Configuring Java JDK on Ubuntu

This is an easy way to configure java on a linux box, all this information is available online.

First we need to obtain the build.

sudo wget

Extract from tar

 sudo tar xzvf  jdk-7u75-linux-x64.gz

Create symbolic link so we can later update the version

sudo ln -s /opt/jdk1.7.0_75/ /opt/java

we edit the /etc/profile and add following two lines

export JAVA_HOME=/opt/java
export PATH=$JAVA_HOME/bin:$PATH

finally we ‘source’ the file

source /etc/profile

At this point you should be ready to go, we can verify this by executing

java -version

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