systemd-firstboot

Initialize basic system settings on or before the first boot-up of a system. More information: https://www.freedesktop.org/software/systemd/man/systemd-firstboot.html.

• Operate on the specified directory instead of the root directory of the host system:
  sudo systemd-firstboot --root={{path/to/root_directory}}
• Set the system keyboard layout:
  sudo systemd-firstboot --keymap={{keymap}}
• Set the system hostname:
  sudo systemd-firstboot --hostname={{hostname}}
• Set the root user's password:
  sudo systemd-firstboot --root-password={{password}}
• Prompt the user interactively for a specific basic setting:
  sudo systemd-firstboot --prompt={{setting}}
• Force writing configuration even if the relevant files already exist:
  sudo systemd-firstboot --force
• Remove all existing files that are configured by systemd-firstboot:
  sudo systemd-firstboot --reset
• Remove the password of the system's root user:
  sudo systemd-firstboot --delete-root-password