install java in linux

install java in linux

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 Setup Java by normal.

• Download from Oracle  java for linux  (jdk-7u45-linux-x64.tar.gz)
  http://www.oracle.com/technetwork/java/javase/downloads/index.html

tar -xzf jdk-7u45-linux-x64.tar.gz mv jdk1.7.0_45 /opt/

1 2	tar -xzf jdk-7u45-linux-x64.tar.gz mv jdk1.7.0_45 /opt/

• Setup Java

cd /opt/jdk1.7.0_45 alternatives --install /usr/bin/java java /opt/jdk1.7.0_45/bin/java 1 alternatives --config java

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cd /opt/jdk1.7.0_45 alternatives --install /usr/bin/java java /opt/jdk1.7.0_45/bin/java 1 alternatives --config java

• Set JAVA_HOME

export JAVA_HOME=/opt/jdk1.7.0_45 export JRE_HOME=/opt/jdk1.7.0_45/jre export PATH=$PATH:/opt/jdk1.7.0_45/bin:/opt/jdk1.7.0_45/jre/bin

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export JAVA_HOME=/opt/jdk1.7.0_45 export JRE_HOME=/opt/jdk1.7.0_45/jre export PATH=$PATH:/opt/jdk1.7.0_45/bin:/opt/jdk1.7.0_45/jre/bin

2.      Setup Java by RPM

• Download from Oracle version rpm java for linux (jdk-7u40-linux-x64.rpm)
  http://www.oracle.com/technetwork/java/javase/downloads/index.html
• Setup RPM

rpm -i jdk-7u45-linux-x64.rpm

1	rpm -i jdk-7u45-linux-x64.rpm