Observability
Logstash: inputs and outputs
Written version of the video lessons: common inputs (beats, file, tcp/udp, http, kafka, jdbc) and outputs (elasticsearch with data streams, file, s3, kafk…
Guides & insights
A library for curious minds
Observability
Fluent Bit: pipeline inputs in detail
Everything about Fluent Bit inputs: the role of tags, reading files with tail (positions, rotation, multiline), journald, syslog, forward, OpenTelemetry, …
Observability
Beats: Filebeat, Metricbeat, Winlogbeat and their configuration
Written version of the video lessons: role of each Beat, configuration structure, inputs, modules, processors, outputs and the setup command.
Observability
Logstash: role, pipeline concept and installation
Written version of the video lessons: what Logstash is for, how a pipeline works (inputs, filters, outputs, queue, workers) and how to install it.
Automation
Terraform modules: designing, versioning and reusing
Structure Terraform with modules: root module and child modules, inputs and outputs, sources (local, Git, registry), versioning, composition, design best …
Observability
Fluent Bit: pipeline, configuration and essential plugins
Fluent Bit concepts (inputs, parsers, filters, tags and match, buffer, outputs), YAML configuration, and the must-have plugins: tail, systemd, kubernetes,…
Observability
Real User Monitoring (RUM) and Core Web Vitals: measuring what users experience
Why observe the front end, what RUM measures, Core Web Vitals (LCP, INP, CLS) and their thresholds, and the difference between RUM and synthetic monitorin…
DevOps
Browser testing and synthetic monitoring with k6
Test a web application in a real browser with the k6 browser module, measure Core Web Vitals, and continuously monitor user journeys with synthetic tests.
Learning never stops