FIX: Proxmox container backup failing due to too many files

Symptoms Backing up a container fails with an error like the following: INFO: set max number of entries in memory for file-based backups to 1048576 [...] INFO: Error: upload failed: error at 'some/path/inside/the/container' [...] ERROR: Backup of VM 101 failed - command 'blah blah blah' failed: exit code 255 Count the number of files in the specified path inside the container. It&rsquo;s probably…