the "DB and System Backup" module is for doing backups to AWS.
If you're not wanting to do it to AWS then local backups should be provided by your server hosting company I would expect.
Jamroom Hosting has buttons built into the control panel. (screenshot).
I presume your hosting company has some similar type of system.
If you're doing all the server stuff yourself, then you could export all the parts of your system to your local pc then store them somewhere:
Docs: "Downloading your site data from your jamroom server"https://www.jamroom.net/the-jamroom-network/documentation/jamroom-hosting/3950/downloading-your-site-data-from-your-jamroom-server