Java 8 - Linux

Owned by Saurabh Gupta (Unlicensed)
Last updated: Jun 27, 2017Version comment

This section helps you to install Java 8 on your computer. Before start installing, ensure that you have downloaded the installer. Click here to download Java 8 installer.

Download the tar file.

Extract the tar file to the /opt folder.

Configuring Java Environment Variable

  1. Note the extracted Java path, that is, ./opt/jdk 1.8.0_121.

  2. Modify the /etc/environment file to set Java variables. For example, 

    vi /etc/environment
  3. Type the below lines:
    JAVA_HOME="/opt/jdk1.8.0_121"
    JRE_HOME="/opt/jdk1.8.0_121/jre"
  4. Save the file and restart your computer.

Verifying Java Environment Variable

  1. Open the Terminal with root user.
  2. Execute the below commands to verify Java home and JRE home:
    echo $JAVA_HOME
    echo $JRE_HOME
    Command will show the installed Java version number. Check the version displayed on the Terminal with the version installed. 

Next Step

Installing Apache Tomcat 9