----- Forwarded message from Adi Stav <[EMAIL PROTECTED]> ----- Date: Thu, 23 Mar 2000 21:00:21 +0200 To: Gaal Yahas <[EMAIL PROTECTED]> Subject: Re: dd User-Agent: Mutt/1.1.5i From: Adi Stav <[EMAIL PROTECTED]> On Thu, Mar 23, 2000 at 06:48:38PM +0300, Gaal Yahas wrote: > On Thu, Mar 23, 2000 at 01:24:15PM +0200, Adi Stav wrote: > > > tar cf - . | (cd /target ; tar xvf -) > > > > You can also use the -C flag to specify the directory (I don't know if > > it's GNU-specific) to make it easier: > > > > tar cf - -C sourcedir | tar xvf - -C targetdir > > Oh, that's ugly :-) I see your point :) > > > Hmmm, anyone care to patch GNU cp to accpet - as either source or > > > destination? This is not a trivial change, of course, as it should > > > work more like a directory than like a file. > > > > Just use proc. > > > > cp file /proc/self/fd/0 > > > > is equivalent to cat. > > > > You can also use /proc/self/fd/2 if you want the file to go to error > > and so on. Unless I did not understand exactly what you meant. > > Say you want to back up your machine completely onto another. > > backup% nc -l -p 12345 > host.raw > host% dd if=/dev/hda | nc backup 12345 > > If host gets messed up, boot a rescue diskette on it, set up the > network, and do: > > host% nc -l -p 12345 | dd of=/dev/hda > backup% dd if=host.raw | nc host 12345 Hmm... Can't find any nc command on either a Red Hat or a Debian system. Looks pretty cool though. Now... I can't try rsh on this network here, but how about: host% dd if=/dev/hda1 | rsh backup "dd of=host.raw" > The degree by which you could trust cat or cp is unknown to me. In > these cases, I still use dd for something else than in vi <g> Trust? > -- > believing is seeing > [EMAIL PROTECTED] > http://www.forum2.org/gaal/ - Adi Stav ----- End forwarded message ----- ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
