Remote Backup Using tar Over ssh

[Steve Nospam]

--- Kurt Wall <kwall at kurtwerks.com> wrote:
> I needed to move a directory tree from one machine
> to another on my 
> local network. Interested in doing so in as few
> steps as possible,
> I found a tar over ssh invocation worked quite
> handily:
> 
> tar cf - /old_web | ssh root at luther tar xf -
> /var/www/htdocs/old
> 
> This creates  a tar archive of /old_web, sending the
> created
> output to stdout. The output is piped to the stdin
> of a tar 
> command invoked over ssh, which deposits the output
> into
> /var/www/htdocs/old on the destination machine
> (luther).
> 
> I'm sure there are more elegant ways to do this, but
> IWFM.
> 
> As always, YMMV and if it breaks, you get to keep
> both pieces.
> 
> Kurt

I recently needed to move all of a WinXP install to
another disk.  I did a similar technique as above
except that I booted a copy of Knoppix on each machine
and then used my network.  
# faucet 1234 -out tar -cvf - / on the originating
machine

on the receiving machine
# cd mnt
# umask 000
# hose 192.168.10.20 1234 -in tar --same-owner -xvpf -
thanks to John Newbigin for the technique above
I then did a recovery install of XP and bingo I had
everything just like it was on the old machine.  It
was the easiest migration I've ever done.

Steve


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