安装开发工具包:
		yum groupinstall -y "Development Tools"
	查看本机php版本:
		rpm -qi php

	下载rpm包:
		wget http://mirror.centos.org/centos/6/updates/x86_64/Packages/php-devel-5.3.3-27.el6_5.2.x86_64.rpm
	安装rpm包:
		 rpm -ihv php-devel-5.3.3-27.el6_5.2.x86_64.rpm

	下载eAccelerator:
		wget https://github.com/eaccelerator/eaccelerator/archive/master.zip
	重命名:
		 mv master master.zip
	解压文件:
		unzip master.zip
	进入解压后的文件夹:
		 cd eaccelerator-master/
	编译前 先运行如下命令:
		phpize
	编译:
		./configure
		make
		make install

	进入目录:
		cd /etc/php.d
		vim eaccelerator.ini
			内容如下:
				extension="eaccelerator.so"
  eaccelerator.shm_size="16"
  eaccelerator.cache_dir="/tmp/eaccelerator"
  eaccelerator.enable="1"
  eaccelerator.optimizer="1"
  eaccelerator.check_mtime="1"
  eaccelerator.debug="0"
  eaccelerator.filter=""
  eaccelerator.shm_ttl="0"
  eaccelerator.shm_prune_period="0"
  eaccelerator.shm_only="0"

再执行如下命令:
	mkdir /tmp/eaccelerator
  chmod 0777 /tmp/eaccelerator
至此配置结束,下面重启Web服务器:
	service httpd restart