$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

Derby Installation in Ubuntu 20.04 – Step-by-step

February 11, 2023 | By the+gnu+linux+evangelist.

Installing

  1. 2. Downloading Derby

    Download the Latest Apache Derby Database Release

    Apache Derby bin.tar.gz Archive

  2. 3. Setting Up Derby

    So now Extract Derby
    Directly into the Target:

    sudo tar xvzf $HOME/Downloads/db-derby*.bin.tar.gz -C /opt/

    Then Rename the Folder to Make Easier the next Path Setup:

    sudo mv /opt/db-derby* /opt/db-derby

  3. 4. Setting Up Ownership

    Setting Derby Ownership
    To the root Admin User:

    sudo su -c "chown -R root:root /opt/db-derby"

  4. 5. Setting Up Env Vars

    Setting Derby Environment Variables
    Editing the Bash Config File:

    nano $HOME/.bashrc

    And Appendending:

    /nexport DERBY_HOME=/opt/db-derby/nexport PATH=$PATH:$DERBY_HOME/bin

    Ctrl+x to Save &exit; from nano Editor :)
    And finally, to Reload the Bash PATH Env Var simply:

    bash

  5. 6. Installing Java

    How to Install Required Oracle Java JDK on Ubuntu

    Install Oracle JDK for Ubuntu

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