download.sh

#!/bin/sh

# check the network first

serverip=$(cat /tmp/serverip)

while true; do

ping -c 5 $serverip;

if [ $? = 0 ];then

break;

fi

done

# then disable the firewall

/etc/init.d/firewall stop

cd /tmp

tftp -g -r rootfs.tar.gz $serverip

cd /

format.sh

#!/bin/sh

mmcdev=/dev/mmcblk0

# check device

while true;do

if [ -e $mmcdev ];then

break;

else

sleep 1;

fi

done

echo "d

n

p

1

w" |/usr/sbin/fdisk $mmcdev

mmcpart=${mmcdev}p1

while true;do

if [ -e $mmcpart ];then

break;

else

sleep 1;

fi

done

echo "y

" | /usr/sbin/mkfs.ext4 $mmcpart

 

install.sh

#!/bin/sh

mmcpart=/dev/mmcblk0p1

if [ ! -e $mmcpart ];then

echo "format the eMMC device failed";

exit

fi

tarfile=/tmp/rootfs.tar.gz

if [ ! -f $tarfile ]; then

echo "download the armbian failed";

exit

fi

mount $mmcpart /mnt

if [ $? = 1 ];then

echo "format the eMMC device failed";

exit

fi

cd /mnt

tar vxzf $tarfile

cd /

umount /mnt

echo "install finish"