cd /var/www/nextcloud 
sudo -u www-data php occ maintenance:mode --on
service nginx stop
rm -r /var/www/nextcloud/
rm -r /var/nextcloud_data/

mkdir -p /var/www/nextcloud/
mkdir -p /var/nextcloud_data/
tar -xpzf /mnt/Share/Backups/Nextcloud/NextcloudBackup_FileDir_20170912.tar.gz -C /var/www/nextcloud/
tar -xpzf /mnt/Share/Backups/Nextcloud/NextcloudBackup_DataDir_20170912.tar.gz -C /var/nextcloud_data/
chown -R www-data:www-data /var/www/nextcloud 
chown -R www-data:www-data /var/nextcloud_data
mysql -h localhost -u nextcloud_db_user -p -e "DROP DATABASE nextcloud_db" 
mysql -h localhost -u nextcloud_db_user -p -e "CREATE DATABASE nextcloud_db"
mysql -h localhost -u nextcloud_db_user -p nextcloud_db < /mnt/Share/Backups/Nextcloud/NextcloudBackup_DB_20170912.sql
service nginx start
cd /var/www/nextcloud 
sudo -u www-data php occ maintenance:mode --off
cd /var/www/nextcloud 
sudo -u www-data php occ maintenance:data-fingerprint