Nguyen - CapturedByNguyen

VM becomes unresponsive during Veeam backup: fix I/O starvation, VSS, and cgroup limits

VM becomes unresponsive during Veeam backup? It's usually I/O starvation from the agent eating disk bandwidth, or VSS freezing the filesystem.

NguyenOctober 9, 20263 min read

Technical

Proxmox LXC desktop works if you handle GPU and audio right. Here's the setup that actually runs a full Linux desktop in a container without the VM

NguyenOctober 9, 20262 min read

Technical

The Proxmox dark theme makes selected and hovered grid rows look identical. Here's a CSS override that restores the distinction.

NguyenOctober 8, 20261 min read

Technical

Proxmox export VM as OVA isn't in the GUI, but you can build a valid OVA from a VM with qm and tar. LXC containers can't be OVA at all.

NguyenOctober 8, 20262 min read

Technical

Proxmox has no official desktop client. You manage it through the web UI at port 8006. Here's what that looks like day to day, plus a few workable

NguyenOctober 7, 20262 min read

Technical

Cannot connect to port 8006 to access browser GUI? Start in the shell: check pveproxy, the network bind, and firewall rules in that order.

NguyenOctober 7, 20262 min read

Technical

USB passthrough fails mid-flash because the device resets. Pass through the whole USB controller instead of a single device to fix it.

NguyenOctober 6, 20262 min read

Technical

Migrate VM OS to physical device with dd and qemu-img, then fix the bootloader. Here's the Proxmox V2P process that actually works.

NguyenOctober 6, 20262 min read

Technical

Proxmox GUI not opening but CLI does? It's usually pveproxy, pvedaemon, certs, or firewall. Here's the CLI path to find which one.

NguyenOctober 5, 20261 min read

Technical

Trouble with node crashing in Proxmox? Work through this checklist: check logs, memory, storage, and hardware. Here's what to look at first.

NguyenOctober 5, 20261 min read