Debian Linux solution:
I have solved this problem in Debian. I started Kpackage and, after looking for php4-mysql package, I finally installed it. I had previously changed my wp-config.php by adding a piece of code proposed by Matt Mullenweg for the wp-config.php file (https://comox.textdrive.com/pipermail/wp-hackers/2005-April/000821.html).
He resuelto este problema en una Debian. Arranqu?? Kpackage, busqu?? el paquete php4-mysql y, finalmente, lo instal??. Tengo que decir que, previamente, hab?-a modificado el archivo wp-config.php a?±adi??ndole una pedazo de c?3digo propuesto por Matt Mullenweg (https://comox.textdrive.com/pipermail/wp-hackers/2005-April/000821.html).
Saludos