Virtualization – Page 5 – ITFROMZERO

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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.

Virtualization

Kata Containers: When VM Security Meets Container Speed

By admin April 29, 2026

A guide to installing Kata Containers to combine VM security with container speed. Learn to configure microVMs for Docker and compare QEMU vs Firecracker.

Virtualization

Build Your Own Pro VDI System with Proxmox and Apache Guacamole: Smooth Remote Desktop via Browser

By admin April 28, 2026

Learn how to build a professional personal VDI system. Use Proxmox VE and Apache Guacamole for smooth access to Windows/Linux VMs via a web browser, optimized for speed and security.

Virtualization

Proxmox Cluster Network Management: Stop Manually Editing Configs, Use SDN!

By admin April 27, 2026

Forget manual interface file editing! Here is a detailed guide on configuring SDN in Proxmox VE for centralized, secure, and fast VLAN and VNet management across your cluster.

Virtualization

Multipass: Create Ubuntu VMs in 30 Seconds – The Ultimate VirtualBox Alternative

By admin April 26, 2026

Multipass is a high-speed Ubuntu VM creation tool by Canonical. This guide shows how to replace heavy VirtualBox with a lightweight, native hypervisor solution.

Virtualization

Incus on Ubuntu: Installation Guide and Upgrading from LXD

By admin April 24, 2026

Incus is a fully open-source fork of LXD that removes Snap and optimizes performance. Read our guide to installing and configuring Incus on Ubuntu for efficient container/VM management.

Virtualization

Mastering HashiCorp Packer: Automating Proxmox and VMware VM Template Creation

By admin April 24, 2026

Learn how to use HashiCorp Packer to automate the Virtual Machine (VM) template creation process on Proxmox and VMware. Save 90% of setup time for DevOps and SysAdmins.