How do I completely remove Java from Linux?

If you want to completely remove Java from your Linux box, the procedure of removing the symbolic link is described below.

  1. Open Terminal Window.
  2. Log in as the super user.
  3. Type: rm /usr/lib/mozilla/plugins/libnpjp2.so.
  4. You will be prompted to remove symbolic link: rm: /usr/lib/mozilla/plugins/libnpjp2.so?
  5. Type: Y.

How do I uninstall Java 11 and install Java 8 Ubuntu?

  1. Remove the Oracle’s Java folder: sudo rm -r /usr/lib/jvm/java-11-oracle.
  2. Install OpenJDK 8 from APT: sudo apt install openjdk-8-jdk openjdk-8-jre.
  3. Confirm Java version using: java -version.

How do I uninstall Java on Ubuntu?

Open up the terminal on Ubuntu. Get the JDK package name using dpkg and grep….Remove Java from Ubuntu

  1. Launch the terminal using Ctrl + Alt + T.
  2. Issue the following command to remove Java from your system. sudo apt remove default-jdk default-jre.
  3. Confirm the uninstallation process by typing y.

How do I uninstall Java and Maven on Ubuntu?

8 Answers

  1. Remove all the Java related packages (Sun, Oracle, OpenJDK, IcedTea plugins, GIJ): dpkg-query -W -f=’${binary:Package}\n’ | grep -E -e ‘^(ia32-)?(
  2. Purge config files (careful.
  3. Remove Java config and cache directory: sudo bash -c ‘ls -d /home/*/.java’ | xargs sudo rm -rf.

How do I remove older versions of Java in Ubuntu?

  1. purge the older with sudo apt-get purge openjdk-\*
  2. Add repository sudo add-apt-repository ppa:openjdk-r/ppa.
  3. Update the packages sudo apt-get update.
  4. Install java 8 with sudo apt-get install openjdk-8-jdk.
  5. To check list of java versions installed do sudo update-java-alternatives –list.

How do I change Java version in Ubuntu?

To switch between installed java versions, use the update-java-alternatives command. where /path/to/java/version is one of those listed by the previous command (e.g. /usr/lib/jvm/java-7-openjdk-amd64 ).

How do I uninstall Java from Ubuntu?

How do I uninstall Java 8 on Linux?