# then as root  i.e. sudo bash
/etc/init.d/mysql stop
mv /var/lib/mysql/mysql /tmp
rm -rf /var/lib/mysql
mkdir /var/lib/mysql
mv /tmp/mysql /var/lib/mysql/
chown -R mysql:mysql /var/lib/mysql
/etc/init.d/mysql start
# stop being root
exit
mysqladmin -u root create imdb
cd
mysql -u root imdb < imdb-no-indexes.sql