How to install IonCube, Zend Optimizer and eAccelerator on virtual private server or yout dedicated server ?

here’s how :

1. Install IonCube

# wget http://downloads2.ioncube.com/loader_downloads/ioncube_loaders_lin_x86.tar.gz
# tar zfx ioncube_loaders_lin_x86.tar.gz
# cd ioncube
#### replace below with the version tree you have (I will use 5.2)
# cp ioncube_loader_lin_5.2.so /usr/local/lib/php/extensions

Add this line BEFORE any other zend_extension (e.g. Zend Optimizer or eAccelerator).
(#### replace below with the version tree you have (I will use 5.2))

zend_extension = /usr/local/lib/php/extensions/ioncube_loader_lin_4.4.so

2. Install Zend Optimizer

# wget http://downloads.zend.com/optimizer/3.2.6/ZendOptimizer-3.2.6-linux-glibc21-i386.tar.gz
# tar zfx ZendOptimizer-3.2.6-linux-glibc21-i386.tar.gz
# cd ZendOptimizer-3.2.6-linux-glibc21-i386
# chmod +x install.sh
#./install.sh

3. Install eAccelerator (cPanel)

# wget http://tutorials.medialayer.com/cPanel/eaccelerator.sh
# chmod +x eaccelerator.sh
# ./eaccelerator.sh

Restart httpd service. Done !!