The following article will assist you in installing Memcache in cPanel/WHM server.
1. Log in to your WHM.
2. Locate the Software section and select Module Installers. Here you will see the list of installed language modules.
3. Click on the Manage button of the PHP Pecl language module.
4. Under the Find a PHP Pecl search bar, search for "memcache" and click the Go button.
5. From the search results, install both memcache & memcached.
6. At the end of each installation, scroll down to make sure each of them is installed perfectly and does not give any errors. If you receive a dependency error while installing memcached, connect to the server via SSH and run the following command.
yum install libmemcached.
7. Once these PHP Pecls are installed, restart the Apache service by issuing the following command in SSH.
service httpd restart
