Virtualization Archives - Page 7 of 17 - ITFROMZERO

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Installing and Configuring Xen Hypervisor on Debian/Ubuntu: Type-1 Virtualization with XL Toolstack and Dom0

By IT From Zero June 24, 2026

A guide to installing Xen Hypervisor on Debian/Ubuntu, configuring Dom0, limiting RAM allocation, and creating DomU virtual machines with the XL toolstack. Covers PVH mode, network bridging, LVM snapshots, and everyday management commands.

Virtualization

Configuring Looking Glass on KVM: The Ultimate Low-Latency Solution for GPU Passthrough

By IT From Zero June 22, 2026

Looking Glass is the ultimate solution for sharing a GPU between a Windows VM and a Linux host with sub-1ms latency using Inter-VM Shared Memory (IVSHMEM).

VMware

Configuring VMware vSphere Fault Tolerance (FT): Achieving Zero Downtime for Mission-Critical Systems

By IT From Zero June 21, 2026

A detailed guide to configuring VMware vSphere Fault Tolerance (FT). Learn how to achieve Zero Downtime, hardware requirements, and practical tips to protect your most critical systems.

Virtualization

Deploy a VyOS Virtual Router on Proxmox/KVM: Firewall, NAT, and Site-to-Site VPN from A to Z

By IT From Zero June 20, 2026

A hands-on guide to deploying a VyOS virtual router on Proxmox or KVM, covering stateful zone-based firewall, NAT masquerade, port forwarding, and IPsec IKEv2 Site-to-Site VPN. Follows a practical workflow from installation to a production-ready lab network.

Virtualization

QEMU Guest Agent: Installation and Configuration on Linux/Windows for Consistent Snapshots and VM Monitoring

By IT From Zero June 20, 2026

QEMU Guest Agent (qemu-ga) is a daemon running inside the VM that freezes the filesystem before snapshots are taken, ensuring data consistency and preventing corruption on restore. This guide covers installation on Linux and Windows, configuration with KVM/libvirt and Proxmox, plus troubleshooting for common issues.

VMware

vCenter Backup: Why Snapshots Aren’t Enough and a Guide to Setting Up File-Based Backup Properly

By IT From Zero June 20, 2026

Learn how to configure File-Based Backup for VMware vCenter (VCSA) to protect your management system. A detailed guide from automated setup to real-world recovery.

Virtualization

Mastering virsh: Pro Tips for Managing KVM Virtual Machines via Command Line

By IT From Zero June 17, 2026

Learn how to use virsh for professional KVM virtual machine management. This guide covers everything from basic commands to advanced techniques like snapshots, cloning, and CPU Pinning.

Virtualization

Enable Hyper-V on Windows 11 and Create Virtual Machines with PowerShell: Practical Tips for Developers

By IT From Zero June 16, 2026

A guide to enabling Hyper-V on Windows 11 and creating Linux/Windows VMs with PowerShell — from checking CPU support and creating virtual switches to automation scripts that spin up an Ubuntu VM in minutes. Practical tips for developers who need a Linux environment directly on their Windows machine without installing extra software.

Virtualization

Kasm Workspaces on Ubuntu: Setting Up Browser Isolation and Open-Source Desktop-as-a-Service

By IT From Zero June 16, 2026

A complete guide to installing Kasm Workspaces on Ubuntu for open-source Browser Isolation and Desktop-as-a-Service. An effective security solution for remote DevOps teams — easy to deploy and free with the Community Edition.

Virtualization

KVM/Proxmox Snapshot Management: Don’t Let the ‘Undo’ Button Become a Data Loss Disaster

By IT From Zero June 15, 2026

Managing KVM and Proxmox snapshots is more than just clicking a button. Learn how to use QEMU Guest Agent, handle snapshot chains, and optimize disk performance for 100% data safety.