DevOps Intermediate

What is ELK Stack?

A popular log management platform combining Elasticsearch (search), Logstash (processing), and Kibana (visualization).

The ELK Stack collects, processes, stores, and visualizes log data. Logstash (or Filebeat) collects logs from various sources, transforms them, and sends to Elasticsearch for indexing. Kibana provides dashboards and search interfaces.

Modern variants include the Elastic Stack (adding Beats for lightweight data shipping) and alternatives like Grafana Loki (log aggregation optimized for cost). ELK is the standard for centralized logging in enterprise environments.

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A mechanism that automatically detects and tracks the network locations of service instances in distributed systems.

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A lightweight virtualization method that packages applications with their dependencies into isolated, portable containers.

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Pipeline as Code

Defining CI/CD pipeline configurations as version-controlled code files rather than through UI-based pipeline builders.

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