28 articles
Implementing the Four Golden Signals: Latency, Traffic, Errors, Saturation with PromQL queries and alerting.
CI/CD with GitLab CI. Stages, jobs, cache, artifacts and deployment.
Jenkins Declarative Pipeline. Stages, agents, post actions.
Tekton as a Kubernetes-native CI/CD framework. Tasks, Pipelines, Triggers and ecosystem integration.
Lightweight log agregace s Loki a vizualizace v Grafana.
Data observability monitors freshness, volume, schema and data quality. Monte Carlo, Elementary and custom solutions.
Three pillars of observability: Prometheus, Loki, Jaeger, and OpenTelemetry.
Principles of distributed tracing. Context propagation, span design, correlation IDs and debugging in practice.
Roadmap to become a DevOps engineer — Linux, cloud, CI/CD, Kubernetes, IaC.
Monitoring a observability — metriky, logy, traces, alerting, SLO/SLI.
Best Raspberry Pi projects for developers — Pi-hole, NAS, K3s, monitoring.
A complete guide to Flutter application architecture for production. BLoC pattern, dependency injection, routing,...
Observability strategy for modern systems. Three pillars, correlation, tools and implementation plan.
Ctyri golden signals: Latency, Traffic, Errors, Saturation.
A working monitoring stack in 15 minutes — Prometheus + Grafana in Docker Compose.
How to test data pipelines. Unit tests, integration tests and data quality checks in CI/CD.
GitLab CI advanced techniques: DAG pipelines, child pipelines, includes and review apps.
Open-source pull-based monitoring vs managed SaaS platform.
Security best practices for CI/CD pipeline. Secret management, supply chain security and SLSA.
Advanced PromQL queries, recording rules, federation and long-term storage with Thanos/Mimir.
Best practices for Grafana dashboards. Dashboard as Code, provisioning, alerting and design principles.
Effective alerting for production systems. Alert design, routing, grouping and noise reduction.
Alert configuration in Prometheus. PrometheusRule, Alertmanager routing and best practices.
Learn Bash scripting from the basics — variables, conditions, loops, functions and practical scripts.
Prometheus Operator for Kubernetes monitoring. ServiceMonitor, PrometheusRule and Alertmanager configuration.
Grafana Tempo for distributed tracing. Object storage backend, TraceQL queries and Grafana stack integration.
Jenkins shared libraries, declarative pipeline, parallel stages and Kubernetes-based agents.
Best practices for CI/CD pipelines. Speed, reliability, security.