Upgrading Mysql 5.0 to 5.1 step by step procedure

Hello anyone helping to find some easily step by step procedure to convert my entire mysql 5.0 to 5.1. I've check with http://dev.mysql.com/doc/refman/5.1/en/upgrading-from-previous-series.html. But I couldn't it the most.
Regards,
Sam

These links have some additional info -
http://docs.sun.com/source/mysql-refman-5.1/installing.html#upgrade
http://dev.mysql.com/doc/refman/5.1/en/upgrade.html

Let us know which steps you are finding troublesome