Login to your server over SSH as Root.
Type in:
/scripts/installzendopt
Note: if that does not install the latest version, do this:
Go to Zend.com and download the latest version of Zend Optimizer and upload it to your server, go to its location and extract its contents, then open that folder (cd {foldername}) and type ./install
Keep pressing enter unless you have php,apache,etc installed in different locations, if thats the case then enter the locations they are installed at.
After you restart Apache create a php file called phpinfo.php in a location you can access via web browser, inside the file put this code:
CODE
<?
phpinfo();
?>
phpinfo();
?>
Now open that file in your browser and check out the Zend version
If not, then you where unsuccessfull, try again or go without Zend
I will NOT be held responsible if this crashes PHP or your server
thank you very much
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HOWTO made by Exero.