Duplicity supports a bunch of protocols / target services (SFTP, dropbox, google drive, amazon S3 ...)
Duplicity uses asymmetric encryption (via gnupg)
so the backup commands can be run unattended.
(Your private key is not required for encryption during backup)
Comments
In case you haven't yet: Set up an automatic backup system.
If you prefer a graphical user interface consider backintime. https://www.howtogeek.com/110138/how-to-back-up-your-linux-s...
Otherwise check out duplicity. https://help.ubuntu.com/community/DuplicityBackupHowto
Duplicity supports a bunch of protocols / target services (SFTP, dropbox, google drive, amazon S3 ...)
Duplicity uses asymmetric encryption (via gnupg) so the backup commands can be run unattended. (Your private key is not required for encryption during backup)