The Linux Academy Blog

Practical guides for cloud, DevOps & data engineers

Hands-on walkthroughs on the tools we teach โ€” CI/CD, streaming, observability, databases and cloud. Written to get you productive, then point you to a free course to go deeper.

Observability

Monitoring & Alerting with the kube-prometheus-stack

Install Prometheus, Grafana and Alertmanager on Kubernetes in one Helm chart, scrape your own app with a ServiceMonitor, write a symptom-based alert, route it to Slack โ€” with a full example and fixes.

๐Ÿ•‘ 12 min read Jul 23, 2026
Observability

Centralized Logging: ELK with Fluent Bit on OpenSearch

Build a modern logging pipeline: Fluent Bit collects and ships logs, OpenSearch stores and indexes them, Dashboards lets you search โ€” with parsing, index lifecycle for cost, and troubleshooting.

๐Ÿ•‘ 11 min read Jul 23, 2026