On Monday 16 August 2010 11:30:36 Nganon wrote:
> On 16 August 2010 11:36, Marco <listworks@gmail.com> wrote:
> > On Mon, Aug 16, 2010 at 1:11 AM, Nganon

> > <nganon+gentoo@gmail.com<nganon%2Bgentoo@gmail.com>>

> >
> > wrote:
> > > [...]
> > > Here is what I wanna do. I want to have only one big backup for, say,
> > > userA-2010.08.07.tgz and other small backup tars containing only the
> > > files/folders that were modified since last update, 2010.08.07, as
> > > userA-diff-2010.08.14.tgz, userA-diff-2010.08.21.tgz,
> > >
> > >  userA-diff-2010.08.28.tgz
> > >
> > > etc. Now if I want to take the userA back to the future, 2010.08.21,  I
> >
> > want
> >
> > > to
> > > do it by first extracting the huge tar userA-2010.08.07.tgz and then
> > > the tiny
> > > backup userA-diff-2010-08-21.tgz.
> >
> > backup2l can do exactly what you want:
> >
> > http://backup2l.sourceforge.net/
>
> Nice one indeed. Exactly does what I want. It is also good that the backups
> can be use without the program itself.
>
> It does not seem to be updated since 2009 but I will give it a try.

Not sure if it's in an overlay, but I don't think it's in portage.

Run eix -l backup and see how many back up tools and scripts pop up.

I have been using tar, star and rsync.  They all work and they can all make
incremental back ups.  You'll find that a lot of the other 'smart' back up
applications are based on these anyway.

HTH.
--
Regards,
Mick