Observability
Logstash: filters, grok and dissect
Written version of the video lessons: essential filters (mutate, date, json, kv, drop), the grok plugin and its patterns, dissect, and how to choose betwe…
Guides & insights
A library for curious minds
Observability
Installing OpenObserve and ingesting your first data
Install OpenObserve with Docker Compose or the binary, configure it with its ZO_* variables, send JSON and query it with SQL. Ingestion pitfalls, tested o…
Observability
Sending logs, metrics and traces to OpenObserve
OpenObserve receiving endpoints: JSON, bulk, OTLP with the OpenTelemetry Collector, Prometheus remote write, Fluent Bit and ingestion tokens.
Observability
Fluent Bit: parsers and filters, structuring and transforming logs
Structure and transform logs in Fluent Bit: parsers (json, regex, logfmt, ltsv), multiline parsers, the kubernetes, grep, modify, nest, record_modifier, r…
Cloud computing
IAM: identities, roles and policies on AWS
Secure access to AWS with IAM: users, groups, roles and JSON policies, permission evaluation, MFA, IAM Identity Center for humans, roles for applications,…
Proxy & networking
Traefik: logs (application logs and access logs)
Configure Traefik's two logs: the operational log (levels, format) and access logs (JSON format, fields, filters, headers), then use them with jq, Loki or…
Observability
Advanced Grail and DQL: performance, parse, joins, time series, entities and correlation
Writing fast, low-cost DQL queries, parsing text with DPL and JSON, combining sources with lookup, join and append, computing time series, querying entiti…
Observability
Collecting with Zabbix: items, preprocessing, discovery and templates
Item types (agent, SNMP, HTTP agent, calculated, dependent), preprocessing (JSONPath, regular expressions, Prometheus), low-level discovery (LLD), macros …
Observability
Visualizing and automating Zabbix: dashboards, Grafana and API
Build dashboards and maps in Zabbix, use Grafana's Zabbix plugin, and automate configuration with the JSON-RPC API, YAML export and Ansible.
Observability
Visualizing in Kibana: Lens, dashboards and saved objects
Build visualizations with Lens, assemble interactive dashboards (filters, controls, links), and manage saved objects as code with the export and import AP…
Observability
Transforming with VRL and testing Vector pipelines
The VRL language (Vector Remap Language): parsing logs (JSON, regex, syslog), error handling, enrichment, masking, routing, converting logs to metrics, an…
Containers
kubectl cheat sheet: the essential commands
All the kubectl commands you need day to day: contexts, resources, logs, exec, port-forward, rollouts, debug, JSONPath, labels, resources and troubleshoot…
Learning never stops