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So if you’re not a system admin your easiest options are DigitalOcean build in Backups. You can read about it on the community blog Understanding DigitalOcean Droplet Backups.
Tldr: Backups/Snapshots are whole server backups at the point of time they are quested. When/If you want you can restore your server back to any Backup/Snapshot you have taken. If you wanted to acess just a certain file you would need to make a temp droplet from the image restore the file and then delete it.
If your after backups that are more frequent than weekly you can schedule Snapshots manually or use a service like the one I run SnapShooter which allows you to take them up to hourly.
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