DevOps – Page 14 – ITFROMZERO

Mastering SOPS for Secret Encryption: Stop API Key Leaks on Git

By admin April 10, 2026

Stop leaking API keys on Git! Here is a detailed guide on using Mozilla SOPS to encrypt secrets in YAML/JSON files with PGP. The ultimate security solution for Devs and DevOps.

Linux

Escape ‘Dependency Hell’ on Linux with Nix: The Package Manager That Saved Me at 2 AM

By admin April 10, 2026

Nix Package Manager is a lifesaver for isolating software, supporting instant rollbacks, and completely eliminating library conflict errors on Linux. This guide provides practical installation and usage tips for DevOps and Sysadmins.

Docker

Docker Compose Watch: A Game-Changer for a Seamless Docker Development Experience

By admin April 10, 2026

Docker Compose Watch automatically syncs code to containers the moment you save. Learn how to skip manual image builds and make Docker development as smooth as running locally.

Fedora

Managing Multiple Node.js, PHP, and MariaDB Versions: Fedora’s DNF Modularity “Secret Weapon”

By admin April 10, 2026

Forget nvm or unofficial repos. With DNF Modularity on Fedora, switching between Node.js 18, 20 or PHP 7.4, 8.2 is simpler and safer than ever.

Monitoring

Monitoring Windows Server with Prometheus and Windows Exporter: Tracking CPU, RAM, and Services in Detail

By admin April 9, 2026

A guide to installing Windows Exporter, configuring Prometheus scrape targets, and setting up Grafana dashboards to monitor CPU, RAM, disk, and Windows Services on Windows Server — including practical alert rules and tips for avoiding alert fatigue.

Virtualization

Build a Proxmox VE Home Lab from Old Hardware: The Ultimate “Cloud Bill Savior” for IT Professionals

By admin April 8, 2026

Don't let old PCs or laptops go to waste. This guide helps you build a professional Proxmox VE Home Lab for learning DevOps and SysAdmin without high cloud costs.

MySQL

MySQL Shell (mysqlsh): The Ultimate Weapon for InnoDB Cluster Management and Developer Automation

By admin April 8, 2026

Stop relying solely on the traditional mysql command. Discover MySQL Shell (mysqlsh) to automate database administration with Python/JS and set up a professional InnoDB Cluster.

Monitoring

Node Exporter: Collecting Linux System Metrics for Prometheus

By admin April 8, 2026

Node Exporter is an essential component of the Prometheus stack, responsible for collecting CPU, RAM, disk, and network metrics from Linux systems. This guide walks through installation, collector configuration, and verifying that Node Exporter is working correctly before connecting it to Prometheus.

Docker

Supercharge Docker Builds with BuildKit Mount Cache: From 10 Minutes to 30 Seconds

By admin April 7, 2026

Speed up Docker builds by 10x with BuildKit Mount Cache. Learn how to persist caches for npm, pip, and go mod to optimize your development workflow.

Git

Mastering Git Cherry-pick: How to ‘Pick’ Commits Precisely and Conflict Resolution Tips

By admin April 7, 2026

Master Git Cherry-pick to copy specific commits between branches. Learn usage, conflict resolution, and real-world tips to save developer time.