hadoop安装
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1、配置环境变量 vim /etc/proflie
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
export HADOOP_HOME=/home/simon/software/hadoop
export PATH=${HADOOP_HOME}/bin:$PATH
2、[email protected]: source /etc/profile
3、hadoop-env.sh
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
4、core-site.xml
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://localhost:9000</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>file:/home/simon/hadWorkspace/tmp</value>
<description>Abase for other temporary directories.</description>
</property>
</configuration>
5、hdfs-site.xml
<configuration>
<property>
<name>dfs.namenode.secondary.http-address</name>
<value>localhost:50090</value>
</property>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:/home/simon/hadWorkspace/namenode</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:/home/simon/hadWorkspace/datanode</value>
</property>
</configuration>
6、mapred-site.xml
<configuration>
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
<property>
<name>mapreduce.jobhistory.address</name>
<value>localhost:10020</value>
</property>
<property>
<name>mapreduce.jobhistory.webapp.address</name>
<value>localhost:19888</value>
</property>
</configuration>
7、yarn-site.xml
<configuration>
<property>
<name>yarn.resourcemanager.hostname</name>
<value>localhost</value>
</property>
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
</configuration>
8、配置ssh
sudo apt-get install ssh
sudo apt-get install rsync
ssh-keygen -t rsa -P ‘‘ -f ~/.ssh/id_rsa
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 0600 ~/.ssh/authorized_keys
ssh localhost
9、运行
[email protected]:~$ cd /home/simon/software/hadoop/bin
[email protected]:~/software/hadoop/bin$ hadoop namenode -format
[email protected]:~$ cd /home/simon/software/hadoop/sbin
[email protected]:~/software/hadoop/sbin$ ./start-all.sh
[email protected]:~/software/hadoop/sbin$ jps
10564 NodeManager
10692 Jps
10329 SecondaryNameNode
10140 DataNode
9996 NameNode
9534 ResourceManager
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