Dropbox analogue with external file storage?

Question

Data synchronization

Please tell me if there is an analogue of Dropbox with the ability to connect an external file storage or the ability to connect such a storage to Dropbox.
There is a server with enough space (the space is limited only by the number of screws and their capacity), with access via FTP, SFTP, SSH, and whatever else. OS on the server is Lunux (Debian 5).
In this regard, the fees for space on Dropbox servers do not seem very reasonable.
PS Once again: I'm not interested in Dropbox analogues with 25 GB. I'm interested in the ability to store data on my server (which has 6 Tb, for example).
Versioning is not really necessary.
I would like the convenience of Dropbox and cross-platform (client for Windows 7, Linux, preferably Android - not the full version, of course, but access to the storage). Server, respectively under Linux.

Answer 1

Free skydrive skydrive.live.com/ 25 GB

Answer 2

if synchronization is needed, then you can take anything found by the ftpsync keyword
www.google.com/search?q=ftpsynс , the specific choice depends on the OS and detailed requirements
. If versioning is needed, then we take any version control system (SVN, Git, Mercurial).

Answer 3

WebDAV not?

Answer 4

mydrive.ch - 2 gigs for free, access to files via webdav.mydrive.ch/

Answer 5

In general, you raise “FTP, SFTP, SSH and anything else” on your server,
I still don’t understand what the question
is if the server is yours - why tie it to Dropbox ??

Answer 6

I put mercurial for such purposes, but this is a rather complicated thing, but powerful.

Answer 7

I don't know of a solution. but he would have dug in the direction of rsync.

Answer 8

Look at unison.

Answer 9

Webdav or samba will save you.