Backup and Migrate

https://www.drupal.org/project/backup_migrate

mkdir private;chown -R www-data:www-data private/;composer require 'drupal/backup_migrate:^5.0';drush en backup_migrate;echo "\$settings['file_private_path'] = '../private';" | tee -a web/sites/default/settings.php

安裝後執行上面的字串，然後再檢查是否能順利備份及還原