Cenos下Hadoop環境搭建

1、安裝jdk

1.1 下載地址

https://www.oracle.com/java/technologies/javase-jdk8-downloads.html#license-lightbox

1.2 安裝步驟

解壓

cd /usr/local
tar -zxvf jdk-8u241-linux-x64.tar.gz

配置環境變量

vim /etc/profile

## JAVA_HOME
export JAVA_HOME=/usr/local/jdk1.8.0_241
export PATH=$PATH:$JAVA_HOME/bin

source /etc/profile

2、Hadoop安裝

2.1 下載地址

https://www.apache.org/dyn/closer.cgi/hadoop/common/hadoop-2.10.0/hadoop-2.10.0.tar.gz

2.2 安裝步驟

解壓

cd /usr/local
tar -zxvf hadoop-2.10.0.tar.gz

配置環境變量

vim /etc/profile

## HADOOP_HOME
export HADOOP_HOME=/usr/local/hadoop-2.10.0
export PATH=$PATH:$HADOOP_HOME/bin
export PATH=$PATH:$HADOOP_HOME/sbin

source /etc/profile