IT from Zero – ITFROMZERO – Share tobe shared!

VMware Clone and Snapshot Guide: Effective VM Management Tips from Real-World Experience

By admin March 26, 2026

Snapshot and Clone are powerful VMware features that help system administrators easily duplicate and manage VM states. This article, based on practical experience operating an 8-host ESXi cluster, guides you on effectively using these two tools to optimize workflows and minimize risks.

Security

Installing and Configuring ModSecurity (WAF) on Nginx: Protecting Web Applications from A-Z

By admin March 19, 2026

ModSecurity (WAF) on Nginx is a powerful tool to protect web applications from common attacks. This article provides a detailed guide from basic installation to advanced fine-tuning, based on practical experience deploying in production environments, helping you set up a secure "shield" for your website.

Security

Installing and Configuring CrowdSec on Ubuntu: A New Generation Community Server Protection Solution

By admin March 19, 2026

Protecting servers from cyberattacks is a top priority. CrowdSec offers a novel, community-based approach to detect and prevent threats. This article guides you through installing and configuring CrowdSec on Ubuntu.

VMware

Efficient Physical to Virtual (P2V) Server Migration with VMware vCenter Converter Standalone

By admin March 14, 2026

P2V is an IT infrastructure optimization solution. This article provides a step-by-step guide to converting physical machines to virtual machines using VMware vCenter Converter Standalone, along with practical experience. Ensure success!

Network

Guide to Configuring SSH Tunnel: Local, Remote, and Dynamic Port Forwarding

By admin March 13, 2026

SSH Tunneling is not just a convenient tool, but also a powerful solution for flexible network security and access. Learn how to configure Local, Remote, and Dynamic Port Forwarding to overcome network limitations, protect data, and optimize daily tasks.

Security

Optimizing Secure Management of Secrets, API Keys, and Credentials on Linux with HashiCorp Vault

By admin March 13, 2026

Managing secrets like API keys and credentials is a major challenge for many IT engineers. HashiCorp Vault offers a powerful solution to address this problem. This article guides you through installing, configuring, and using Vault on Linux, helping to maximize the protection of sensitive data.