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To configure your CSIl account for Java 11,

  1. Using any text editor (e.g. vim, emacs) add these lines to your ~/.bashrc file:

    For example, use one of these commands to edit the file:

    • vim ~/.bashrc
    • emacs ~/.bashrc

    Here are the lines to add

    export JAVA_HOME=/usr/lib/jvm/java-11-openjdk
    export PATH=$JAVA_HOME/bin:$PATH
  2. Either log out and back in again, or just type this:

    source ~/.bashrc
  3. Now, if you type java --version you should see that you are working with Java 11

    [pconrad@csilvm-01 ~]$ java --version
    openjdk 11.0.8 2020-07-14
    OpenJDK Runtime Environment 18.9 (build 11.0.8+10)
    OpenJDK 64-Bit Server VM 18.9 (build 11.0.8+10, mixed mode, sharing)
    [pconrad@csilvm-01 ~]$