I think I have a typo both in the script and serve. There's supposed to be "" at the end of the line of
/usr/bin/rclone bisync drive: ~/sync
One highlight is that the steps for setting up systemd file watchers and timers can be used for anything you want and you most likely already haver systemd installed on your Linux.
This tutorial works exactly the same for following providers/methods:
1Fichier
Akamai Netstorage
Alibaba Cloud (Aliyun) Object Storage System (OSS)
/usr/bin/rclone bisync drive: ~/sync