Comment by phaemon

Might be better having something like the following at the top of your script:

    echo "This will STOP THE SERVER. Are you sure you want to  do this?"
    echo "Type 'yes' to continue:"
    read response

    if [[ $response != "yes" ]]
    then
      echo "You must type 'yes' to continue. Aborting."
      exit 1
    fi

    echo "Stopping server ..."

It barely takes any time to type 'yes' but it makes you stop and think.