The Vormox blog
Guides, deep dives and product news on automating Proxmox VE at scale.
Blog posts
Enabling SR-IOV for Network Interface Cards in Proxmox VE 9: A Complete Configuration Guide
A practical, end-to-end guide to enabling SR-IOV on Proxmox VE 9: BIOS and IOMMU prerequisites, creating and persisting Virtual Functions, and assigning them to VMs for near-native network performance.
How to Enable and Install the QEMU Guest Agent in Proxmox VE
Learn what the QEMU Guest Agent is, why Proxmox VE needs it, and how to enable and install it step by step on Linux and Windows virtual machines.
How to Configure a Static IP Address on Your Proxmox VE Host
Learn why a Proxmox VE host needs a fixed IP address, then follow a step-by-step guide to setting one up safely through the web interface or the network configuration file.
Diagnosing and Fixing Flapping Ceph OSDs in a Proxmox VE Hyper-Converged Cluster
A field-tested workflow for diagnosing flapping and down Ceph OSDs on Proxmox VE 9.2 clusters: network, disk, memory, and clock-skew root causes, with exact pveceph and ceph CLI commands to stabilize and fix the cluster.
How to Create an LXC Container in Proxmox VE (Step-by-Step Guide)
Learn what an LXC container is, how it differs from a virtual machine, and how to create your first Linux container in Proxmox VE using both the web interface and the command line.
Troubleshooting Corosync Cluster Communication Failures in Proxmox VE
A practical field guide to diagnosing and fixing corosync communication failures in Proxmox VE clusters, covering symptoms, root causes, diagnostic commands, redundant link configuration, and best practices to prevent HA fencing incidents.
How to Enable QEMU Guest Agent in Proxmox VE (Beginner Guide)
Learn what the QEMU Guest Agent does in Proxmox VE, why it matters for clean shutdowns and reliable backups, and how to install and enable it step by step on both Linux and Windows virtual machines.
Configuring SR-IOV Network Passthrough for High-Performance VMs in Proxmox VE
Learn how to enable SR-IOV networking on Proxmox VE to give VMs near-native NIC performance, from IOMMU setup and virtual function creation to hostpci assignment and production trade-offs.
How to Fix the "No Valid Subscription" Error in Proxmox VE
Seeing the "No valid subscription" pop-up in Proxmox VE? Learn what it means and how to switch to the free no-subscription repository so updates work again, step by step.