Upgrade Zend Optimizer on Cpanel WHM

Written by Shanx May 12th, 2007

upgrade zend optimizer on cpanel

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Simple little trick to get to the latest version.

Most Cpanel/WHM servers come with PHP and Zend installed. With the recent (and important) update of PHP 5.2.1, the Zend Optimizer that is installed by default (version 3.0.1 as of this writing) breaks.

You might begin to see a message like this:

[26-Apr-2007 10:32:49] PHP Warning: Zend Optimizer does not support this version of PHP – please upgrade to the latest version of Zend Optimizer in Unknown on line

To fix this, simply login to your SSH as root and execute the following command to upgrade Zend Optimiser:

/scripts/installzendopt 3.2.8

Note that if you skip the version number, Zend Optimizer 3.0.1 will be installed by default. The trick is to specify the version as above. This will also work in the future, so as long as you know the latest released version of Zend Optimizer, just replace the red text above with that number.

2 Comments

  1. Cjirky says:

    Thanks for this tip. In the upcoming Cpanel 12 there is also a feature to install these kinds of tools from within WHM.

  2. Newton says:

    Hi ,

    I was having apache “500 internal server error” on my server … I spent hours looking for a solution … and them running /scripts/installzendopt 3.2.8 did aparently solved my problem right away .

    Thanks a lot .

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