In order to install memcache on your cPanel server, you will need to get your fingers dirty with a bit of command line work:
Firstly, access your server via SSH and:
run the command:
yum install -y memcached memcached-devel
This will install memcache and all the required dependencies.
Now access your servers WHM > EasyApache 4 > Customize > PHP Extensions. Here, search for:
You will have to install it for the PHP version that you want to use.
After this step, return to SSH and edit the configuration file:
Here, you will have to set a larger memory value, for example:
Save the file and start memcached service:
service memcached start
check that memcached is running:
[root@elvis ~]# ps aux |grep memcached memcach+ 1234 0.0 0.1 323114 12453 ? Ssl 12:04 0:00 /usr/bin/memcached -u memcached -p 11211 -m 512 -c 102