HomeTechnologyLinuxHow to Enable Oracle Java in Your Web Browsers on Ubuntu

How to Enable Oracle Java in Your Web Browsers on Ubuntu Linux

Method 1 of 2:

Google Chrome

32-bit Oracle Java instructions:

  1. How to Enable Oracle Java in Your Web Browsers on Ubuntu Linux Picture 1
    Issue the following commands.
    1. Type/Copy/Paste: sudo mkdir /opt/google/chrome/plugins
      1. this will create a directory called /opt/google/chrome/plugins
    2. Type/Paste/Copy: cd /opt/google/chrome/plugins
      1. this will change you into the google chrome plugins directory,make sure you are in this directory before you make the symbolic link
    3. Type/Paste/Copy: sudo ln -s /usr/local/java/jre1.7.0_40/lib/i386/libnpjp2.so
      1. this will create a symbolic link from the Java JRE( Java Runtime Environment ) plugin libnpjp2.so to your Google Chrome web browser

64-bit Oracle Java instructions:

  1. How to Enable Oracle Java in Your Web Browsers on Ubuntu Linux Picture 2
    Issue the following commands.
    1. Type/Copy/Paste: sudo mkdir /opt/google/chrome/plugins
      1. this will create a directory called /opt/google/chrome/plugins
    2. Type/Paste/Copy: cd /opt/google/chrome/plugins
      1. this will change you into the google chrome plugins directory,make sure you are in this directory before you make the symbolic link
    3. Type/Paste/Copy: sudo ln -s /usr/local/java/jre1.7.0_40/lib/amd64/libnpjp2.so
      1. this will create a symbolic link from the Java JRE( Java Runtime Environment ) plugin libnpjp2.so to your Google Chrome web browser

Reminders:

  1. How to Enable Oracle Java in Your Web Browsers on Ubuntu Linux Picture 3
    Note: Sometimes when you issue the above command you may receive a message which states:
    1. ln: creating symbolic link `./libnpjp2.so': File exists
    2. To correct this issue simply remove the previous symbolic link using the following command:
    3. Type/Copy/Paste: cd /opt/google/chrome/plugins
    4. Type/Copy/Paste: sudo rm -rf libnpjp2.so
    5. Make sure you are in the /opt/google/chrome/plugins directory before you issue the command
  2. How to Enable Oracle Java in Your Web Browsers on Ubuntu Linux Picture 4
    Restart your web browser and go to Java Tester to test if Java is functioning in your web browser.
Method 2 of 2:

Mozilla Firefox

32-bit Oracle Java instructions:

  1. How to Enable Oracle Java in Your Web Browsers on Ubuntu Linux Picture 5
    Issue the following commands.
    1. Type/Paste/Copy: cd /usr/lib/mozilla/plugins
      1. this will change you into the directory /usr/lib/mozilla/plugins, create this directory if you do not have it
    2. Type/Paste/Copy: sudo mkdir /usr/lib/mozilla/plugins
      1. this will create the directory /usr/lib/mozilla/plugins, make sure you are in this directory before you make the symbolic link
    3. Type/Paste/Copy: sudo ln -s /usr/local/java/jre1.7.0_40/lib/i386/libnpjp2.so
      1. this will create a symbolic link from the Java JRE( Java Runtime Environment ) plugin libnpjp2.so to your Mozilla Firefox web browser

64-bit Oracle Java instructions:

  1. How to Enable Oracle Java in Your Web Browsers on Ubuntu Linux Picture 6
    Issue the following commands.
    1. Type/Paste/Copy: cd /usr/lib/mozilla/plugins
      1. this will change you into the directory /usr/lib/mozilla/plugins, create this directory if you do not have it
    2. Type/Paste/Copy: sudo mkdir /usr/lib/mozilla/plugins
      1. this will create the directory /usr/lib/mozilla/plugins, make sure you are in this directory before you make the symbolic link
    3. Type/Paste/Copy: sudo ln -s /usr/local/java/jre1.7.0_40/lib/amd64/libnpjp2.so
      1. this will create a symbolic link from the Java JRE( Java Runtime Environment ) plugin libnpjp2.so to your Mozilla Firefox web browser

Reminders:

  1. How to Enable Oracle Java in Your Web Browsers on Ubuntu Linux Picture 7
    Note: Sometimes when you issue the above command you may receive a message which states:
    1. ln: creating symbolic link `./libnpjp2.so': File exists
    2. To correct this issue simply remove the previous symbolic link using the following command:
    3. Type/Copy/Paste: cd /usr/lib/mozilla/plugins
    4. Type/Copy/Paste: sudo rm -rf libnpjp2.so
    5. Make sure you are in the /usr/lib/mozilla/plugins directory before you issue the command
  2. How to Enable Oracle Java in Your Web Browsers on Ubuntu Linux Picture 8
    Restart your web browser and go to Java Tester to test if Java is functioning in your web browser.
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