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

[tastytea <gentoo@tastytea.de>]

On 2024-03-28 07:32+0100 "J. Roeleveld" <joost@antarean.org> wrote:

> On Wednesday, 27 March 2024 20:54:14 CET Frank Steinmetzger wrote:
> > Am Wed, Mar 27, 2024 at 03:42:07PM -0400 schrieb Matt Connell:  
> > > On Wed, 2024-03-27 at 19:58 +0100, J. Roeleveld wrote:  
> > > > 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.  
> > > 
> > > I've been using syncthing for years and am extremely pleased with
> > > it. It works so well that I sometimes forget that its there,
> > > truly in the It Just Works category of software.  
> > 
> > Syncthing is also a good idea. The major difference: syncthing is a
> > permanently running daemon, so changes are synced very fast (the
> > interval is configurable, IIRC). OTOH, Unison is run individually
> > by you. That’s why I prefer the latter: in case I broke some file
> > on my machine, I can get it back from another machine without
> > having to break out the backup disk (which may not even have what I
> > need because my backup interval is too big).  
> 
> I had a quick look and it seems to depend on systems running outside
> of my network. Can it be used without any link to a "centralised"
> server?

yes, you can disable the external servers. if the systems are running on
the same LAN (same VPN could work too?) they should find each other
nevertheless. or you could host your own discovery/relay server
somewhere.