Heck, I recently armed some old laptops with Proxmox to put them to good use instead of letting them gather dust in my ...
The fundamental problem is that unless your OS vendor coordinates ZFS updates with kernel updates, the burden falls on you to ...
Simply store pve_backup_usb.sh where you like and make it executable. /usr/local/bin/pve_backup_usb.sh is usually a good place. Updating is as simple as overwriting ...