers, propagators, receivers, processors.
Instrument your services and point an OTLP exporter at Telemtra.
OpenTelemetry Python
Auto-instrument Flask, Django, FastAPI, Celery and send OTLP to Telemtra.
OpenTelemetry Node.js
Instrument Express, NestJS, Fastify, and Next.js with OTLP.
OpenTelemetry Go
Instrument net/http, gRPC, and database/sql in Go with the OTel SDK.
OpenTelemetry Java
Attach the Java agent for Spring Boot, JDBC, and JVM metrics.
OpenTelemetry .NET
Instrument ASP.NET Core, HttpClient, and Entity Framework with OTLP.
OpenTelemetry Rust
Instrument axum, actix-web, and tonic via tracing-opentelemetry and OTLP HTTP.
Pipelines, host telemetry, and platform deployments.
Collector quickstart
Forward logs, traces, and metrics from the OpenTelemetry Collector to Telemtra.
OpenTelemetry on Kubernetes
DaemonSet and sidecar Collector manifests, container log collection, kubelet metrics.
OpenTelemetry with Docker
Run the Collector in a docker-compose stack with container logs and docker_stats.
Linux host observability
Collect host metrics, syslog, auth logs, and Nginx logs without losing service context.
Linux log patterns reference
The auth.log, kernel, and systemd patterns worth alerting on: brute force, OOM kills, disk errors.
Nginx monitoring reference
Access-log statuses, error.log messages, and stub_status metrics worth alerting on, with rules.
Windows Event Logs
Use OpenTelemetry Collector Contrib to send Windows host metrics and Event Viewer logs.
Windows Event IDs reference
The Security, System, and Application event IDs worth alerting on, with the properties to filter.
Host metrics reference
Every hostmetrics metric scraper by scraper: kind, unit, attributes, and what's off by default.
Data Shaper concepts
Mask, drop, and normalize logs at ingest before noisy data reaches storage.
Connect AI assistants and agents to your telemetry.
How OpenTelemetry sits next to the tools you already know.
OpenTelemetry vs Prometheus
Where the two systems compete, where they complement, and how to combine them.
OpenTelemetry vs Datadog
Vendor-neutral SDK vs proprietary agent, plus the migration path.
OpenTelemetry vs Jaeger
How Jaeger became part of the OTel ecosystem and how to migrate Jaeger pipelines to OTLP.