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11. Резервирование данных с машин с Windows на машину с Linux

Adam Neat ( adamneat@ipax.com.au) предоставил следующий скрипт, который выполняет резервирование данных с машин с Windows machines на машину с Linux, используя утилиту smbclient. Adam сказал, что он использует этот скрипт для резервирования данных с машин с Windows 3.x и NT на диск DAT SCSI под Linux.

Adam не гордится стилем программирования, используемым в этом примере, но это работает. Как я хочу сказать: "Если это работает и это сделано тупо, то это не тупо".

Другой скрипт для сохранения данных с Windows, предоставлен Dan Tager ( dtager@marsala.com) и приводится ниже. Скрипт присланный Dan также может сохранять данные с машин с Unix через rsh, хотя он может легко быть изменен для использования ssh.

В этом скрипте строка 'agnea1' является именем пользователя на машине с Linux, на которую производится резервирование данных.


#!/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
###########

Вот скрипт предоставленный Dan:


#!/bin/bash

BACKDIR=3D/backup
WINCMD=3D/usr/sbin/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


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