CentOS Linux

Install Memcached On CentOS : Linux Caching Server

Install Memcached On CentOS : Linux Caching Server

Insight: Install Memcached On CentOS : Linux Caching Server

Let’s go through the process to install Memcached on CentOS operating system. Memcached is a caching server software. Memcached is a general-purpose distributed memory caching system.

Today we will see the various steps to install Memcached on CentOS operating system.

How To Install Memcached On CentOS

Before installing Memcached, you need to update your local software package index. And then install Memcached. It is available in the official CentOS repositories.

yum update
yum install memcached

Now, Install libmemcached client library.

yum install libmemcached

Now, You need to secure Memcached configuration settings.  We have to make assure that installed Memcached service is listening on the 127.0.0.1 local interface. Let’s edit:

vi /etc/sysconfig/memcached

In this file, Add the -l 127.0.0.1 -U 0 to OPTIONS variable.

PORT="11211"
USER="memcached"
MAXCONN="1024"
CACHESIZE="64"
OPTIONS="-l 127.0.0.1 -U 0"

It will protect server from denial of service attacks.

Now, Restart and enable your Memcached service:

systemctl restart memcached
systemctl enable memcached

You can check the stats of the server using memcached-tool with the following command.

memcached-tool 127.0.0.1 stats

Meanwhile, Allow access to Memcached server by opening a port 11211 on your firewall.

firewall-cmd --permanent --zone=public --add-port=11211/tcp

Additional configuration:

Install Memcached PHP extension

yum install php-pecl-memcache

Install Memcached Perl Library

yum install perl-Cache-Memcached

Install Memcached Python Library

yum install python-memcached



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