http://serverfault.com – so I want to install memcached on my CentOS 5.8 server. I followed this tutorial http://kb.liquidweb.com/install-memcached-on-centos-5/ The command netstat -ap | grep 11511 shows that memcached is running. I have added extension = memcached.so to php.ini and restarted the Apache server. I am also positive that I chose the right php.ini (verified by phpinfo();). Yet, it still does not (HowTos)