hadoop-02 jdk&hadoop 安装 2018-04-

通过scp工具复制文件到CentOS中

hadoop-2.5.0-cdh5.3.6.tar.gz
jdk-7u67-linux-x64.tar.gz
zookeeper-3.4.5-cdh5.3.6.tar.gz

安装jdk

mkdir /opt/software/
tar zxvf jdk-7u67-linux-x64.tar.gz -C /opt/software/

设置环境变量

vi ~/.bash_profile
export JAVA_HOME=/opt/software/jdk1.7.0_67/
export CLASSPATH=.:JAVA_HOME/lib
export PATH=$JAVA_HOME/bin:$PATH

source ~/.bash_profile

验证版本

java -version
javac -version

安装和设置hadoop环境

tar -zxvf hadoop-2.5.0-cdh5.3.6.tar.gz -C /opt/software/
vim ~/.bash_profile