Set a root password if none exists
$ mysqladmin -u root password <new_password>


Login to MySQL
$ mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 16 to server version: 5.0.22-Debian_0ubuntu6.06-log
Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the buffer.
mysql> CREATE DATABASE databasename;
Query OK, 1 row affected (0.00 sec)
mysql> GRANT ALL PRIVILEGES ON databasename.* TO “username”@”hostname” IDENTIFIED BY “password”;
Query OK, 0 rows affected (0.00 sec)
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.01 sec)
mysql> EXIT
Bye