Best local backup program for upload to cloud?
ubuntu at prpcompany.com
Fri Dec 5 16:00:09 UTC 2014
I'm still working on a solution for the problems I raised in the thread
"A survey of GUI-based free online backup."
I have swung this way and that looking for the best approach. Time and
again, I have found something that is promising in one regard but
undesirable in another.
Here is where I am right now.
Copy.com offers 15GB of free storage with a Linux client, but the client
is really just a sync program, and you have to place all your files in a
designated sync folder. If you don't want to do that, you could backup
all your user files to the designated sync folder.
Box.com offers 10GB of free storage. They don't have a Linux client,
but they do support WebDAV. So you need either a backup program that
supports WebDAV, or you can use davfs2 to map a local drive to the
WebDAV resource, and then back up to the mapped drive. In either case
you need a backup program.
So with either Copy.com or Box.com, the backup program is a critical
Notes on a couple of promising backup programs:
Duplicity (say, with front end Deja Dup) has lots of strengths, but a
full backup should be run periodically, and you really don't want to do
that because of the difficulty of a multi-GB upload.
Duplicity -- why a periodic full backup? See
where it says:
/Thus, in principle, you could just create one full backup and then
use incremental backups for the changes. The developers of Duplicity
warn customers, however: Not only can a mistake in one incremental
part ruin the entire backup, but restoring files takes quite a long
time if the software needs to run through all the incremental backups/.
Duplicati 2 (based on Duplicity) overcomes that problem with an approach
that reliably merges 100KB diffs into an existing full backup (a
shameful imprecise description, but at least brief). The 100KB chunk
size keeps uploads reasonable. It supports Google Drive, MS Onedrive,
and other destinations. But the Linux version requires installing Mono,
which can run the Duplicati C# code that also runs on .NET Framework
under Windows. This is convenient for a small project to extend its
platform reach, but it seems to me that it introduces security risks,
since .NET Framework malware does exist. [Note: Whether it poses a real
risk is still under debate. If the risk is imaginary, then Duplicati 2,
though still a Preview version, is the best solution I have seen.]
This may be an impossible spec, but I'd like to find a backup program that:
- will run in Lubuntu without installing a load of dependencies for
- has a GUI (perhaps largely for the sake of Restores by average users)
- doesn't require a periodic full backup
- supports good encryption
- supports compression
- supports breaking the backup into nicely uploadable small chunks
- is not buggy
- preferably does auto-deletion of older backups, or supports
versioning, or will send an email when a backup fails
If that is an impossible spec in the current state of affairs, I'd like
opinions on the best compromises.
(I've been using SpiderOak, which has a nice Linux client and 2GB of
free storage, but that's not much storage these days, and I'd like to
hit on a better free solution that I can set up on systems that I put
together for people.)
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