There are many options for backing up data.
These options seem quite obvious:
Google Cloud: https://cloud.google.com/storage/pricing
Amazon S3 Storage: https://aws.amazon.com/s3/pricing/
S3 Storage
- AWS command line interface (CLI): https://aws.amazon.com/cli/
- Command line tool installation: https://docs.aws.amazon.com/cli/latest/userguide/awscli-install-linux.h…
- Mounting amazon s3 bucket on linux: https://cloud.netapp.com/blog/amazon-s3-as-a-file-system
- Ubuntu backup guide: https://www.unixmen.com/backup-files-ubuntu-debian-servers-amazon-s3/