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obysr
Asked: 2012-03-31 21:58:55 +0800 CST

How to remove Oracle JDK

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I didn't find any related articles about How to remove Oracle JDK. There are some related articles but they didn't solve the problem.

I installed Oracle JDK tarball file from Oracle site by following this article How do I install Oracle Java JDK 7. It was very helpful. But still I don't know what I should do in order to uninstall Oracle JDK.

uninstall jdk oracle

3 Answers

  1. Best Answer

    It could be done like this:

    1. Remove the link: 

      sudo update-alternatives --remove "java" "/usr/lib/jvm/jdk[version]/bin/java"    
sudo update-alternatives --remove "javac" "/usr/lib/jvm/jdk[version]/bin/javac"    
sudo update-alternatives --remove "javaws" "/usr/lib/jvm/jdk[version]/bin/javaws"

    2. Then, remove the package in the /usr/lib/jvm:

      sudo rm -r /usr/lib/jvm/jdk[version]

    Note :

    • Change [version] with any version number that's contained in jdk folder's name, example: jdk[version] = jdk1.7.0_13.

    • If you are new to Linux, you should probably get familiar with the manual page. Lot of good stuff from there. Just go to the terminal and type man update-alternatives.

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  2. Run sudo update-alternatives --config java and choose an openjdk verion. Delete the oracle jdk files and if you need to uninstall openjdk too, do it with the Ubuntu Software Center.

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  3. Delete the symlinks in bin and wherever you extracted the tarball(it SHOULD be in opt, but i didn't read the previous guide)

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