How to install a specific version of JAVA (JDK or JRE or both) in Linux(ubuntu)

1. In the instance ssh terminal, run -> uname -a


2. It will show the OS version, for example, x86_64 is 64bit and ix86


3. In your local machine or computer Download the specific version or tar.gz file that match with OS profile
   


4. FTP into that instance, and move the *.tar.gz from your local machine to you home folder, for example /home/YOUR_USER_NAME
   


5. In the instance terminal create directory by


6. mkdir /opt/jdk


7. Go to your home folder. For instance, cd /home/YOUR_USER_NAME


8. You should see the tar.gz file over there. Untar the file by


9. tar -zxf jdk-8u5-linux-x64.tar.gz -C /opt/jdk


10. Verify that the file has been extracted into the /opt/jdk directory by


11. ls /opt/jdk


12. The java executable is located under /opt/jdk/jdk_SPECIFIC_VERSION/bin/java . To set it as the default JVM in your machine run:


13. update-alternatives --install /usr/bin/java java /opt/jdk/jdk1.8.0_05/bin/java 100 and


14. update-alternatives --install /usr/bin/javac javac /opt/jdk/jdk1.8.0_05/bin/javac 100


15. Verify that java has been successfully configured by running:


16. java -version


17. and


18. java -version