Re: [gentoo-user] How to synchronise between 2 locations

["J. Roeleveld" <joost@antarean.org>]

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On Wednesday, 27 March 2024 20:37:27 CET Frank Steinmetzger wrote:
> Am Wed, Mar 27, 2024 at 08:18:14PM +0100 schrieb ralfconn:
> > Il 27/03/24 19:58, J. Roeleveld ha scritto:
> > > Hi all,
> > > 
> > > I am looking for a way to synchronise a filesystem between 2 servers.
> > > Changes can occur on both sides which means I need to have it
> > > synchronise in both directions.
> > > 
> > > Does anyone have any thoughts on this?
> > > 
> > > Also, both servers are connected using a slow VPN link, which is why I
> > > can't simply access files on the remote server.
> 
> +1 for Unison. I’ve been using it for many years now to synchronise between
> the four PC systems in my household.
> 
> > I use it just for that but can't say anything about the VPN bit, my
> > servers are on local network.
> 
> Unison creates a local index of all files it syncronised. So when you move a
> file around on one end, Unison will notice that because the file at the new
> location has the same hash as the file at the old location. As a result, it
> does not transmit the file anew to the remote host, but instead copies it
> locally on the remote host.
> 
> Since Unison uses ssh underneath, you can use ssh’s transparent compression
> to speed up the transfer.

Unison sounds interesting. How does it handle conflicts (eg, file is changed on 
both sides?)

--
Joost

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