post_upgrade() {
  echo ":: If CUDA is unavailable, run 'nvidia-modprobe'."
}

post_install() {
  getent group nvidia-persistenced &>/dev/null || groupadd -g 143 nvidia-persistenced
  getent passwd nvidia-persistenced &>/dev/null || useradd -c 'NVIDIA Persistence Daemon' -u 143 -g nvidia-persistenced -d '/' -s /sbin/nologin nvidia-persistenced

  post_upgrade
}