HADOOP基於hortonworks的安裝---JAVA安裝

 本文的hadoop安裝是基於hortonworks的RPMS安裝

文檔請見：http://docs.hortonworks.com/CURRENT/index.htm

http://www.oracle.com/technetwork/java/javase/downloads/jdk-6u31-download-1501634.html

下載java jdk-6u31-linux-x64.bin

#Java settings

chmod u+x /home/jdk-6u31-linux-x64.bin 

/home/jdk-6u31-linux-x64.bin -noregister

mv  jdk1.6.0_31  /usr/

 

 

#Create symbolic links (symlinks) to the JDK.

 

mkdir /usr/java

ln -s /usr/jdk1.6.0_31/ /usr/java/default

ln -s /usr/java/default/bin/java /usr/bin/java

 

#Set up your environment to define JAVA_HOME 

#to put the Java Virtual Machine and the Java compiler on your path.

 

echo "export JAVA_HOME=/usr/java/default"  >>/etc/profile

echo "export PATH=\$JAVA_HOME/bin:\$PATH"  >>/etc/profile

source  /etc/profile