# cd ~/software
wget http://apache.communilink.net/hadoop/common/hadoop-2.9.2/hadoop-2.9.2.tar.gz
tar -xzvf hadoop-2.9.2.tar.gz
mv hadoop-2.9.2 hadoop
export HADOOP_HOME=/software/hadoop
export HADOOP_INSTALL=$HADOOP_HOME
export HADOOP_MAPRED_HOME=$HADOOP_HOME
export HADOOP_COMMON_HOME=$HADOOP_HOME
export HADOOP_HDFS_HOME=$HADOOP_HOME
export YARN_HOME=$HADOOP_HOME
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib/native"
export PATH=$PATH:$HADOOP_HOME/sbin:$HADOOP_HOME/bin
cd /software/hadoop/etc/hadoop
vim core-site.xml
<configuration>
<!-- 指定运行端口 -->
<property>
<name>fs.defaultFS</name>
<value>hdfs://localhost:9000</value>
</property>
<!-- 指定临时目录 -->
<property>
<name>hadoop.tmp.dir</name>
<value>/data/hadoop/tmp</value>
</property>
</configuration>
cd /software/hadoop/etc/hadoop
vim hdfs-site.xml
<configuration>
<!-- 备份数量 -->
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
</configuration>
cd /software/hadoop/etc/hadoop
# 复制并重命名
cp mapred-site.xml.template mapred-site.xml
vim mapred-site.xml
<configuration>
<!-- 配置资源管理器 -->
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
</configuration>
cd /software/hadoop/etc/hadoop
vim yarn-site.xml
<configuration>
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
</configuration>
# 第一次,格式化namenode
hdfs namenode -format
# 运行HDFS
start-dfs.sh
# 运行yarn
start-yarn.sh
# 查看运行状况(前提是安装jdk并配置环境变量)
jps
# 停止hdfs
stop-dfs.sh
# 停止yarn
stop-yarn.sh