CentOS7.0安装memcache

1. 安装mencached服务及memcache扩展

   yum -y \
   install \
   vim \
   memcached \
   firewalld \

2. 将memcache加入systemd

   chkconfig --level 2345 memcached on

3. 修改配置文件

   vim /etc/sysconfig/memcached
   
   PORT="11211"
   USER="memcached"
   MAXCONN="1024"
   CACHESIZE="64"
   OPTIONS=""
   
   ESC
   :wq

4. 添加运行用户memcached

   useradd memcached

5. 开启防火墙11211端口

   systemctl enable firewalld
   systemctl start firewalld
   firewall-cmd --zone=public --add-port=11211/tcp --permanent
   firewall-cmd --reload

6. 启动并设置开机启动

   # 启动
   systemctl start memcached
   # 开机启动
   systemctl enable memcached
   # 停止
   systemctl stop memcached
   # 重启
   systemctl restart memcached

7. 安装PHP-memcache扩展(参考php安装文档附录)

8. 测试服务及扩展安装是否成功

   vim /xxx/test.php
   
   <?php
   $mem = new Memcache();
   $mem->connect("127.0.0.1",11211);
   $mem->set('key','This is first value',0,60);
   echo $val=$mem->get('key');
   
   ESC
   :wq
   
   php /xxx/test.php

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