Creating and debugging the node linux image

Debug using Qemu

• Install qemu: Debian >= 9
  
  apt-get install qemu-system-arm qemu-efi

• Run
  
  DISK_EFI='efi.img' DISK_SYS='node.img' IMAGE='c4.img'
  
  cloud-localds cloud.img cloud.txt
  
  wget -O $IMAGE https://cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-arm64-uefi1.img
  
  dd if=/dev/zero of=$DISK_EFI bs=1M count=64 dd if=/usr/share/qemu-efi/QEMU_EFI.fd of=$DISK_EFI conv=notrunc dd if=/dev/zero of=$DISK_SYS bs=1M count=64
  
  sudo qemu-system-aarch64 -m 1024 -cpu cortex-a57 -M virt -nographic -pflash $DISK_EFI -pflash $DISK_SYS -drive if=none,id=cloud,file=cloud.img -drive if=none,file=$IMAGE,id=hd0 -device virtio-blk-device,drive=hd0 -netdev type=tap,id=net0 -device virtio-net-device,netdev=net0