memcached-1.6.22.tar.gz (2023-10-15) (release notes) (sha1: 7a691f390d59616dbebfc9e2e4942d499c39a338)
Debian/Ubuntu: apt-get install libevent-dev Redhat/Centos: yum install libevent-devel
wget http://memcached.org/latest tar -zxvf memcached-1.x.x.tar.gz cd memcached-1.x.x ./configure && make && make test && sudo make install