Virtualization – ITFROMZERO – Share tobe shared!

vNUMA Configuration: The Secret to Fixing Slow ‘Beast’ VMs on VMware vSphere

By admin September 16, 2026

Large VMs running slow are often due to vNUMA misalignment. Learn how to align Virtual NUMA with physical CPUs on vSphere to reduce RAM latency and boost app performance by 20-30%.

VMware

Guide to Installing Veeam Backup & Replication Community Edition: A Professional VMware ESXi Backup Solution (Free)

By admin September 16, 2026

Don't wait for data loss to regret it. This guide to installing Veeam Backup & Replication Community Edition helps you protect 10 VMware VMs completely free and professionally.

Virtualization

Windows Sandbox: A Disposable Environment for Safely Testing Suspicious Files

By admin September 15, 2026

A detailed guide on enabling and using Windows Sandbox to create an isolated virtual environment. The ultimate safe solution for running untrusted software and testing scripts for IT pros.

Virtualization

Guide to Deploying Red Hat OpenShift Local (CRC) on Linux: Bringing Enterprise Kubernetes to Your Local Machine

By admin September 13, 2026

A detailed guide on installing Red Hat OpenShift Local (CRC) on Linux. This article shares experience in resource configuration, KVM optimization, and practical tips for running an Enterprise Kubernetes cluster on your personal machine.

Virtualization

Mastering Virtual Machines (VMs) on Unraid: From Basic Configuration to Real-World Performance Optimization

By admin September 11, 2026

A-Z guide for configuring Virtual Machines (VMs) on Unraid. Learn how to optimize CPU Pinning, GPU Passthrough, and SSD Cache tips for maximum performance.

Virtualization

Configuring Proxmox VE Replication with ZFS: High Availability and Disaster Recovery Without a SAN

By admin September 8, 2026

Proxmox VE Replication uses ZFS send/receive to sync VM disks between nodes every 15 minutes — a practical High Availability alternative to a SAN at zero cost. Covers step-by-step setup via CLI and Web UI, real-world failover testing, and automated monitoring to catch failures before they become incidents.

VMware

Configuring GPU Partitioning (vGPU) on VMware vSphere 8: Optimizing Resources for AI and VDI

By admin September 8, 2026

A detailed guide on configuring GPU Partitioning (vGPU) on VMware vSphere 8 to share NVIDIA GPU resources across multiple AI and VDI virtual machines, optimizing performance and hardware costs.

Virtualization

Configuring Serial Console for KVM and Proxmox: A ‘Lifeline’ When SSH Suddenly Drops

By admin September 7, 2026

Losing SSH access is a Sysadmin's nightmare. This guide shows you how to configure Serial Console for KVM and Proxmox to quickly access VMs for recovery and easily copy-paste commands.

VMware

Managing vCenter via Smartphone: ‘Rescuing’ VMware Systems Without Leaving Your Bed

By admin September 7, 2026

Manage vCenter right on your phone with vSphere Mobile Client. Quick setup guide, security via VPN, and practical troubleshooting tips for system administrators.

Virtualization

Managing Dozens of Proxmox Clusters Centrally with PDM (Proxmox Datacenter Manager)

By admin September 7, 2026

A detailed guide on installing Proxmox Datacenter Manager (PDM) to centrally manage multiple PVE clusters. An optimal solution for sysadmins to monitor all resources from a single interface.