安装memcache

# wget http://nchc.dl.sourceforge.net/project/levent/libevent/libevent-2.0/libevent-2.0.22-stable.tar.gz                    ##网络库,memcached所依赖的异步事件通知库
# wget http://memcached.org/files/memcached-1.4.25.tar.gz

①编译libevent    
# tar -zxvf libevent-2.0.22-stable.tar.gz 
# cd libevent-2.0.22-stable
# ./configure --prefix=/usr/local/libevent
# make & make install

②编译memcached

    
# tar -zxvf memcached-1.4.25.tar.gz
# cd memcached-1.4.25
# ./configure --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent
# make & make install