Memcached is a high-performance, distributed memory object caching system, generic in nature, but originally intended for use in speeding up dynamic web applications by alleviating database load. Memcached is a very useful also in other cases, than only dynamic web applications. This guide explains howto install Memcached 1.6.26 stable version of distributed memory object caching system on Fedora 40/39/38, CentOS Stream / Red Hat (RHEL) 9/8, Rocky Linux 9.3. Fedora 40/39/38, CentOS Stream 9/8, Red Hat (RHEL) 9/8, Rocky Linux 9.