Linux乐彩平台搭建环境下Memcached安装及问题解决

一. 乐彩平台搭建安装论坛：haozbbs.com Q1446595067 步骤

1.1 安装libevent，当前最新版本为2.1.8，官网：http://libevent.org/

wget https://github.com/libevent/libevent/releases/download/release-2.1.8-stable/libevent-2.1.8-stable.tar.gz

1.2 解压

tar -xvf libevent-2.1.8-stable.tar.gz

1.3 进入目录

cd libevent-2.1.8-stable

1.4 安装

./configure
make
sudo make install

1.5 /usr/local/lib目录下就会有如下文件

二. Memcached安装

2.1 当前最新版本：memcached-1.5.8.tar.gz，官网：http://memcached.org/

wget http://www.memcached.org/files/memcached-1.5.8.tar.gz

2.2 解压

tar -xvf memcached-1.5.8.tar.gz

2.3 进入目录

cd memcached-1.5.8

2.4 配置、编译和安装

./configure --prefix=/usr/local/memcached
make & make test
sudo make install

2.5 安装目录

/usr/local/memcached/bin/memcached

2.6 设置环境变量

vim ~/.bashrc

2.7 光标移植篇末，按下字母"i"进入编辑模式，输入如下命令.

注：=前后不能有空格，否则设置无效。

2.8 按Esc后，输入":wq"保存退出，然后更新设置的环境变量

source ~/.bashrc

2.9 运行

memcached -p 11211 -m 64M -u root -d

三. 安装及运行过程问题

3.1 can't run as root without the -u switch

解决方法：需要指定用户，-u root

/usr/local/memcached/bin/memcached -p 11211 -m 64M -u root -d

3.2 /usr/local/memcached/bin/memcached: error while loading shared libraries: libevent-2.1.so.6: cannot open shared object file: No such file or directory

解决方法：

Unbuntu下执行：ln -s /usr/local/lib/libevent-2.1.so.6 /usr/lib/libevent-2.1.so.6

CentOS下执行：ln -s /usr/local/lib/libevent-2.1.so.6 /usr/lib64/libevent-2.1.so.6