linux配置Hadoop环境（jdk+hadoop)

linux配置Hadoop环境&＃xff08;jdk&＃43;hadoop)

安装指令

1.ORACLE官网下载jdk-1.7mv jdk-7u80-linux-x64.tar.gz /opt
cd /opt
tar -zxvf jdk-7u80-linux-x64.tar.gz // 根路径
cp -r jdk1.7.0_80/ /usr/bin/ //安装
update-alternatives --install /usr/bin/java java /opt/jdk1.7.0_80/bin/java 1update-alternatives --install /usr/bin/javac javac /opt/jdk1.7.0_80/bin/javac 1//配置
update-alternatives --set java /opt/jdk1.7.0_80/bin/java
update-alternatives --set javac /opt/jdk1.7.0_80/bin/javac

安装Hadoop&＃xff1a;

下载相应版本的Hadoop&＃xff0c;下面以Hadoop2.6.5为例

1.解压&＃xff1a;

tar zxvf hadoop-2.6.5.tar.gz –C /opt


&＃xff08;2&＃xff09;Hadoop基本设置

打开hadoop路径中的 etc/hadoop/hadoop-env.sh中设置Java环境

export JAVA_HOME&＃61;/usr/lib/jvm/jdk1.7.0_71


&＃xff08;3&＃xff09;设置Hadoop环境变量

sudo leafpad/etc/profile
**加入**export HADOOP_HOME&＃61;/opt/hadoop-2.6.5export PATH&＃61;${HADOOP_HOME}/bin:$PATH


大功告成&＃xff01;&＃xff01;&＃xff01;(kali虚拟机&＃43;jdk1.7 &＃43;hadoop2.65)