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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.

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.

Virtualization

Creating a Windows VM Template on Proxmox with Sysprep and VirtIO Drivers: Clone VMs in Minutes

By IT From Zero June 13, 2026

A step-by-step guide to creating a Windows VM Template on Proxmox VE with VirtIO Drivers and Sysprep — from optimal VM configuration to batch deployment automation via the Python API. Includes real-world tips from homelab use: pre-sysprep snapshots, template versioning, and how to avoid duplicate SID issues when cloning.

Virtualization

How to Install Veeam Backup & Replication for Proxmox VE Virtual Machine Backup

By IT From Zero June 10, 2026

A comparison of vzdump, Proxmox Backup Server, and Veeam to help you choose the right backup solution for your environment. Step-by-step guide to installing Veeam Backup & Replication Community Edition for free, connecting Proxmox VE, creating backup jobs, and performing Instant VM Recovery.

Virtualization

Proxmox + InfluxDB + Grafana: The Secret to Enterprise-Grade VM Monitoring

By IT From Zero June 1, 2026

A guide to integrating Proxmox VE with InfluxDB and Grafana for professional monitoring. Solve metric storage issues and overcome default dashboard limitations.

Virtualization

Optimizing Huge Pages for Proxmox/KVM: Real-World Database Performance Tuning

By IT From Zero May 27, 2026

Accelerate Database and Redis on Proxmox by configuring Static Huge Pages. A detailed guide to reducing TLB misses and optimizing CPU performance by 10-15%.

Virtualization

CPU Pinning and NUMA Topology on Proxmox VE: Optimizing Virtual Machine Performance for Low Latency

By IT From Zero May 22, 2026

CPU pinning and NUMA topology are two VM performance optimization techniques that are often overlooked on Proxmox VE. This guide walks through the configuration step by step — from inspecting the host topology to pinning vCPUs and isolating cores — to reduce latency for workloads that demand low-latency performance, such as databases and real-time processing.

Virtualization

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

By IT From Zero 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.