centos系统为php安装memcached扩展步骤

1. 通过yum安装

yum -y install memcached
#安装完成后执行:
memcached -h
#出现memcached帮助信息说明安装成功

2. 加入启动服务

chkconfig --level 2345 memcached on

3. 配置memcached

vim /etc/sysconfig/memcached
#文件中内容如下，按需要修改:
port="11211" #端口
user="root" #用户名
maxconn="1024" #最大连接数
cachesize="64" #内存大小
options="" #附加参数

4. 安装libmemached

wget https://launchpad.net/libmemcached/1.0/1.0.16/+download/libmemcached-1.0.16.tar.gz
tar -zxvf libmemcached-1.0.16.tar.gz
cd libmemcached-1.0.16
./configure -prefix=/usr/local/libmemcached -with-memcached
make && make install

5. 安装php-devel

yum install php-devel

6. 安装php memcached扩展

wget http://pecl.php.net/get/memcached-2.1.0.tgz
tar -zxvf memcached-2.1.0.tgz
cd memcached-2.1.0
/usr/local/php/bin/phpize
./configure -enable-memcached -with-php-config=/usr/local/php/bin/php-config -with-zlib-dir -with-libmemcached-dir=/usr/local/libmemcached -prefix=/usr/local/phpmemcached
make && make install