Technical
Nvidia GPU PCIe passthrough successful but driver fails to register device
GPU passthrough shows up but the Nvidia driver won't register it. Check x-vga, PCI realloc, and driver blacklist — here's what actually fixes it.
Technical
Proxmox add USB stick image as ISO: import a ready-made .img with qm importdisk
Proxmox add USB stick image as ISO? Skip the ISO conversion. Upload the .img to local storage and use qm importdisk to attach it as a VM disk.
Technical
Import Disk VMDK-qcow2 Unsupported image type ‘onolithicFlat: Fix It in Proxmox
Import Disk VMDK-qcow2 Unsupported image type 'onolithicFlat' error means your VMDK is a flat preallocated image.
Technical
VPS Crashing on Proxmox: Diagnose It with qemu-server and LXC Logs
VPS crashing on Proxmox? Check qemu-server logs, LXC OOM behavior, and a few settings generic guides miss. Here's the diagnostic checklist.
Technical
Uploading certificates caused access issues: fix Proxmox pveproxy user ownership
Uploading certificates caused access issues in Proxmox? The GUI upload breaks ownership on /etc/pve files. Fix it with a single chown command.
Technical
Enterprise iSCSI support in PVE: multipath and CHAP with a TrueNAS target
Enterprise iSCSI support in PVE works fine with a TrueNAS target. Set up multipath for failover and CHAP for auth, but expect some quirks with LUN mapping.
Technical
Can’t Access Proxmox Web GUI: Fix It Fast
Can't access Proxmox web GUI? Check the pveproxy service, port 8006, and your browser's cache. Here's the exact commands to fix it.
Technical
No SSH and GUI Access on Proxmox: Recover from the Console
No SSH and GUI access on Proxmox? Work through this console recovery path: check the network, restart pveproxy and pvedaemon, and verify the cluster
Technical
Proxmox configuration validation: check /etc/pve files before you reboot
Proxmox configuration validation is mostly manual. Use pvesh and pmxcfs to check /etc/pve files before a reboot saves you from a bad VM config.
Technical
proxmox backup server host restore: rebuilding the PBS host and reattaching an existing datastore
When the Proxmox Backup Server host itself dies, the datastore usually survives. Here's how to rebuild the host, reattach the datastore, and get backups running