Ubuntu:Spark安装

创建hadoop用户：

sudo user add -m Hadoop -s /bin/bash
sudo passed hadoop
sudo adduser Hadoop sudo

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登陆hadoop用户

sudo apt-get update
sudo apt-get install vim
sudo apt-get install openssh-server
ssh localhost
exit
cd ~/.ssh/
ssh-keygen -t rsa
cat ./id_rsa.pub >> ./authorized_keys

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安装java环境

sudo apt-get install openjdk-8-jre openjdk-8-jdk
vim ~/.bashrc

文件最后添加路径

export JAVA