Shulou(Shulou.com)06/02 Report--

Environmental requirements: java, ssh1. Upload and extract the tar package [root@hadoop000 software] # rz # upload hadoop-2.8.1.tar.gz [root@hadoop000 software] # tar-xzvf hadoop-2.8.1.tar.gz 2. Configure the environment variable [root@hadoop000 software] # vi / etc/profileexport HADOOP_HOME=/opt/software/hadoop-2.8.1export PATH=$HADOOP_HOME/bin:$PROTOC_HOME/bin:$FINDBUGS_HOME/bin:$MAVEN_HOME/bin:$JAVA_HOME/bin:$ path [root @ hadoop000 software] # source / etc/profile

3. Configuration file

[hadoop@hadoop000 ~] # cd / opt/software/hadoop-2.8.1 [hadoop@hadoop000 hadoop-2.8.1] # vi etc/hadoop/core-site.xml fs.defaultFS hdfs://192.168.137.130:9000 # configure your machine's IP [hadoop@hadoop000 hadoop-2.8.1] # vi etc/hadoop/hdfs-site.xml dfs.replication 1 # more Change JAVA_ home [Hadoop @ hadoop000 hadoop-2.8.1] # vi etc/hadoop/hadoop-env.sh# to change export JAVA_HOME=$ {JAVA_HOME} to export JAVA_HOME=/usr/java/jdk1.8.0_454. Format and launch [hadoop@hadoop000 hadoop-2.8.1] # bin/hdfs namenode-format [hadoop@hadoop000 hadoop-2.8.1] # sbin/start-dfs.sh5. Check whether [hadoop@hadoop000 hadoop-2.8.1] # jps19536 DataNode19440 NameNode19876 Jps19740 SecondaryNameNode access: http://localhost:50070

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