Linux安装memcache

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3. 安装mencached服务及memcache扩展

   yum -y --nogpgcheck \
   install \
   memcached
   

4. 将memcache加入systemd

   chkconfig --level 2345 memcached on
   

5. 修改配置文件

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

6. 添加运行用户memcached

   useradd memcached
   

7. 开启防火墙11211端口

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

8. 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
   

9. 安装PHP-memcache扩展(参考php安装文档附录)

10. 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