centos安装memcached

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本文详细介绍了如何在Linux环境下从零开始安装配置memcached缓存系统。包括基础环境准备、安装libevent依赖库、编译安装memcached以及通过Shell脚本实现memcached服务的便捷启动与管理。

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一、基础环境配置

#yum -y install gcc gcc-c++

二、安装libevent

#cd /usr/local

下载

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

解压

#tar -zxvf libevent-2.1.8-stable.tar.gz

#cd libevent-2.1.8-stable

编译

#./configure --prefix=/usr

安装

#make

#make install

三、安装memcached

#cd /usr/local

下载

#wget http://memcached.org/files/memcached-1.4.36.tar.gz

解压

#tar -zxvf memcached-1.4.36.tar.gz

#cd memcached-1.4.36

编译

#./configure -with-libevent=/usr/local/libevent-2.1.8-stable/ -prefix=/usr/local/memcached-1.4.36

安装

#make

#make install

启动

#/usr/local/memcached-1.4.36/bin/memcached -d -m 500m -p 11211 -u root

PS:附上一个memcached的启动shell脚本，命名为startup.sh

#!/bin/sh

echo "Start to start memcached server $(date)..."  
  
MEMCACHED=/usr/local/memcached-1.4.36/bin/memcached  
  
usage()  
{  
     echo "usage: `basename $0` port"  
}  
  
if [ -n "$1" ]  
then  
{  
     pid=`ps aux|grep memcached|grep "$1" |grep -v grep|awk '{print $2}'`  
     if [ -n "$pid" ]  
     then  
     {  
          sleep 2  
          echo "kill memcached which port is $1 begin"  
          echo "pid:$pid"  
          kill -9 $pid  
          echo "kill memcached which port is $1 end"  
          sleep 2  
     }  
     fi  
     echo "begin to start memcached in port $1"  
     LOG_FILE=/usr/local/memcached-1.4.36/log/memcached_$1.log  
     rm -f $LOG_FILE  
     $MEMCACHED -d -m 2048 -p $1 -u root -vv >> $LOG_FILE 2>&1  
     echo "start memcached end"  
     tail -f $LOG_FILE  
}  
else  
{  
     usage  
     exit 1  
}  
fi

注意：使用此脚本先要获取目录权限

#chmod 777 -R /usr/local/memcached-1.4.36

#cd /usr/local/memcached-1.4.36

注意要自己创建log目录，不然启动脚本报错

#mkdir log

#cd /usr/local/memcached-1.4.36/bin

#touch startup.sh

然后把上面的命令复制进去

#cd /usr/local/memcached-1.4.36/bin

启动memcached

#./startup.sh 11211

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