homelab – ITFROMZERO – Share tobe shared!

Virtualization tutorial - IT technology blog

Optimizing KVM Virtual Machine Performance with VirtIO Drivers and QEMU Tuning: Acceleration Techniques for Linux Guests

By admin March 20, 2026

Is your KVM virtual machine running sluggishly? This article will guide you on how to optimize performance for Linux guests. You'll learn to use VirtIO Drivers and QEMU Tuning techniques, based on practical experience from a homelab.

Virtualization

ZFS Storage for Proxmox VE: Setting Up Pools, Snapshots, and Checksum-Based VM Data Protection

By admin March 15, 2026

ZFS brings block-level data integrity checksums and instantaneous snapshots to Proxmox VE — solving the silent corruption problem that LVM-thin is completely blind to. This guide walks through creating a ZFS pool, configuring compression, automating daily snapshots, and scheduling periodic scrubs to protect your VM data.

Virtualization

virt-v2v Guide: Easily Convert Virtual Machines from VMware, Hyper-V to KVM

By admin March 14, 2026

Are you struggling to migrate virtual machines between virtualization platforms like VMware, Hyper-V, and KVM? This article will guide you on how to use the open-source virt-v2v tool to perform an efficient and automated conversion process, helping you optimize your infrastructure and simplify testing.

Virtualization

QEMU/KVM Installation and Configuration Guide on CentOS/RHEL: Optimizing Virtualization Performance

By admin March 13, 2026

KVM/QEMU on CentOS/RHEL is a high-performance virtualization solution, ideal for servers and homelabs. This article provides a detailed guide to installation, configuration, and performance optimization, sharing practical experience to help you master this platform from A to Z.

Virtualization

Automate Virtual Machine Deployment on Proxmox/KVM with Cloud-Init: Create Templates and Customize on First Boot

By admin March 13, 2026

Discover Cloud-Init on Proxmox/KVM: The solution for automating virtual machine deployment and configuration from the first boot. Save time, reduce errors, and increase consistency for your homelab infrastructure.

Virtualization

How to Configure Nested Virtualization on Proxmox VE: Running Hypervisors (ESXi, KVM) Inside Virtual Machines for Complex Lab Setups

By admin March 12, 2026

Create complex virtual labs like vCenter, Kubernetes clusters with Nested Virtualization on Proxmox VE. This article provides a step-by-step guide to enabling this feature, allowing you to run ESXi or KVM inside virtual machines to maximize existing hardware resources.

Virtualization

Creating and Managing Virtual Machines with Proxmox VE: From Installation to Real-World Monitoring

By admin March 7, 2026

A guide to creating and managing virtual machines with Proxmox VE via web UI and CLI — from installation, VM creation, snapshots, and template cloning to monitoring and backups. Includes practical qm commands and a Telegram alert script for VM downtime.

Virtualization

How to Install and Configure Proxmox Backup Server (PBS) for Automated VM Backups

By admin March 3, 2026

A step-by-step guide to setting up Proxmox Backup Server (PBS) for automated VM backups on Proxmox VE. Covers installation, creating a datastore, scheduling backup jobs, configuring prune policies, and restoring VMs — based on real-world experience running a 12-VM homelab.

Virtualization

KVM vs VirtualBox vs VMware: Choosing the Right Hypervisor for Your Use Case

By admin March 2, 2026

A comparison of KVM, VirtualBox, and VMware based on real benchmark performance, snapshots, networking, and guest integration — helping you choose the right hypervisor for each scenario: homelab, development, or production server.

Virtualization

KVM Installation and Usage Guide on Ubuntu: From Zero to Your First Virtual Machine

By admin March 1, 2026

KVM is a hypervisor built into the Linux kernel, offering better performance than VirtualBox and remaining stable after kernel updates. This guide covers installing KVM on Ubuntu, creating VMs from ISO using virt-install, and managing VMs daily with virsh — suitable for both servers and desktops.