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Building a Centralized Logging System with Fluentd and OpenSearch: A Lightweight ELK Stack Alternative

By admin May 3, 2026

The days of SSH and 'tail -f' for logs are over. Build a lightweight centralized logging system with Fluentd and OpenSearch, using 1/10 the RAM of ELK Stack.

Monitoring

Graylog: Centralizing and Analyzing Logs from Multiple Linux Servers

By admin March 4, 2026

A step-by-step guide to installing Graylog with Docker Compose to centralize logs from multiple Linux servers into one place. Covers rsyslog configuration, the Docker GELF logging driver, and setting up stream alerts — based on 6 months of real production experience.