In terminal:
First install libevent:
cd /usr/local/src/
wget <a href="http://monkey.org/~provos/libevent-1.3e.tar.gz
tar">http://monkey.org/~provos/libevent-1.3e.tar.gz
tar</a> zxpfv libevent*
cd libevent*
./configure
make install
Download and install memcached:
cd /usr/local/src/
wget <a href="http://www.danga.com/memcached/dist/memcached-1.2.4.tar.gz
tar">http://www.danga.com/memcached/dist/memcached-1.2.4.tar.gz
tar</a> zxpfv memcached*
cd memcached*
./configure
make install
