log management Archives - ITFROMZERO

Installing Fluent Bit on Ubuntu: Collecting System and Docker Container Logs, Forwarding to Elasticsearch

By IT From Zero November 14, 2026

A guide to installing Fluent Bit on Ubuntu 22.04 to collect logs from systemd and Docker containers, filter data, and forward to Elasticsearch. Includes a practical comparison of Logstash, Fluentd, Filebeat, and Fluent Bit to help you choose the right tool for your use case.

Monitoring

Installing and Configuring Fluent Bit on Linux: High-Performance Log Collection, Filtering, and Forwarding to Loki and Elasticsearch

By IT From Zero October 11, 2026

A practical guide to configuring Fluent Bit on Linux: Collect, parse, and route Nginx logs and syslog to Grafana Loki and Elasticsearch with minimal resource overhead.

Centos

How to Install and Configure Graylog on CentOS Stream 9: Building a Centralized Log Management System

By IT From Zero October 5, 2026

A step-by-step guide to deploying a centralized log management system with Graylog 6.0, OpenSearch, and MongoDB on CentOS Stream 9 for effective infrastructure monitoring.

Linux

Log Rotation on Linux with Logrotate: Rescuing Your Disk Drive in the Middle of the Night

By IT From Zero March 10, 2026

As an IT engineer, I've experienced servers crashing at 2 AM due to full log files. This article consolidates hard-earned experience on using Logrotate on Linux, an indispensable tool for automatically managing, rotating, and compressing log files to keep your system stable and efficient.

Monitoring

Graylog: Centralizing and Analyzing Logs from Multiple Linux Servers

By IT From Zero 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.