Installing memcache on cPanel is not natively supported (like selecting a module in easyapache) but the installation is not so complicated either:
Firstly, access your server via SSH and:
run the command:
yum install -y memcached
This will install memcache and all the required dependencies.
Now access your servers WHM > Software > Module installer > PHP Pecl. Here, search for memcache. There will be two results:
[box type=”info” ]memcache
Install Both of them.
After this step, return to SSH and execute de following command:
memcached -d -m 512 -l 127.0.0.1 -p 11211 -u nobody
(d = daemon, m = memory, u = user, l = IP to listen to, p = port)
You can adjust the memory value according to your needs, more or less than 512 MB