1; mounting liunx
3: Installation
4: Extract hadoop
5: Configuring related documents
1: Configure core-site.xml file
2: Configure hdfs-site.xml file
3: Configure the yarn-site.xml file
4: Configure mapred-site.xml file
5: Configuring Environment Variables
/ Etc / hosts file configuration
/etc/sysconfig/network
6: Configure the java environment variables hadoop
6: Format the partition
Hadoop namenode -format
7: Start namenode
hadoop-daemon.sh start namenode
8: Start datanode