cj-cloud-init.yml

#cloud-config
users:
  - name: dz
    ssh_authorized_keys:
      - <public-ssh-key>
    sudo: ALL=(ALL:ALL) ALL
    groups: sudo
    shell: /bin/bash
chpasswd:
  expire: true
  users:
    - name: dz
      password: changeme
      type: text
runcmd:
  - sed -i -e '/^\(#\|\)PermitRootLogin/s/^.*$/PermitRootLogin without-password/' /etc/ssh/sshd_config
  - sed -i -e '/^\(#\|\)PubkeyAuthentication/s/^.*$/PubkeyAuthentication yes/' /etc/ssh/sshd_config
  - sed -i -e '/^\(#\|\)PasswordAuthentication/s/^.*$/PasswordAuthentication no/' /etc/ssh/sshd_config
  - systemctl restart sshd
  - echo "\$nrconf{kernelhints} = -1;" > /etc/needrestart/conf.d/99disable-prompt.conf
  - apt update
  - apt upgrade -y --allow-downgrades --allow-remove-essential --allow-change-held-packages
  - reboot