curl -SLO https://archive.apache.org/dist/hadoop/common/hadoop-3.2.2/hadoop-3.2.2.tar.gz
tar zxf hadoop-3.2.2.tar.gz
apt update && apt install ssh pdsh
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 0600 ~/.ssh/authorized_keys
echo -e "export HDFS_NAMENODE_USER=root\nexport HDFS_DATANODE_USER=root\nexport HDFS_SECONDARYNAMENODE_USER=root\nexport YARN_RESOURCEMANAGER_USER=root\nexport YARN_NODEMANAGER_USER=root\nexport JAVA_HOME=/usr/local/openjdk-11\nexport PDSH_RCMD_TYPE=ssh\n" >> hadoop-3.2.2/etc/hadoop/hadoop-env.sh
bash hadoop-3.2.2/sbin/start-dfs.sh