Proxmox Cluster NFS: Frontend Connects, Backend Fails
The PVE cluster can connect to NFS via the dashboard on the frontend but fails from the backend? It's a routing issue. Here's the interface fix.
Homelab & Vietnam
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The PVE cluster can connect to NFS via the dashboard on the frontend but fails from the backend? It's a routing issue. Here's the interface fix.
EDID has corrupt header on Proxmox is usually harmless, but the log spam is annoying. Here's the kernel parameter to suppress it and when to worry.
Self-hosting business process automation software like n8n means zero licence fees but real costs in upgrades, backups, and midnight pages. Here's the ledger.
Changing VMID of a VM in Proxmox? Backup/restore is the safe way, but config edit works if you know the snapshot and symlink gotchas. Here's both.
Unprivileged containers break when files are owned by UIDs above 65536. Remap the range in the container config and chown the data — here's the exact fix.
PXE booting Proxmox but the installer can't find the ISO? It's usually the NFS export or the rootwait kernel param. Here's the fix.
Unexplained IO pressure stalls on Proxmox usually come down to ZFS and LXC resource limits. Here's how to pinpoint what's causing the hang and fix it.
LVM snapshots don't zero old blocks, so a new qcow2 on that chain can inherit stale data from a deleted VM. Here's the fix.
How do I setup Jellyfin on Proxmox with only 1 SSD for storage? Put it in an LXC, keep media and metadata on the same disk, and use RAM for transcodes.
Suspend each VM before Proxmox host shutdown with a simple systemd service—tested on PVE 8, no init.d hacks needed.