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

How to Install Calibre on Ubuntu 19.10 Eoan Gnu/Linux

September 20, 2019 | By the+gnu+linux+evangelist.

Installing

  1. 2. Downloading

    How to Download Calibre Installer for GNU/Linux

    Calibre .sh Installer
  2. 3. Installing

    Then to Install the Latest Calibre for GNU/Linux
    First, Set Permissions with:

    chmod +x ~/Downloads/linux-installer.sh

    And then Run the Calibre Installation Script:

    sudo ~/Downloads/linux-installer.sh

    If Got “User is Not in Sudoers file” then see: How to Enable sudo

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