安装memcached之前首先需要安装libevent，我这里用的版本是：

  libevent-2.0.22
  memcached-1.4.25

1.安装libevent

1. 查看有没有安装libevent
   shell ls -al /usr/lib | grep libevent
   可使用：sehll rpm -e libevent -- nodeps进行卸载
2. 下载libevent
   shell wget https://github.com/libevent/libevent/releases/download/release-2.1.8-stable/libevent-2.1.8-stab
3. 解压
   shell tar -zxvf libevent-2.1.8-stable.tar.gz
4. 进入目录
   shell cd libevent-2.1.8-stable/
   5.指定安装位置并开始安装和编译

./configure --prefix=/usr/local/libevent
make
make install  

安装libevent成功截图

安装成功libevent

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1.安装memcached

2. 下载memcached
   shell wget http://www.memcached.org/files/memcached-1.5.7.tar.gz
3. 解压
   shell tar -zxvf memcached-1.5.7.tar.gz
4. 进入目录
   shell cd memcached-1.5.7/

5.指定安装位置并开始安装和编译

./configure --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent
make
make install  

安装memcached成功截图

安装memcached成功截图