a2enmod
And to disable apache2 module.
a2dismod
Update apache2 configuration and reload, run this command:
/etc/init.d/apache2 reload
mix apache mysql php and bake a cake
a2enmod
a2dismod
/etc/init.d/apache2 reload
Apache 2.2.8
MySQL 5.0.51b
PHP 5.2.6
$ mysqladmin -r root password NEWPASSWORD
$cfg['Servers'][$i]['user'] = 'root';
$cfg['Servers'][$i]['password'] = 'NEWPASSWORD';