Install Java Runtime Environment (JRE) in Ubuntu 9.10 (Karmic)

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Java is an object-oriented programming language developed by Sun Microsystems in the early 1990s. Java applications are compiled to bytecode, which at runtime is either interpreted or compiled to native machine code for execution.

The language itself derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities. JavaScript, a scripting language, shares a similar name and has similar syntax, but is not directly related to Java.

Currently Ubuntu has the following Java packages

sun-java6-bin -- Contains the binaries

sun-java6-demo -- Contains demos and examples

sun-java6-doc -- Contains the documentation

sun-java6-fonts -- Contains the Lucida TrueType fonts from the JRE

sun-java6-jdk -- Contains the metapackage for the JDK

sun-java6-jre -- Contains the metapackage for the JRE

sun-java6-plugin -- Contains the plug-in for Mozilla-based browsers

sun-java6-source -- Contains source files for the JDK

Installing the Java Runtime Environment

First you need to check multiverse repository enabled or not after that open a terminal window. Since you are going to be installing the JRE and the web browser plug-in, you’ll be using the following command from a terminal

sudo apt-get install sun-java6-jre sun-java6-plugin sun-java6-fonts

Once it downloads the packages and begins the installation, you’ll get a screen that contains the Sun Operating System Distributor License for Java and hit Enter to continue.

1

You’ll see a dialog that asks you if you agree with the DLJ license terms. Select Yes, and hit Enter; the JRE will finish installing.

2

Testing Java Runtime Environment

You’ll want to confirm that your system is configured properly for Sun’s JRE. This is a two-step process.

First, check that the JRE is properly installed by running the following command from a terminal.

java -version

You should get similar output

3

Testing Java Plugin for Firefox

open Firefox and typing about:plugins in the address bar and check for java plugin

4

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41 thoughts on “Install Java Runtime Environment (JRE) in Ubuntu 9.10 (Karmic)

  1. Hi…
    Here are some packages are given for the JRE Installation in Ubuntu….
    Currently Ubuntu has the following Java packages
    sun-java6-bin – Contains the binaries
    sun-java6-demo – Contains demos and examples
    sun-java6-doc – Contains the documentation
    sun-java6-fonts – Contains the Lucida TrueType fonts from the JRE
    sun-java6-jdk – Contains the metapackage for the JDK
    sun-java6-jre – Contains the metapackage for the JRE
    sun-java6-plugin – Contains the plug-in for Mozilla-based browsers
    sun-java6-source – Contains source files for the JDK

    Apart from that use the following code in terminal to test the JRE…
    root@username-desktop:-#java -version
    java version “1.6.0_15″
    Java(TM) SE Runtime Environment (build 1.6.0_15-b03)
    Java HotSpot(TM) client VM (build 14.1.-b02,mixed mode, sharing)
    root@username-desktop:-#
    Anyway Thanks for sharing this information here…!!

    [Reply]

  2. After thease instructions bla bla bla and sudo this an sudo that my NEW wersion of JAVA is :
    ~$ java -version
    java version “1.6.0_0″
    OpenJDK Runtime Environment (IcedTea6 1.6.1) (6b16-1.6.1-1ubuntu3)
    OpenJDK Server VM (build 14.0-b16, mixed mode)

    It seems that JAVA more than 1.6.00 cant bee installed on ubuntu ….. eany version
    Sorry for my bad english.

    [Reply]

  3. Ricki, Try a fresh install (not the update) you will need the live CD to do that. The best set-up I found is with three partitions, 1 for /root (mount point “/”) at least 20 gig, another for /home (mount point “/home”) as big as you can get, and one for SWAP, twice the size of your RAM. If your are dual booting with Windows make sure you don’t screw with the Windows partition. Format all the other partitions to ext4.

    Remember that after you install it’s up to you to get your sound and video to work. This is because of the “OpenSource” philosophy of not supplying non-free software. Some video drivers, Flash and some sound codex (like MP3) are not open source.
    (that is the part that upsets a lot of people that try to upgrade and then sound and video don’t work), this is Linux, OpenSource, not Windows.

    [Reply]

  4. Opps, I forgot, all partitions formated to ext4 WILL NOT BE AVAILABLE to Windows! If you want a shared partition it must be either FAT32 or NTFS.

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  5. JRE 1.6.0 Update 15 from the repositories is old. Best way is to download the selfextracting Linux bin of JRE (Update 17 is the actual one) from http://www.java.com

    After that do

    fakeroot make-jpkg jre-6u17-linux-i586.bin

    to create a .deb of if. The .deb can be installed with the normal sudo dpkg -i or sudo aptitude install way.

    [Reply]

  6. Tried creating the package with java-package, the .deb it creates installs on Karmic but it gives an error. Also doesn’t install the plugin.

    [Reply]

  7. The following packages have unmet dependencies.
    sun-java6-plugin: Depends: sun-java6-bin (= 6-15-1) but 6-16-0ubuntu1.9.04 is to be installed
    E: Broken packages

    Help anyone?

    [Reply]

  8. Don’t think it is a broken package. Seems like the sun-java6-plugin has not been updated to the same version as the sub-java6-bin in the package repositories. I have the same problem and would really like to see the java-plugin to be updated.

    [Reply]

  9. uJared…

    sudo apt-get remove sun-java6-jre sun-java6-plugin sun-java6-bin sun-java6-fonts
    sudo apt-get autoremove

    sudo apt-get install sun-java6-jre sun-java6-plugin sun-java6-fonts

    [Reply]

  10. I can’t get it to continue after it says Configuring sun-java6-jre. I press enter but it doesn’t do anything. I’m stuck at the license agreement.

    [Reply]

  11. Well, I followed the instructions but it does appear that Sun has deleted the file from where ever the command fetches the file from… leaving me unable to play NES, GameBoy, GameBoy Color, TurboGrafx 16, Master System, and Apple II games from Vizzed D: I REALLY hope someone patches this up soon. Seriously, it’s painful not being able to play the games because of this.

    [Reply]

  12. I develop java applets and the fact that the java-plugin isnt updated makes ubuntu karmic virtually unusable for that task.

    [Reply]

  13. I had this problem too, and telperion’s solution worked for me. Try it.

    To explain it further: The error messages mean that you have sun-java6-bin version 6-16-0ubuntu1.9.04 installed, which was built for jaunty (9.04) but is a newer version of Java than what is in the repository for karmic, namely version 6-15-1. (I’m not sure where that newer version came from, but I had it too. I probably tried to update my Java from some third-party .deb back when I was running jaunty and then forgot about it.) Anyway, the sun-java6-plugin package wants the karmic version of sun-java6-bin, not the newer version, but apt will not automatically downgrade for you. The commands telperion shows will remove java 6-16-0 and replace it with a consistent 6-15-1.

    Rolando: When you get to the license agreement, hit Tab to highlight the OK button, THEN hit enter.

    I’m sure you could also get a newer version of Java from Sun as cYbercOsmOnauT mentions, but it’s simpler to use the one packaged with karmic if that one is recent enough for your needs.

    [Reply]

  14. Just do:
    sudo aptitude install sun-java6-plugin

    It will automatically figure out the solution. In my case it was to downgrade from 6-16-0ubuntu1.9.04 to 6-15-1. It is in general better to use aptitude instead of apt-get.

    [Reply]

  15. Hey TieMann, I was facing the same problem as Rolando and I didn’t know how to proceed further. Thanks for the tip.!

    Cheers!

    [Reply]

  16. @don1500 — I am not sure whether this plugin works for ext4 partitions, but there is a windows add-on which allows windows to access ext2/3 partitions using ext2 techniques (non-journaling). This machine I am using right now has a jointly shared “home/my documents” folder between Ubuntu and WinXP. It’s kind of cool, but I have decided sharing the home directory isn’t really worth the trouble.

    Nonetheless, the point is that there are extensions to allow windows to operate ‘safely’ on extX partitions.

    [Reply]

  17. TYTYTYTYTYTYTY I have tried installing Java several times now, following instructions from one site or another, and while I did manage once or twice to get it installed, Firefox would not recognize that it was installed. Scraped it all one more time, and used the very simple instructions here, and works just fine! Makes me wonder why the instructions are so complicated on other sites…

    G

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  18. Hi :D, i don’t know if the way i did is the better way, but i just look for the package sun-java6-plugin in synaptic and it put a checkmark on the others packages deeded, and ta-daa!!, uploading photos to Facebook via Java :P may not work for everyone, i really dnot know :D ( i’m using ubuntu 9.10)

    Hey sorry if I did some grammatical mistakes, my first lenguage is not the english, is the spanish, and i am really lazy to use a translator :D

    [Reply]

  19. Thanks for the info – I was having a heck of a time figuring out how to install Java and the java.com site sucks – and so does their stupid licensing in the terminal window

    [Reply]

  20. I’m running Ubuntu 9.10 and Firefox 3.6.2. I’ve followed these instructions and those on other sites, too. No good. I get…
    java version “1.6.0_15″
    Java(TM) SE Runtime Environment (build 1.6.0_15-b03)
    Java HotSpot(TM) Client VM (build 14.1-b02, mixed mode, sharing)

    So the right version is installed but no java plugin in Firefox.

    Any clues? Is it a compatibility issue with 3.6.2?

    [Reply]

  21. how to click ok

    [Reply]

    admin Reply:

    use tab key from your key board to select ok and then enter

    [Reply]

  22. Java Web Start will not start

    Details: Failed to execute child process “/usr/lib/jvm/java-6-sun-1.6.0.15/jre/bin/javaws” (No such file or directory)

    ran java -version

    samstone@samstone-laptop:~$ java -version
    java version “1.6.0_20″
    Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
    Java HotSpot(TM) Client VM (build 16.3-b01, mixed mode, sharing)

    Preciate the advice you guys and gals are awesome!

    p.s. karmic/gnome/acer netbook/dual atom processors

    p.s.s. followed advice from telperion says:

    sudo apt-get remove sun-java6-jre sun-java6-plugin sun-java6-bin sun-java6-fonts
    sudo apt-get autoremove

    sudo apt-get install sun-java6-jre sun-java6-plugin sun-java6-fonts

    didn’t work

    p.s.s.s. followed advice from Shisoik says:

    Just do:
    sudo aptitude install sun-java6-plugin

    It will automatically figure out the solution. In my case it was to downgrade from 6-16-0ubuntu1.9.04 to 6-15-1. It is in general better to use aptitude instead of apt-get.

    didn’t work

    [Reply]

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