[NTLUG:Discuss] Using SCP (SSH?) in a pipe

[Kenneth Loafman]

MadHat wrote:
> 
> On Fri, 2002-03-15 at 12:05, Kenneth Loafman wrote:
> > I think I saw it here...
> >
> > What I want to do is:
> >
> >     tar cvz filelist | scp user at backup:foo
> >
> > but there's some magic I'm missing.  Any clues?  I've gone blank.
> 
> running tar, you have to say
> tar cvf "TARFILE" filelist, if you want to pipe it, you have to do
> tar cvs - filelist | whatever
> if you care you to do what you want, it will be ssh not scp, so
> something like
> tar cvf - filelist | ssh user at host 'gzip - > file.tgz'
> because what ever you do, you have to redirect the output on the other
> side.  you are sending the output of the tar across the wire on STDOUT.
> 
> as if that makes sense.

Actually, it does make sense as a backup mechanism, multiple computers
to an offsite backup storage somewhere.  Saves having two steps, one to
create the backup, then one to send it offsite.

...Ken