环境:centos 6.6 x64 (学习用3节点)

软件:jdk 1.7 + hadoop 2.7.3 + hive 2.1.1 

 1、安装必要工具

yum -y install openssh wget curl tree screen nano lftp htop mysql-client mysql-server

2、使用163的yum源:

cd /etc/yum.repo.d/
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
#备份
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
mv CentOS7-Base-163.repo CentOS-Base.repo
#生成缓存
yum clean all
yum makecache
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