5月13日用

5月13日用

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ifconfig

vi /etc/hosts

scp /etc/hosts slave1:/etc/

scp /etc/hosts slave2:/etc/

ssh-keygen -t rsa

ssh-copy-id master

ssh-copy-id slave1

ssh-copy-id slave2

jdk解压安装

cd /opt/software

mkdir /opt/module

tar –zxvf jdk-tab键 –C /opt/module

cd /opt/module

mv jdk-……/ jdk

ls查看

vi /etc/profile

export JAVA_HOME=/opt/module/jdk

export PATH=$JAVA_HOME/bin:PATH

source /etc/profile

java –version

slave1/slave2创建

mkdir /opt/module

mkdir /opt/module

scp –r /opt/module/jdk slave1:/opt/module/jdk

scp –r /opr/module/jdk slave2:/opt/module/jdk

slave1: vi /etc/profile

        export JAVA_HOME=/opt/module/jdk

        source /etc/profile

        java –version

slave2: vi /etc/profile

        export JAVA_HOME=/opt/module/jdk

        source /etc/profile

        java -version

Hadoop配置

cd /opt/software

tar -zxcf /opt/software/Hadoop…… -C /opt/module

cd /opt/module

mv Hadoop……/ Hadoop

vi /etc/profile

export HADOOP_HOME=/opt/module/Hadoop

export PATH=$HADOOP/bin:$PATH

source /etc/profile

hadoop version

vim core-site.xml

<property>