Syncing Preferences with Dropbox or Ubuntu One
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Comments
More syncing, please
One thing I'd love to see is the ability to sync info from podcast applications across machines -- what was downloaded, what was marked old or told not to download, what was already heard, etc.
For instance, say you're using Banshee to download podcasts, and you have two machines. You might have downloaded the day's listening on the laptop while at work/school/dentist office, etc., and you're already set. But the next time you open Banshee up on your desktop, all the podcasts you already downloaded and listened to show up, and you have to weed all those out just to make the interface manageable again.
The only issue is that kind of info is stored in a database, so it's not as simple as symbolically linking to a file stored in a cloud-backed directory. Plus you'd probably need to introduce something that identified if a feed's episode was already downloaded from a different machine.
Is there anything like this already available?
Proprietary application
Dropbox uses a proprietary application. There's no guarantee it's not doing naughty things under the covers. Rsync.net uses open source (webDAV, sshfs, sftp, etc.), and if you have to store info on the cloud, it's the service to use.
You're better off using a samba, nfs, or sshfs (preferred for ease of use and encryption) mounted directory to share preference information between your machines.
Unencrypted?
Better to use fuse encfs with that Dropbox directory so that access to configuration files containing clear text accounts and passwords is not compromised by a "data loss" on the part of your cloud storage provider.