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The guide below describes how to install PHP Opcache on Ubuntu 20.04 For both Apache and Nginx.

Made in seconds.

For Apache systems

We start the terminal and install Opcache:

apt-get install php-opcache -y

Edit the php.ini file

nano /etc/php/7.4/apache2/php.ini

and add at the end:

opcache.enable=1
opcache.memory_consumption=128
opcache.max_accelerated_files=3000
opcache.revalidate_freq=200

We restart the Apache server:

systemctl restart apache2

In the case of Nginx the procedure is very similar:

Installation:

apt-get install php-opcache php-fpm -y

Edit the php.ini file

nano /etc/php/7.4/fpm/php.ini

We add at the end of the file:

opcache.enable=1
opcache.memory_consumption=128
opcache.max_accelerated_files=3000
opcache.revalidate_freq=200

And we overload services

systemctl restart nginx

systemctl restart php7.4-fpm