How to install Zend Optimizer [1/4]

This tutorial will show you how to install Zend Optimizer on a server with RedHat like Linux operation systems.
Zend Optimizer is required by many scripts to run on your server decrypting and running them while increasing runtime performance.
This tutorial can be used when you run a server with CPanel or Plesk control panel with Apache server .

First download appropriate version of Zend Optimizer according to your server set from http://zend.com. Upload it to the server where will be installed using FTP client like Filezilla.
Unfortunately Zend does not provide a direct download so 'wget' cannot be used in this case.

Connect to your server via SSH using your favorite SSH client (for example Putty) and switch to super user. Go to the folder where the the file was uploaded and unpack it.
This can be done with the following command:

Then change the directory to the new extracted folder and start the installation script