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Full Discussion: extract from tar backup
Top Forums UNIX for Advanced & Expert Users extract from tar backup Post 9410 by Perderabo on Friday 26th of October 2001 09:16:38 AM
Old 10-26-2001
When you make a tar archive and give absolute pathnames as you have done, tar will demand that the files be untarred into the same exact place. So you need to use relative pathnames instead.

cd /Accounts/2001/10
tar -cvf Act26.tar 26
will backup the 26 directory and everything under it.

cd /Accounts/2001/10/26
tar -cvf Act26.tar .
will exclude even the "26" directory and only get the contents in the tarball.

I can't be sure which of these two options you really want.

If you can't recreate the tarball, you may still have some options. I have never used gnutar, but I understand that it has an option for this. Also, maybe you can create /Account/2001 temporarily and then symlink /Accounts/2001/10 to the real directory. Finally, I once used "/usr/sbin/chroot tar xvf xx.tar" when I was in a simliar bind. But it was hard to set up the chroot'ed environment. I had to fiddle with it until it worke
 

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LEARN ABOUT DEBIAN

virt-tar-in

virt-tar-in(1)						      Virtualization Support						    virt-tar-in(1)

NAME

       virt-tar-in - Unpack a tarball into a virtual machine disk image.

SYNOPSIS

	virt-tar-in -a disk.img data.tar /destination

	virt-tar-in -d domain data.tar /destination

	zcat data.tar.gz | virt-tar-in -d domain - /destination

WARNING

       Using "virt-tar-in" on live virtual machines can be dangerous, potentially causing disk corruption.  The virtual machine must be shut down
       before you use this command.

DESCRIPTION

       "virt-tar-in" unpacks an uncompressed tarball into a virtual machine disk image or named libvirt domain.

       The first parameter is the tar file.  Use "-" to read the tar file from standard input.	The second parameter is the absolute target
       directory to unpack into.

EXAMPLES

       Upload a home directory to a guest:

	virt-tar-in -d MyGuest homes.tar /home

JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH

       This command is just a simple shell script wrapper around the guestfish(1) "tar-in" command.  For anything more complex than a trivial
       copy, you are probably better off using guestfish directly.

OPTIONS

       Since the shell script just passes options straight to guestfish, read guestfish(1) to see the full list of options.

SEE ALSO

       guestfish(1), virt-cat(1), virt-copy-in(1), virt-copy-out(1), virt-edit(1), virt-make-fs(1), virt-tar-out(1), <http://libguestfs.org/>.

AUTHORS

       Richard W.M. Jones ("rjones at redhat dot com")

COPYRIGHT

       Copyright (C) 2011 Red Hat Inc.	<http://libguestfs.org/>

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
       Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

libguestfs-1.18.1						    2013-12-07							    virt-tar-in(1)
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