Piwik

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http://piwik.org/docs/installation/

требуется pdo

Piwik requires either the mysqli extension or both the PDO and pdo_mysql extensions.

On a Linux server you can compile php with the following options: --with-mysqli --with-pdo-mysql

In your php.ini, add the following lines: extension=mysqli.so extension=pdo.so extension=pdo_mysql.so

http://sourceforge.net/apps/trac/sourceforge/wiki/Hosted%20Apps
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