Install Memcached and Memcached for PHP – CentOS 6.6

Make sure you have the epel repo installed on your system

#This is for CentOS 64-bit

wget wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
rpm -Uvh epel-release-6-8.noarch.rpm

Install Memcached

yum install memcached

With installation done, we’ll need configure Memcached now

# Running on Port 11211
PORT="11211"

# Start as memcached daemon
USER="memcached"

# Set max simultaneous connections to 1024
MAXCONN="10240"

# Set Memory size to 2048 - 4GB(4096)
CACHESIZE="2048"

#Set server IP address
OPTIONS="-l 127.0.0.1"

Add Memcached to OS startup

chkconfig memcached on

Restart Memcached

service memcached restart

Install the Memcached PHP 

 yum install php-pecl-memcache