若/dev/hda1为windows下的fat32分区，则mkdir /mnt/win_c, /var/www为你要备份的目录
写如下脚本,保存为/root/backup_var_www.sh,加上执行权限。
#!/bin/bash
if ! grep -q '/dev/hda1' /proc/mounts
then
mount /dev/hda1 /mnt/win_c || exit
fi
backup_ball="/mnt/win_c/var_www_$(date +%F).tar.bz2"
if tar jcf $backup_ball /var/www
then
echo "$backup_ball backup succeeded. :)" | mail -s "backup OK" root
else
echo "$backup_ball backup failed. :(" | mail -s "backup FAILED" root
fi
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然后crontab -e
加入
30 4 * * 5 /bin/bash /root/backup_var_www.sh
即在每周五的4:30分执行备份操作。
（责任编辑：云子）
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