Changing VMID of a VM in Proxmox: Backup/Restore vs Config Edit
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.
Homelab & Vietnam
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.
Immutable backup on a homelab means more than prune schedules. PBS cannot make backups truly immutable—here's what you can actually enforce without a cloud
The nvme0: controller is down error on Proxmox is usually PCIe power management, not a dead drive. Disable ASPM and try a kernel boot parameter first.
Disk pressure in Rancher on Proxmox usually isn't about eviction thresholds. It's the LXC storage layer and Rancher's image garbage collection.