Virtualization – Page 4 – ITFROMZERO

VMDK Shrinking Masterclass: Reclaim Hundreds of GBs for VMware ESXi and Workstation

By admin May 5, 2026

Detailed guide on how to shrink VMDK files in VMware Workstation and ESXi using SDelete, vmkfstools, and dd to reclaim hundreds of gigabytes of disk space.

Virtualization

Optimizing Proxmox VE Storage: Connecting TrueNAS via iSCSI and NFS Like a Pro

By admin May 5, 2026

A detailed guide on connecting Proxmox VE to TrueNAS via iSCSI and NFS. The optimal solution for building centralized storage and supporting High Availability for VMs.

VMware

Mastering OVF Tool: A Faster and More Stable VMware VM Migration Solution than GUI

By admin May 4, 2026

Say goodbye to browser-based VM upload errors. Discover how to use OVF Tool for fast, stable VMware VM exports and imports, including expert automation scripts.

Virtualization

Splitting GPUs with NVIDIA vGPU on Proxmox: Resource Optimization for Homelab and AI

By admin May 4, 2026

A detailed guide on setting up NVIDIA vGPU on Proxmox VE to partition GPU power for multiple virtual machines. An ideal solution for AI/ML and VDI to save on hardware costs.

Virtualization

Installing XCP-ng and Xen Orchestra: A Powerful and Cost-Effective VMware Alternative

By admin May 2, 2026

Install XCP-ng and Xen Orchestra to build a powerful open-source virtualization system as an effective VMware alternative. Detailed guide for SysAdmins and IT pros.

Virtualization

Memory Ballooning and KSM on KVM/Proxmox: Optimize RAM to Run More Virtual Machines

By admin May 1, 2026

Memory Ballooning and KSM (Kernel Same-page Merging) are two RAM optimization techniques that let you run more VMs on the same hardware without upgrading your server. This guide covers practical configuration on KVM/Proxmox with a real-world comparison of the trade-offs for each approach.

Virtualization

USB Passthrough on KVM and Proxmox: Connecting Security Dongles, Cameras, and 3G Modems to Virtual Machines

By admin May 1, 2026

A guide to configuring USB Passthrough on KVM and Proxmox to pass security dongles, 3G modems, and USB cameras directly into virtual machines. Covers virsh XML configuration, Proxmox Web UI, permission error handling, and an auto-attach script.

Virtualization

Customizing Linux Cloud Images with virt-customize: Fast, Efficient, No VM Boot Required

By admin April 29, 2026

Forget manual configuration. Use virt-customize to inject SSH keys, install packages, and customize Linux Cloud Images in just 60 seconds without booting the VM.

VMware

Building a Hyper-Converged Storage System with VMware vSAN: From Local Drives to Professional Clusters

By admin April 29, 2026

A detailed guide on building your own Hyper-Converged Infrastructure (HCI) using VMware vSAN. Save on hardware costs, optimize performance, and centralize management.

VMware

Diagnosing VMware ESXi with esxtop: A Practical Troubleshooting Field Guide

By admin April 28, 2026

Stop guessing and start diagnosing. Use esxtop to accurately identify CPU Ready, RAM Swap, and Disk Latency bottlenecks on VMware ESXi like a seasoned systems engineer.