mysql> select user,host from mysql.user;
+-----------------+-----------+
| user            | host      |
+-----------------+-----------+
| magento         | localhost |
| mysql.session   | localhost |
| mysql.sys       | localhost |
| root            | localhost |
+-----------------+-----------+
4 rows in set (0.00 sec)

rm -rf var/cache/* generated/* var/view_preprocessed/*