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<TITLE>SMB HOWTO: Backing Up Windows Machines to a Linux Host</TITLE>
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<H2><A NAME="s11">11. Backing Up Windows Machines to a Linux Host</A></H2>
<P>Adam Neat (
<A HREF="mailto:adamneat@ipax.com.au">adamneat@ipax.com.au</A>) kindly contributed the following script to back up Windows machines to a Linux host, using the smbclient utility. Adam says that it is used to backup Windows 3.x and NT machines to a Linux based DAT SCSI Drive.
<P>Adam is not proud of the coding style used here, but it works. As I like to say, "If it works and its stupid, then it is not stupid".
<P>Another Windows backup script, contributed by Dan Tager (
<A HREF="mailto:dtager@marsala.com">dtager@marsala.com</A>), is provided below. Dan's script also backs up Unix machines via rsh, although that could be modified to use ssh rather easily.
<P>In this script, the string 'agnea1' is the username on the Linux machine that does the backups.
<P>
<BLOCKQUOTE><CODE>
<HR>
<PRE>
#!/bin/bash
clear
echo Initialising ...
checkdate=`date | awk '{print $1}'`
if [ -f "~agnea1/backup-dir/backup-data" ]; then
echo "ERROR: No config file for today!"
echo "FATAL!"
exit 1
fi
if [ -d "~agnea1/backup-dir/temp" ]; then
echo "ERROR: No tempoary directory found!"
echo
echo "Attempting to create"
cd ~agnea1
cd backup-dir
mkdir temp
echo "Directory Made - temp"
fi
if [ "$1" = "" ]; then
echo "ERROR: enter in a machine name (ie: cdwriter)"
exit 1
fi
if [ "$2" = "" ]; then
echo "ERROR: enter in a SMB (Lan Manager) Resource (ie: work)"
exit 1
fi
if [ "$3" = "" ]; then
echo "ERROR: enter in an IP address for $1 (ie:
130.xxx.xxx.52)" exit 1
fi
#############################################################################
# Main Section
#
#############################################################################
cd ~agnea1/backup-dir/temp
rm -r ~agnea1/backup-dir/temp/*
cd ~agnea1/backup-dir/
case "$checkdate"
in
Mon)
echo "Backuping for Monday"
cat backup-data | /usr/local/samba/bin/smbclient
\\\\$1\\$2 -I$3 -N echo "Complete"
if [ -d "~agnea1/backup-dir/Monday" ]; then
echo "Directory Monday Not found ...
making" mkdir
~agnea1/backup-dir/Monday
fi
echo "Archiving ..."
cd ~agnea1/backup-dir/temp
tar -cf monday.tar * echo "done ..."
rm ~agnea1/backup-dir/Monday/monday.tar
mv monday.tar ~agnea1/backup-dir/Monday
;;
Tue)
echo "Backuping for Tuesday"
cat backup-data | /usr/local/samba/bin/smbclient
\\\\$1\\$2 -I$3 -N echo "Complete"
if [ -d "~agnea1/backup-dir/Tuesday" ]; then
echo "Directory Tuesday Not found ...
making" mkdir
~agnea1/backup-dir/Tuesday
fi
echo "Archiving ..."
cd ~agnea1/backup-dir/temp
tar -cf tuesday.tar *
echo "done ..."
rm ~agnea1/backup-dir/Tuesday/tuesday.tar
mv tuesday.tar ~agnea1/backup-dir/Tuesday
;;
Wed)
echo "Backuping for Wednesday"
cat backup-data | /usr/local/samba/bin/smbclient
\\\\$1\\$2 -I$3 -N echo "Complete"
if [ -d "~agnea1/backup-dir/Wednesday" ]; then
echo "Directory Wednesday Not found
... making" mkdir
~agnea1/backup-dir/Wednesday
fi
echo "Archiving ..."
cd ~agnea1/backup-dir/temp
tar -cf wednesday.tar *
echo "done ..."
rm ~agnea1/backup-dir/Wednesday/wednesday.tar
mv wednesday.tar ~agnea1/backup-dir/Wednesday
;;
Thu)
echo "Backuping for Thrusday"
cat backup-data | /usr/local/samba/bin/smbclient
\\\\$1\\$2 -I$3 -N echo "Complete"
if [ -d "~agnea1/backup-dir/Thursday" ]; then
echo "Directory Thrusday Not found ...
making" mkdir
~agnea1/backup-dir/Thursday
fi
echo "Archiving ..."
cd ~agnea1/backup-dir/temp
tar -cf thursday.tar *
echo "done ..."
rm ~agnea1/backup-dir/Thursday/thursday.tar
mv thursday.tar ~agnea1/backup-dir/Thursday
;;
Fri)
echo "Backuping for Friday"
cat backup-data | /usr/local/samba/bin/smbclient
\\\\$1\\$2 -I$3 -N echo "Complete"
if [ -d "~agnea1/backup-dir/Friday" ]; then
echo "Directory Friday Not found ...
making" mkdir
~agnea1/backup-dir/Friday
fi
echo "Archiving ..."
cd ~agnea1/backup-dir/temp
tar -cf friday.tar *
echo "done ..."
rm ~agnea1/backup-dir/Friday/friday.tar
mv friday.tar ~agnea1/backup-dir/Friday
;;
*)
echo "FATAL ERROR: Unknown variable passed for day"
exit 1;;
esac
###########
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>Here's Dan's backup script:
<P>
<BLOCKQUOTE><CODE>
<HR>
<PRE>
#!/bin/bash
BACKDIR=3D/backup
WINCMD=3D/usr/bin/smbclient
function CopyWinHost(){
# tars and gzips "windows shares" to a local directory using samba's
# smbclient
# argument 1 is the remote host window's host name
# argument 2 is the share name to be backed up
echo $1,$2,$3
REMOTE=3D$1
SHARE=3D$2
DEST=3D$3
# create a tarred gzip file using samba to copy direct from a
# windows pc
# 12345 is a password. Needs some password even if not defined on
# remote system
$WINCMD \\\\$REMOTE\\$SHARE 12345 -Tc -|gzip > $DEST
echo `date`": Done backing up "$REMOTE" to "$DEST
echo
}
function CopyUnixHost(){
# tars and gzips a directory using rsh
# argument 1 is the name of the remote source host
# argument 2 is the full path to the remote source directory
# argument 3 is the name of the local tar-gzip file. day of week
# plus .tgz will be appended to argument 3
REMOTE=3D$1
SRC=3D$2
DEST=3D$3
if rsh $REMOTE tar -cf - $SRC |gzip > $DEST; then
echo `date`": Done backing up "$REMOTE":"$SRC" to "$DEST
else
echo `date`": Error backing up "$REMOTE":"$SRC" to "$DEST
fi
}
# $1: win=3Dbackup windows machine, unix=3Dbackup unix machine
case $1 in
win)
# $2=3D remote windows name, $3=3Dremote share name,
# $4=3Dlocal destination directory
CopyWinHost $2 $3 $4;;
unix)
# $2 =3D remote host, $3 =3D remote directory,
# $4 =3D destination name
CopyUnixHost $2 $3 $4;;
esac
</PRE>
<HR>
</CODE></BLOCKQUOTE>
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