一：配置php扩展memcached所需要的软件包。libmemcached-1.0.2.tar.gz : baidu.commemcache-2.2.7.tgz :  wget http://pecl.php.net/get/memcached-1.0.2.tgz

-----------------------------------------------------------tar -zxvf libmemcached-1.0.2.tar.gz cd  libmemcached-1.0.2./configure -prefix=/usr/local/libmemcached  --with-memcached=/usr/local/memcached/bin/memcached/make && make install------------------------------------------------------------tar -zxvf  memcache-2.2.7.tgzcd  memcache-2.2.7/usr/bin/phpize ./configure --with-php-config=/usr/bin/php-config  --with-libmemcached-dir=/usr/local/libmemcached/

二：nginx配置