备份
sudo su
cd /
# tar cvpzf backup.tgz --exclude=/proc --exclude=/lost+found --exclude=/backup.tgz --exclude=/mnt --exclude=/media --exclude=/sys /
还原
sudo su
cd /
# tar xvpfz backup.tgz -C /
# mkdir proc
# mkdir lost+found
# mkdir mnt
# mkdir media
# mkdir sys