How to Upgrade Oracle Java on Ubuntu Linux

 Posted on May 6, 2023  |  2 minutes  |  353 words  |  Trudie Dory

This document is intended to assist with the upgrade of the many new release versions of Oracle Java JDK/JRE on Ubuntu Linux. Every so often, due to bug fixes and security issues Oracle releases updates to their version of the Java...

Method 1 of 4:

32-bit Oracle Java instructions:

  • Picture 1 of How to Upgrade Oracle Java on Ubuntu Linux Become root user and copy the new compressed Oracle Java binaries from our download directory to /usr/local/java
  • Type/Copy/Paste: cd /home/"your_user_name"/Downloads
  • Type/Copy/Paste: sudo cp -r jdk-7u40-linux-i586.tar.gz /usr/local/java
  • Type/Copy/Paste: sudo cp -r jre-7u40-linux-i586.tar.gz /usr/local/java
  • Type/Copy/Paste: cd /usr/local/java
  • Picture 2 of How to Upgrade Oracle Java on Ubuntu Linux Next we are going to unpack our new version of Oracle Java binaries, in the directory /usr/local/java
  • Type/Copy/Paste: sudo tar xvzf jdk-7u40-linux-i586.tar.gz
  • Type/Copy/Paste: sudo tar xvzf jre-7u40-linux-i586.tar.gz

    • Method 2 of 4:

    64-bit Oracle Java instructions:

  • Picture 3 of How to Upgrade Oracle Java on Ubuntu Linux Become root user and copy the new compressed Oracle Java binaries from our download directory to /usr/local/java
  • Type/Copy/Paste: cd /home/"your_user_name"/Downloads
  • Type/Copy/Paste: sudo -s cp -r jdk-7u40-linux-x64.tar.gz /usr/local/java
  • Type/Copy/Paste: sudo -s cp -r jre-7u40-linux-x64.tar.gz /usr/local/java
  • Type/Copy/Paste: cd /usr/local/java
  • Picture 4 of How to Upgrade Oracle Java on Ubuntu Linux Next we are going to unpack our new version of Oracle Java binaries, in the directory /usr/local/java
  • Type/Copy/Paste: sudo tar xvzf jdk-7u40-linux-x64.tar.gz
  • Type/Copy/Paste: sudo tar xvzf jre-7u40-linux-x64.tar.gz
  • Picture 5 of How to Upgrade Oracle Java on Ubuntu Linux At this point you should have two new uncompressed binary directories in /usr/local/java for the Java JDK/JRE listed as:

    jdk1.7.0_40
    jre1.7.0_40

    Along with:

    jdk1.7.0_25
    jre1.7.0_25

    • Method 3 of 4:

    Modify your Linux system PATH:

  • Picture 6 of How to Upgrade Oracle Java on Ubuntu Linux Edit the system PATH file /etc/profile and add the following system variables to your system path. Use gedit, nano or any other text editor, as root, and open up /etc/profile
  • Type/Copy/Paste: sudo gedit /etc/profile
    or
  • Type/Copy/Paste: sudo nano /etc/profile
  • Picture 7 of How to Upgrade Oracle Java on Ubuntu Linux Scroll down using your arrow keys to the end of the file and add the following lines below to the end of your /etc/profile file in Ubuntu Linux,at this point you are going to be changing the version numbers from the old Oracle Java to the new version of Java, you will change the versions numbers in the following system PATH file /etc/profile:

    Modify the /etc/profile file:
    JAVA_HOME=/usr/local/java/jdk1.7.0_25
    PATH=$PATH:$HOME/bin:$JAVA_HOME/bin
    JRE_HOME=/usr/local/java/jre1.7.0_25
    PATH=$PATH:$HOME/bin:$JRE_HOME/bin
    export JAVA_HOME
    export JRE_HOME
    export PATH

    Change to this:
    JAVA_HOME=/usr/local/java/jdk1.7.0_40
    PATH=$PATH:$HOME/bin:$JAVA_HOME/bin
    JRE_HOME=/usr/local/java/jre1.7.0_40
    PATH=$PATH:$HOME/bin:$JRE_HOME/bin
    export JAVA_HOME
    export JRE_HOME
    export PATH

    Save the file and exit

    • Kareem Winters Kareem Winters

    Update 04 March 2020

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