DevOps Archives - Page 2 of 58 - ITFROMZERO

Deploying n8n with Docker Compose and PostgreSQL: A Guide to Self-Hosted Automation

By IT From Zero October 7, 2026

Compare n8n deployment models and follow a step-by-step guide to set up a robust n8n + PostgreSQL cluster ready to handle production-scale internal automations.

Fedora

Installing Prometheus, Grafana, and Node Exporter on Fedora Server: A Production-Ready Monitoring Stack

By IT From Zero October 7, 2026

Step-by-step setup of the Prometheus, Grafana, and Node Exporter monitoring stack on Fedora Server. Includes standard config files, firewall setup, and dashboard ID 1860 for intuitive server resource tracking.

Docker

Guide to Deploying Apache Kafka in KRaft Mode with Kafka UI Using Docker Compose

By IT From Zero October 6, 2026

Permanently resolve ZooKeeper OOM errors by migrating to Apache Kafka KRaft mode paired with Kafka UI via Docker Compose. Save 50% RAM with intuitive visual management.

Docker

Deploying a Distributed MinIO Object Storage Cluster with Docker Compose: Build Your Own On-Premises S3

By IT From Zero October 6, 2026

A comprehensive guide to deploying a 4-node Distributed MinIO cluster with Docker Compose and Nginx. Build your own fault-tolerant, 100% Amazon S3-compatible object storage.

Git

A Guide to Using git check-ignore and git check-attr: Debug File Exclusion and Attribute Rules in Git

By IT From Zero October 6, 2026

Learn how to use git check-ignore and git check-attr to accurately troubleshoot why files are ignored or missing gitattributes in complex Git repositories.

MySQL

Configuring MySQL High Availability with Keepalived and HAProxy: Automated Virtual IP (VIP) Failover

By IT From Zero October 6, 2026

A detailed comparison of MySQL High Availability solutions and a step-by-step guide to configuring Keepalived with HAProxy for automated Virtual IP (VIP) failover.

Docker

Guide to Configuring Linux Capabilities (cap-drop and cap-add) in Docker to Harden Security

By IT From Zero October 5, 2026

A detailed guide on hardening Linux Capabilities with cap-drop=ALL and cap-add in Docker. Prevent container escapes, standardize Docker Compose, and debug permission denied errors in production.

Git

How to Use git subtree split to Extract a Subdirectory into an Independent Repo with Full Commit History

By IT From Zero October 5, 2026

Need to urgently extract a module into a standalone repository without losing commit history? Here is how to safely use git subtree split to isolate subdirectories while preserving full git log and git blame.

Git

Git assume-unchanged vs. skip-worktree: How to Safely Ignore Local Config Files

By IT From Zero October 4, 2026

Understand the key differences between assume-unchanged and skip-worktree in Git. Learn how to safely ignore local config changes and prevent data overwrite on git pull.

Ubuntu

How to Install and Configure Prometheus with Grafana on Ubuntu Server

By IT From Zero October 4, 2026

A hands-on guide to installing and configuring Prometheus, Node Exporter, and Grafana on Ubuntu Server for accurate, continuous hardware monitoring.