Extension:DownloadBook

The DownloadBook extension allows extension Collection to generate PDF files without a local or external MWServe server.

It can use third-party utilities such as pandoc (for ePub, ODT, etc.) or WeasyPrint (for PDF). They exist as packages in many Linux distributions.

Advanced configuration
You can modify the conversion commands in "LocalSettings.php", for example:

Please see the file "extension.json" for other configuration options. Also note that keys in  array are the same formats as in Collection (i.e.   is the command for PDF).

Installing third-party conversion tool is your own risk and responsibility. This extension simply calls that tool, and then provides the result to extension Collection.

Troubleshooting
Add the following to your "LocalSettings.php":