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Full Discussion: Help with ssh,tar and logging
Top Forums Shell Programming and Scripting Help with ssh,tar and logging Post 302835931 by maverick_here on Tuesday 23rd of July 2013 10:30:40 AM
Old 07-23-2013
Help with ssh,tar and logging
Hi,

I'm successfully written a script which tar a directory and ssh's it over a remote server

Code:
tar cfv  - $SDIR  |  ssh $RHOST  "cat > $DDIR/backup.$BKPEXT.tar"

However, Im unable to log the activity to a file. i.e for example if I do

Code:
tar cfv  - $SDIR  |  ssh $RHOST  "cat > $DDIR/elc5.$BKPEXT.tar"  > logfile 2>&1

The logfile is empty even though the backup happens.

Please advice.

Thanks in advance

---------- Post updated at 08:00 PM ---------- Previous update was at 06:46 PM ----------

I have created a function to do the same job the tar command was doing and then I have redirected the function's output to the log file. It works.

Code:
TAR() {

   tar cfv  - $1  |  ssh $2  "cat > $3/project.tar"

 }


    TAR $SDIR $RHOST $DDIR  > $LOGFILE 2>&1

 

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LEARN ABOUT SUSE

virt-tar-out

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

NAME

       virt-tar-out - Pack a virtual machine disk image directory into a tarball.

SYNOPSIS

	virt-tar-out -a disk.img /dir files.tar

	virt-tar-out -d domain /dir files.tar

	virt-tar-out -d domain /dir - | gzip --best > files.tar.gz

DESCRIPTION

       "virt-tar-out" packs a virtual machine disk image directory into a tarball.

       The first parameter is the absolute path of the virtual machine directory.  The second parameter is the tar file to write.  Use "-" to
       write to standard output.

EXAMPLES

       Download the home directories from a guest:

	virt-tar-out -d MyGuest /home - | gzip --best > homes.tar.gz

JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH

       This command is just a simple shell script wrapper around the guestfish(1) "tar-out" 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-tar-in(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-out(1)
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