On October 19, 2021, we have enabled single-sign-on for our Plesk Support Center to provide a seamless login/account experience. This implies that you’ll be able to use a single account across any of our web-facing properties.
If you had already registered your account at Plesk 360 (formerly known as My Plesk) please use one for login. Otherwise please re-register it using the same email address as your existing Zendesk login (support account). It’s essential that you use the same email address on our support center to ensure that your tickets stay attached to the same account.

How to ensure that Opcache is enabled?




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    William (Edited )


    This article  perfectly answers the question... however i have googled and looked through plesk forums and cannot find a tutorial  anywhere   how to actually  enable opcache  with centos 6 and php 5.6  and plesk onyx..... 

    apparently its already compiled into php 5.6?


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    Robert Asilbekov

    @William opcache module is shipped with Plesk PHP 5.6 by default. All that you need is to install Plesk PHP5.6 by using "plesk installer". In case of errors feel free to submit a support ticket.

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