Memcached安装步骤1、在安装了lnmp环境的电脑上安装memcached安装包libmemcached。安装php扩展依赖包php-memcachedphp扩展2、安装依赖包yuminstall-ylibeventlibevent-devel3，安装memcachedtar-zxvfmemcached-1.4。33.tar.gzcdmemcached-1.4.33./configure--prefix=/usr/local/memcachedmake&&makeinstall4,启动服务cd/usr/local/memcached/bin./memcached-uwww-d-u指定用户,无法以root用户启动-d后台运行查看服务是否运行ps-ef|grepmemcachednetstat-lnp|grepmemcached端口号默认为112115，安装php扩展库先安装libmemcachedtar-zxvflibmemcached-1.0.18.tar.gzcdlibmemcached-1.0.18./configure--prefix=/usr/local/libmemcached--with-memcached=/usr/local/memcached/make&&makeinstall安装php扩展库yuminstall-yunzip解压php-memcached-php7.zipcdphp-memcached-php7通过phpize编译php扩展库ls/usr/local/php7/bin/usr/local/php7/bin/phpize./configure--with-php-config=/usr/local/php7/bin/php-config--with-libmemcached-dir=/usr/local/libmemcached/make&&安装扩展包的路径/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/memcached.so【注意】windows下的扩展库是.dll，linux下的扩展库是.so将扩展库添加到PHP配置文件vi/etc/php.ini行添加extension=/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/memcached.so900Restartphp-fpmservicephp-fpmrestart运行代码phpinfo查看是否有扩展库
