#!/bin/bash
sudo apt update -y
sudo apt-get install openjdk-8-jre -y
echo "export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-i386" >>~/.bashrc
echo "export PATH=$JAVA_HOME/bin:$PATH" >>~/.bashrc
source ~/.bashrc
wget -qO- https://apachemirror.wuchna.com/hadoop/common/hadoop-3.1.4/hadoop-3.1.4.tar.gz | tar zxvf -

cat > hadoop-3.1.4/etc/hadoop/core-site.xml <<EOF
<configuration>
<property>
    <name>fs.defaultFS</name>
    <value>hdfs://localhost:9000</value>
  </property>
</configuration>
EOF

cat > hadoop-3.1.4/etc/hadoop/hdfs-site.xml <<EOF
<configuration>
<property>
  <name>dfs.replication</name>
  <value>1</value>
 </property>
</configuration>
EOF

./hadoop-3.1.4/bin/hdfs namenode -format


./hadoop-3.1.4/sbin/start-dfs.sh


ps -ef | grep hadoop