[root@gordos ~]$php
PHP Warning:  PHP Startup: Unable to load dynamic library '/opt/coolstack/php5/lib/php/extensions/no-debug-non-zts-20060613/mysql.so' - ld.so.1: php: fatal: libmysqlclient.so.15: open failed: No such file or directory in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library '/opt/coolstack/php5/lib/php/extensions/no-debug-non-zts-20060613/mysqli.so' - ld.so.1: php: fatal: libmysqlclient.so.15: open failed: No such file or directory in Unknown on line 0
[root@gordos ~]$locate mysqli.so mysql.so
/opt/coolstack/php5/lib/php/extensions/no-debug-non-zts-20060613/mysqli.so
/opt/coolstack/php5/lib/php/extensions/no-debug-non-zts-20060613/mysql.so
/opt/coolstack/php5/lib/php/extensions/no-debug-non-zts-20060613/pdo_mysql.so