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Redis stands for Remote DIctionary Server and it is a key-value NoSQL database. Almost all languages including PHP have Redis bindings. In this guide, we will show you how to install Redis server and Redis PHP extension on a cPanel based servers so you can use Redis as a cache backend for your WordPress, Laravel, Drupal or any other PHP based application. 1. Install Redis server Redis is not available in the default CentOS repositories, so we need to enable the EPEL repository and install the Redis package from there. 2. Install the EPEL Repository on CentOS 6 To install the EPEL repository please run the following command: rpm -Uvh [Hidden Content] 3. Install the Redis Package Using Yum Once the repository is enabled, you can install the redis package using Yum: sudo yum install redis 4. Start and Configure the Redis service Start the Redis service and enable it to start on boot with the following commands: service redis restart chkconfig --level 345 redis on 5. Install the EPEL Repository on CentOS 7 Same as with CentOS 6 first install the EPEL repository: yum install epel-release Once the repository is enabled, install the Redis package using Yum: yum install redis Start the Redis service and enable it to start on boot with the following commands: systemctl restart redis systemctl enable redis 6. Install Redis PHP extension Redis PHP extension is not available in EasyApache so we will install the Redis PHP extension using the pecl command. We will also enable Igbinary support which is a drop in replacement for the standard PHP serializer. 7. Install the Redis PHP Extension EasyApache 3 To install the Redis PHP extension issue the following command: yes | pecl install igbinary igbinary-devel redis once the build process is completed, verify the installation using the following command: php -m | grep redis and you should see redis, if there is no output, it means that Redis extension is not installed/loaded. 8. Install the Redis PHP Extension EasyApache 4 EasyApache 4 supports multiple versions of PHP so we need to install the Redis PHP extension on each PHP version. Run the following commands to install and enable the Redis PHP extension on each PHP version you have installed on your server: 9. Install and Enable the Redis PHP Extension on PHP 5.4 yes | /opt/cpanel/ea-php54/root/usr/bin/pecl install igbinary igbinary-devel redis /opt/cpanel/ea-php54/root/usr/bin/php -m | grep redis 10. Install and Enable the Redis PHP Extension on PHP 5.5 yes | /opt/cpanel/ea-php55/root/usr/bin/pecl install igbinary igbinary-devel redis /opt/cpanel/ea-php55/root/usr/bin/php -m | grep redis 11. Install and Enable the Redis PHP Extension on PHP 5.6 yes | /opt/cpanel/ea-php56/root/usr/bin/pecl install igbinary igbinary-devel redis /opt/cpanel/ea-php56/root/usr/bin/php -m | grep redis 12. Install and Enable the Redis PHP Extension on PHP 7.0 yes | /opt/cpanel/ea-php70/root/usr/bin/pecl install igbinary igbinary-devel redis /opt/cpanel/ea-php70/root/usr/bin/php -m | grep redis 13. Install and Enable the Redis PHP Extension on PHP 7.1 yes | /opt/cpanel/ea-php71/root/usr/bin/pecl install igbinary igbinary-devel redis /opt/cpanel/ea-php71/root/usr/bin/php -m | grep redis That’s it. You have successfully installed Redis server and Redis PHP extension on your cPanel VPS Source: [Hidden Content]