ITFROMZERO – Share tobe shared!

Mastering VMware Backup and Restore: Better Safe Than Sorry

By admin April 10, 2026

Learn how to build a robust 3-2-1 VMware backup strategy. This guide clarifies the difference between Snapshots and Backups, and covers using Veeam and GhettoVCB for total data protection.

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.

Fedora

Building Personal Fedora Repos with Copr: No More Manual ‘make install’!

By admin April 10, 2026

Learn how to use Copr to build and manage your personal Fedora Repository. A detailed guide from RPM packaging to automatic updates via DNF for developers.

MySQL

MySQL Stored Procedures and Functions: Optimizing Business Logic and Boosting Performance

By admin April 9, 2026

A practical guide to using Stored Procedures and Functions in MySQL, drawn from real-world experience. Learn how to optimize business logic, reduce latency, and improve the security of your database-backed systems.

Ubuntu

Installing NVIDIA Drivers on Ubuntu: Don’t Let Your High-End GPU Perform Like a Snail

By admin April 9, 2026

Installing NVIDIA drivers on Ubuntu is easy if you know how to use PPA and ubuntu-drivers. This article shares experiences on avoiding black screen errors and optimizing performance for AI/Gaming.

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

Optimizing KVM/Proxmox Resources: Stop VMs from Draining Your Hardware

By admin April 9, 2026

Managing KVM/Proxmox resources effectively is easy when you know how. Guide on optimizing CPU Type, configuring VirtIO SCSI, and RAM Ballooning tips to prevent bottlenecks.

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.

Repository Rescue: Mastering git fsck to Recover Code and Fix Data Errors

Optimize Windows Virtual Machines to Run ‘Silky Smooth’ with VMware OS Optimization Tool (OSOT)

Installing Pyrra: Managing SLOs and Alerts the Google SRE Way

Installing Woodpecker CI on Fedora Server: A Lightweight CI/CD Solution for Gitea

Configuring Docker daemon.json: Prevent Disk Full Errors and Production Server Crashes

Python lxml: The ‘Heavy Weapon’ for Processing XML/HTML in Legacy Systems

Mastering NetworkManager Dispatcher: Automate ‘Everything’ When Changing Networks on Linux

Configuring DNS Split-Horizon with BIND9: The IP “Splitting” Trick for LAN and Internet

Building Background Jobs for Next.js: Say Goodbye to Redis, Welcome Inngest

mysqlslap: How I “Torture” MySQL to Find Real-World Load Limits

Mastering VMware Backup and Restore: Better Safe Than Sorry

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

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

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

Building Personal Fedora Repos with Copr: No More Manual ‘make install’!

MySQL Stored Procedures and Functions: Optimizing Business Logic and Boosting Performance

Installing NVIDIA Drivers on Ubuntu: Don’t Let Your High-End GPU Perform Like a Snail

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

Optimizing KVM/Proxmox Resources: Stop VMs from Draining Your Hardware

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