mysql -u root
mysql> SET PASSWORD FOR 'ROOT'@'LOCALHOST"
> = PASSWORD('new_password');
Now while we’re still here, we’ll create a new HOST for root and allow root to login from anywhere.
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'
> IDENTIFIED BY 'password' WITH GRANT OPTION;
mysql> FLUSH PRIVILEGES;
mysql> exit