The Vormox blog
Guides, deep dives and product news on automating Proxmox VE at scale.
Blog posts
Configuring SR-IOV for High-Performance VM Networking on Proxmox VE 8
Virtio-net hits a wall under sustained high-throughput or latency-sensitive workloads. Here's how to enable SR-IOV on Proxmox VE 8 so VMs talk to Intel NIC virtual functions directly, bypassing the host data path entirely.
How to Set Up Email Notifications in Proxmox VE (SMTP Targets)
Learn how Proxmox VE's notification system works, and set up SMTP targets and matchers so backup failures and system alerts actually reach your inbox.
Recovering From LVM-Thin Metadata Exhaustion on Proxmox VE
A Proxmox VE thin pool can hit 100% metadata usage while data space still looks fine, sending VMs into read-only I/O errors. Here's how to diagnose it with lvs and dmsetup, fix it live with lvextend, and stop it from recurring.
How to Reset a Forgotten Root Password in Proxmox VE
Locked out of your Proxmox VE host? Learn how to reset a forgotten root password using GRUB recovery mode, a live-CD fallback, and the separate process for LXC containers.
How to Mount an NFS Share as Storage in Proxmox VE
Learn how to export a folder from a NAS or Linux server and mount it as NFS storage in Proxmox VE, so you can store ISOs, backups, and templates without filling up your host's local disk.
Diagnosing and Fixing Failed Proxmox VE Storage Replication Jobs
ZFS-based replication keeps Proxmox VE HA working without a SAN, but jobs fail quietly from broken snapshot chains, renamed storage IDs, and full target pools. Here's how to read pvesr's errors, find the real root cause, and trust the GUI again.
Diagnosing GPU Passthrough Failures on Proxmox VE 9.x: IOMMU Groups, VFIO Binding, and Reset Quirks
GPU passthrough breaks in a handful of predictable ways: driver race conditions at boot, messy IOMMU groups, GPUs that won't reset cleanly, and firmware unity-map restrictions on newer hardware. Here's how to diagnose and fix each one on Proxmox VE 9.x.
How to Enable the QEMU Guest Agent in Proxmox VE (And Why You Should)
A blank IP field and a VM that won't shut down cleanly both trace back to one missing service. Here's how to enable the QEMU Guest Agent in Proxmox VE, step by step, on Linux and Windows guests.
Proxmox VE VXLAN Overlays: Building Multi-Node SDN Networks That Actually Work
A practical walkthrough of building multi-node VXLAN overlays with Proxmox VE SDN, covering MTU pitfalls, peer list mistakes, firewall gotchas, and the exact commands to diagnose a tunnel that looks applied but drops traffic.