1 # cd ~/software
2 wget http://apache.communilink.net/hadoop/common/hadoop-2.9.2/hadoop-2.9.2.tar.gz

1 tar -xzvf hadoop-2.9.2.tar.gz
2 mv hadoop-2.9.2 hadoop

1 export HADOOP_HOME=/software/hadoop
2 export HADOOP_INSTALL=$HADOOP_HOME
3 export HADOOP_MAPRED_HOME=$HADOOP_HOME
4 export HADOOP_COMMON_HOME=$HADOOP_HOME
5 export HADOOP_HDFS_HOME=$HADOOP_HOME
6 export YARN_HOME=$HADOOP_HOME
7 export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
8 export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib/native"
9 export PATH=$PATH:$HADOOP_HOME/sbin:$HADOOP_HOME/bin

1 cd /software/hadoop/etc/hadoop
2 vim core-site.xml

 1 <configuration>
 2     <!-- 指定运行端口 -->
 3     <property>
 4         <name>fs.defaultFS</name>
 5         <value>hdfs://localhost:9000</value>
 6     </property>
 7     <!-- 指定临时目录 -->
 8     <property>
 9         <name>hadoop.tmp.dir</name>
10         <value>/data/hadoop/tmp</value>
11     </property>
12 </configuration>

1 cd /software/hadoop/etc/hadoop
2 vim hdfs-site.xml

1 <configuration>
2     <!-- 备份数量 -->
3     <property>
4         <name>dfs.replication</name>
5         <value>1</value>
6     </property>
7 </configuration>

1 cd /software/hadoop/etc/hadoop
2 # 复制并重命名
3 cp mapred-site.xml.template mapred-site.xml
4 vim mapred-site.xml

1 <configuration>
2     <!-- 配置资源管理器 -->
3     <property>
4         <name>mapreduce.framework.name</name>
5         <value>yarn</value>
6     </property>
7 </configuration>

1 cd /software/hadoop/etc/hadoop
2 vim yarn-site.xml

1 <configuration>
2     <property>
3         <name>yarn.nodemanager.aux-services</name>
4         <value>mapreduce_shuffle</value>
5     </property>
6 </configuration>

 1 # 第一次，格式化namenode
 2 hdfs namenode -format
 3 # 运行HDFS
 4 start-dfs.sh
 5 # 运行yarn
 6 start-yarn.sh
 7 # 查看运行状况(前提是安装jdk并配置环境变量)
 8 jps
 9 # 停止hdfs
10 stop-dfs.sh
11 # 停止yarn
12 stop-yarn.sh