admin – Page 13 – ITFROMZERO

Optimizing the Linux TCP Stack: Master Techniques for Handling 10,000+ Concurrent Connections

By admin May 6, 2026

Don't let default configurations slow down your server. Learn how to optimize the TCP stack, enable BBR, and handle TIME_WAIT to boost connection speeds and handle high-traffic loads.

Centos

Configuring SSL/TLS for Apache and Nginx on CentOS Stream 9: Just 5 Minutes with Certbot

By admin May 6, 2026

A detailed guide on configuring free SSL/TLS from Let's Encrypt for Apache and Nginx on CentOS Stream 9 using Certbot. Automate your website security in just 5 minutes.

Virtualization

Migrating from VMware to Proxmox: Effortless Migration with the Import Wizard

By admin May 6, 2026

A guide on using the Proxmox Import Wizard to migrate VMs directly from VMware ESXi to Proxmox VE. Save time and avoid manual disk conversion with this expert workflow.

Virtualization

VBoxManage: Master VirtualBox via CLI – Essential Pro-Tips for Sysadmins

By admin May 6, 2026

Learn how to use VBoxManage for professional VirtualBox management via CLI. This guide covers headless booting, hardware configuration, and automated backup scripts.

Ubuntu

Upgrading to Ubuntu Server 24.04 LTS: A Practical Guide to a Safe Finish

By admin May 6, 2026

A practical guide to upgrading Ubuntu Server 22.04 to 24.04 LTS. A safe 5-step process using Screen to prevent network drops and handle package conflicts for Sysadmins.

Artificial Intelligence tutorial - IT technology blog

Mastering NeMo Guardrails: Controlling Content and Eliminating LLM Hallucinations

By admin May 6, 2026

NeMo Guardrails is a leading solution for controlling LLM content, preventing prompt injection, and eliminating hallucinations in real-world AI applications.

VMware

VMware Site Recovery Manager (SRM) Setup Guide: An Automated ‘Lifesaver’ for vSphere

By admin May 6, 2026

Don't let infrastructure disasters keep you up at night. VMware Site Recovery Manager (SRM) automates Disaster Recovery, cutting RTO from hours to minutes. Check out this practical guide.

MySQL

MySQL Clone Plugin: How to Copy Hundreds of GBs in a Flash Instead of Waiting for mysqldump

By admin May 6, 2026

Forget mysqldump! A detailed guide on using MySQL Clone Plugin to copy data directly between servers at ultra-high speeds, safe for databases of hundreds of GBs.

Development

Building GraphQL APIs with Node.js and Apollo Server: From Schema to Mutation

By admin May 6, 2026

Learn how to build efficient GraphQL APIs with Node.js and Apollo Server through real-world examples. This guide compares REST vs. GraphQL and shares payload optimization tips.

Git

Forgejo Installation Guide: A Lightweight and More Secure Self-hosted Git Solution than Gitea

By admin May 6, 2026

A detailed guide on installing Forgejo—a lightweight and secure Gitea fork—using Docker Compose. Includes practical tips for optimizing Git workflows in small teams.