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Install and Configure Memcached on CentOS 8 - Step by Step Process ?

This article covers how to install and configure the Memcached caching server on CentOS 8 system through the command-line tool.

Now, you can easily install and configure the Memcached server on your CentOS 8 system easily. 

Memcached is a free and open-source high-performance in-memory key-value data store.

Typically, it used as a caching system to speed up applications by caching various objects from the results of database calls.


To install memcached on CentOS, perform the following tasks as a user with root privileges:

1. Install memcached and its dependencies:

$ yum -y update
$ yum install -y libevent libevent-devel
$ yum install -y memcached
$ yum install -y php-pecl-memcache

2. Change the memcached configuration setting for CACHESIZE and OPTIONS:

i. Open /etc/sysconfig/memcached in a text editor.

ii. Locate the value for CACHESIZE and change it to at least 1GB. For example

CACHESIZE="1GB"

iii. Locate the value for OPTIONS and change it to localhost or 127.0.0.1

3. Save your changes to memcached and exit the text editor.

4. Restart memcached.

$ service memcached restart

5. Restart your web server.

For Apache:

$ service httpd restart



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