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Top Forums UNIX for Dummies Questions & Answers Schedule backup with crontab/tar Post 302851191 by Float on Sunday 8th of September 2013 07:04:22 AM
Old 09-08-2013
I think I might have misunderstood something fundamental about the syntax. Just entering
Code:
tar cvf important.tar important

gave me the tar file, and I read somewhere that using crontab will let you schedule any command by simply adding the schedule times before the command.

You've lost me. usr/bin/backup - is this a file you have created, and given it the code that you typed out? What kind of file is this? And is it necessary to give the path like you did, if it is in the same directory as the folder I want to be backed up? Can I do this with cronbar:

Code:
45 18 * * 6 /runthis

and then make a runthis.txt file with code:

Code:
rm important.tar
tar cvf important.tar important

to make it work?

---------- Post updated 08-09-13 at 01:04 PM ---------- Previous update was 07-09-13 at 06:43 PM ----------

My previous post only explains that I've got no idea what I'm doing. It is most helpful if you ignore it, and answer this:

How do I add the code to usr/bin/tar.exe?
I did ls -l in usr/bin and there is no backup but there is a tar.exe in there.
 

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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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