Armbian_Build_Tipps

Tipps for the Armbian Build System VM

Before booting:

• Resize image

  qemu-img resize ubuntu-22.04-server-cloudimg-amd64.img +30G
  modprobe nbd
  qemu-nbd -c /dev/nbd0 ubuntu-22.04-server-cloudimg-amd64.img
  parted
  -> resizepart 1 34.5GB
  -> quit
  qemu-nbd -d /dev/nbd0
  

• Add password entry to image

  This will set the root password to 'ubuntu'

  mkdir /tmp/mnt
  guestmount -a ubuntu-22.04-server-cloudimg-amd64.img -i /tmp/mnt
  sed -i 's/^root:\*/root:\$6\$oaTfTxnE\.4IDa1F9\$vkTjwFPGcdRdhm8JL0iz0Ts6dLWglzQWHIieRvc6Q\/bopx5EFSL7DkHrS1l8RYR9YmEaIesJt6cuwu8AkCNRX1/' /tmp/mnt/etc/shadow
  guestunmount /tmp/mnt
  

After booting

• Enable network and resize ext4 to new image size

  netplan set ethernets.enp1s0=true
  resize2fs /dev/vda1
  

• Install ssh and create host key

  apt-get install ssh
  ssh-keygen -A
  systemctl restart ssh