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Full Discussion: .tar and .tar.gz
Operating Systems AIX .tar and .tar.gz Post 302189194 by grial on Friday 25th of April 2008 07:50:43 AM
Old 04-25-2008
Quote:
Originally Posted by jim mcnamara
.tar is not compressed at all, it is just an archive format.
Exactly. A tar file is like a "package" but not compressed at all.
A .tar.gz (or .tgz in some cases) is just a gzip compressed tar file.
Quote:
Originally Posted by jim mcnamara
Linux (GNU tar) has non-standard extensions added to tar that other implmentations of tar do not have.
In this case, that extension is the "z" flag. Have a look to gtar man pages.
Quote:
Originally Posted by jim mcnamara
If the extra typing is a problem write a short shell script to do it.
For instance, in one line:
gzip -c myfile.tar.gz | tar xvf -
or
tar cvf - whatever | gzip -c > myfile.tar.gz
Regards.
 

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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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