ITFROMZERO – Share tobe shared!

Git Hooks: Automate Your Workflow So You Never Commit Broken Code Again

By admin March 2, 2026

Git hooks let you automatically run linting, tests, and commit message validation before code enters the repo — no manual reminders needed. This article compares client-side vs server-side hooks, manual hooks vs Husky, and walks through the 3 most practical hooks to implement for your team.

Linux

Installing and Configuring NTP Server on Linux: Fixing Time Sync Issues in Production

By admin March 2, 2026

A guide to installing chrony and configuring internal NTP server/client on Linux, drawn from real production operations experience. Covers cluster configuration, firewall setup, offset verification, and a basic monitoring script.

Artificial Intelligence tutorial - IT technology blog

Fine-tuning AI Models with Your Own Data: A Practical Guide from A to Z

By admin March 2, 2026

A hands-on guide to fine-tuning AI models with your own data using LoRA and QLoRA. From dataset preparation and LoRA adapter configuration to training with SFTTrainer, merging, and deploying a custom model for real-world use.

Network

Configuring IPv6 on Linux Servers: Static Addresses, Dual-Stack, and Real-World ip6tables

By admin March 2, 2026

Step-by-step guide to configuring IPv6 on Linux servers: enabling IPv6, assigning static addresses on Ubuntu/Debian and CentOS/Rocky, setting up dual-stack, ip6tables firewall, and troubleshooting real-world issues.

Most Useful MCP Servers for Developers: A Complete Guide with Installation Instructions

By admin March 2, 2026

MCP (Model Context Protocol) lets AI connect directly to your file system, database, and development tools instead of being completely isolated. This post covers the 7 most useful MCP servers with detailed installation guides to integrate them into Claude Desktop right away.

Ubuntu

Installing and Configuring Samba on Ubuntu: File Sharing with Windows

By admin March 1, 2026

A practical guide to installing and configuring Samba on Ubuntu 22.04 for sharing files with Windows machines on a local network. Covers smb.conf configuration, user creation, directory permissions, firewall setup, and connection monitoring.

Security

Linux Disk Encryption with LUKS: Protecting Data When Your Server Is Lost or Stolen

By admin March 1, 2026

LUKS enables AES-256 encryption on Linux partitions, ensuring data remains unreadable even if the drive is physically removed from the server. This guide walks through the full workflow — from formatting and mounting, to auto-mount on boot, LUKS header backup, and passphrase management.

Security

Certbot SSL Certificate: Install and Auto-Renew in 5 Minutes

By admin March 1, 2026

A practical guide to using Certbot to issue and manage free SSL certificates from Let's Encrypt. From a quick 5-minute setup to automatic renewal and troubleshooting common errors on Linux servers.

Linux

Managing Users and Permissions on Linux: Practical Tips for Beginners

By admin March 1, 2026

A comparison of useradd vs adduser, octal vs symbolic chmod, and how to configure sudo safely on Linux. Practical insights from 3 years of VPS management — helping beginners avoid the most painful user and permission mistakes.

Virtualization

KVM Installation and Usage Guide on Ubuntu: From Zero to Your First Virtual Machine

By admin March 1, 2026

KVM is a hypervisor built into the Linux kernel, offering better performance than VirtualBox and remaining stable after kernel updates. This guide covers installing KVM on Ubuntu, creating VMs from ISO using virt-install, and managing VMs daily with virsh — suitable for both servers and desktops.

Automating Proxmox with Terraform: From Manual ‘Click-ops’ to Professional IaC

Building a Data Streaming System with Apache Kafka and Node.js: From Zero to Production

Mastering Logical Replication in PostgreSQL: Flexible and Practical Data Sync

Mastering Fedora Security: Managing System-Wide Encryption with update-crypto-policies

Automating Dependencies with Renovate: Don’t Let Manual Updates Slow You Down

Harbor Installation Guide: Building a Professional Private Registry for DevOps

How to Never Forget SSL and Domain Renewals Again with Prometheus Blackbox Exporter

Boost Productivity with Git Aliases: Don’t Let Typing Commands Slow You Down

How to Safely Expose Docker Containers to the Internet via Cloudflare Tunnel (No Port Forwarding)

Self-hosting Grafana OnCall: Professional On-call Scheduling and Escalation for DevOps Teams

Git Hooks: Automate Your Workflow So You Never Commit Broken Code Again

Installing and Configuring NTP Server on Linux: Fixing Time Sync Issues in Production

Fine-tuning AI Models with Your Own Data: A Practical Guide from A to Z

Configuring IPv6 on Linux Servers: Static Addresses, Dual-Stack, and Real-World ip6tables

Most Useful MCP Servers for Developers: A Complete Guide with Installation Instructions

Linux Disk Encryption with LUKS: Protecting Data When Your Server Is Lost or Stolen

Certbot SSL Certificate: Install and Auto-Renew in 5 Minutes

Managing Users and Permissions on Linux: Practical Tips for Beginners

KVM Installation and Usage Guide on Ubuntu: From Zero to Your First Virtual Machine