Linux Hint published a tutorial about installing ONLYOFFICE docs for online document editing.
Install ONLYOFFICE Docs for Online Document Editing?
ONLYOFFICE Docs is a self-hosted office suite that uses docx, xlsx, and pptx as core formats, which means that it creates and saves these files by default as well. This article will explain how to install the Community version, as well as the difference between the community and enterprise version.
Install ONLYOFFICE Docs for Online Document Editing? – Linux Hint