Harry Putnam wrote:
Richard Elling <richard.ell...@gmail.com> writes:

Cake.  See below...

At high risk of sounding very stupid... I guess Cake went right over
my head.  Unless its short for `piece of cake'.  Ok now you now you
know how deep seated that vein of dimness really is.
[...]

and eat it, too... :-)

Administration -> Time Slider

The end goal being that user can go into these snapshots or whatever
else it may require and retrieve the same file for a day ago or a week
ago, or month etc if desired.

So there is a running copy of any changes going back in time.  And all
done in as little disk space as possible.
In Nautilus, the file browser, there is a button called "Restore"
which will show
you the views in past time.

I see now.. and now I remember reading a bit about it too.  But, its
not really like what I was talking about... or at least is not as fine
grained unless the Administration -> Time Slider app doesn't really
show how fine it can go.

It can go very fine, though you'll need to set the parameters yourself,
if you want to use different settings.  A few weeks ago, I posted a way
to see the settings, which the time slider admin tool won't show.  There
is a diminishing return for exposing such complexity, but you might try
an RFE if you feel strongly about it.
http://opensolaris.org/jive/thread.jspa?messageID=353761

If I wanted to be able to go back in time with just /etc for example.
Is it also possible?

Possible? Yes, to some degree. But that is probably not worth the complexity involved. The contents of /etc just doesn't change very often. Snapshots are done on a per-file system basis and /etc doesn't really warrant a separate file system -- and I'm not sure you can separate /etc from /, since it is required
early in the boot sequence.
-- richard

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