http://forum.ceviz.net/fc4-vps-ye-ze...4.html?t=31314

http://forum.ceviz.net/php-zend-opti...6.html?t=44216

cpanel için: Zend Optimizer kurulumu - Hosting Yorumları Webhosting ASP PHP MYSQL MSSQL Türkiye xDSL Dedicated Co-Location File Hosting VPS Virtual Private Server

Apache2-SSL-PHP5-Howto (+ Zend Optimizer And IonCube Loader) | HowtoForge - Linux Howtos and Tutorials

buradada aynı problemden bahsedilmiş(ingilizce)
Problem after Zend Optimizer install - HowtoForge Forums | HowtoForge - Linux Howtos and Tutorials