ubuntu 11.10 server, установлен пакет php5-mysql, но различные php скрипты говорят например «The installer was unable to detect any database support in PHP. Please ask your host to ensure that PHP was compiled with the desired database, or that the proper extension is being loaded.»
/etc/php5/apache2/conf.d/mysql.ini: extension=mysql.so
чё ему не хватает?