How to 'rsync' from one computer to another

[Eric Shubert]

I think the objective here is to copy the files directly from one drive 
to the other. No intermediate files or tarball required. ;)
You could use tar on both sides w/out ever having the tarball directly 
on a disk by piping it through ssh. I think rsync's the best solution 
though, given that he only wants to transfer files that have changed.

JD Austin wrote:
> Instead of writing all of the files to the disk make a tar ball and 
> write that to the disk.
> tar zcpvf tarball.tar.gz /sourcedir
> 
> On Wed, Feb 3, 2010 at 1:55 PM, Eric Shubert <ejs at shubes.net 
> <mailto:ejs at shubes.net>> wrote:
> 
>     joe at actionline.com <mailto:joe at actionline.com> wrote:
>      > What is the procedure and syntax to 'rsync' all of a specific set of
>      > directories and files from one computer to another that are on
>     the same
>      > network?
>      >
>      > I have been burning DVDs on one computer and copying those files
>     onto my
>      > other computer(s), but when I download all those files, the
>     permissions
>      > are all changed to be non-writeable files and directories.
>      >
>      > -r--r--r--  1 root root   9598 Feb  2 15:18 filenames
>      > dr-xr-xr-x  5 root root   6144 Feb  2 21:06 directory-names
> 
>     The files are not writable on the DVD, so when the DVD is copied to the
>     HD, they remain not writable.
> 
>      > Is there some way to globally fix that?
> 
>     The chmod command has an -R option. Otherwise, normal file name pattern
>     matching applies.
> 
>      > Or would 'rsync' be a better solution?
>      >
>      > I've never used 'rsync' and after reading the 'man' pages, I'm still
>      > confused.
> 
>     There are examples in the rsync man page. What specifically do you not
>     understand?
> 
>     We can't really give you the command you'd need to use without knowing
>     more specifics about the set of directories and machines (ip addresses?)
>     you're dealing with.
> 
>      > Is there a way to do this to preserve the file dates
> 
>     There is a -p flag for the cp and scp commands which does this.
> 
>      > and only copy those
>      > files that are newer (have more recent dates) onto the target system?
> 
>     You'll need to use rsync for this part.
> 
>     --
>     -Eric 'shubes'
> 
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-- 
-Eric 'shubes'