[CentOS] PHP not working with Mysql?

Hi, I installed MySQL via YUM on an actual CentOS coming with this great bluequartz and it seems they won´t to play with each other. MySQL is working, phpinfo shows me. that it is there. Now i transfered some of my stuff and nothing works: phpmyadmin (with correct inc.php) tells me, that my php-Installation isn´t correct, a little cms (Contenido) shows white pages. Mysqld.log tells me, that all is ok, phpinfo the same. Any idea, what my mistake is? Thanks! Fred

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