mkdir -p ~/z5206677

# The system doesn't have curl, wget, htop


# Turn off iptables

Gaining SSH Access

Enter commands via serial (baud 115200)

• Remove drop port 22 rule
  • iptables -D INPUT -p tcp -m tcp --dport 22 -j DROP

Set up SSH access via public key

• ssh-keygen
• ssh-copy-id root@192.168.8.1 (IP address during AP mode [i.e. setup])

Imaging

# Dump the eMMC via SSH to a local computer

IP=192.168.8.1
for partition in `ssh root@$IP "ls /dev/mmcblk0?* -1"`
do
    ssh root@$IP "sudo dd if=$partition bs=1M" | dd of=$(basename $partition).img
done

https://featherbear.cc/UNSW-CSE-Thesis/posts/device-actions/