Ubuntu Server 14.04 - Install Oracle JDK 1.7.x

Following steps to install Oracle JDK 1.7.x

In this tutorial supposed that we downloaded file "jdk-7u55-linux-i586.tar.gz" and copied it into the user home path by WinSCP or another tool like WinSCP.

1. Extract file

1	$ tar xvzf jdk-7u55-linux-i586.tar.gz

2. Create java directory under /usr/local

1 2	$ cd /usr/local/ $ mkdir java

3. Copy the Oracle Java binaries into the /usr/local/java directory

1	$ cp -r /home/USER/jdk1.7.0_55 /usr/local/java

Replace USER with your name

4. Edit the system PATH file /etc/profile and add the following system variables to your system path

1	$ vi /etc/profile

5. Add the following lines below to the end of your /etc/profile file

1 2 3 4

JAVA_HOME=/usr/local/java/jdk1.7.0_55 PATH=$PATH:$HOME/bin:$JAVA_HOME/bin export JAVA_HOME export PATH

Write and quit (:wq)

6. Tell the system that the new Oracle Java version is available for use in a new path

1	$update-alternatives --install "/usr/bin/javac" "javac" "/usr/local/java/jdk1.7.0_55/bin/javac" 1

7. Reload your system wide PATH /etc/profile

1	$. /etc/profile

8. Test the new path

1	$java -version

If we see the result like below, the Oracle Java was installed correctly

1 2 3

java version "1.7.0_55" Java(TM) SE Runtime Environment (build 1.7.0_55-b13) Java HotSpot(TM) Client VM (build 24.55-b03, mixed mode)