The documentation on "Transactional file locking" (https://docs.nextcloud.com/server/27/admin_manual/configuration_files/files_locking_transactional.html) includes a link to a external documention in "If you are on Ubuntu you can follow this guide for a complete installation from scratch."
This Documentaion covers Ubuntu 14.04 with EOL in April, 2019. The link should be removed or replaced with a more recent version.
The documentation on "Transactional file locking" (https://docs.nextcloud.com/server/27/admin_manual/configuration_files/files_locking_transactional.html) includes a link to a external documention in "If you are on Ubuntu you can follow this guide for a complete installation from scratch."
This Documentaion covers Ubuntu 14.04 with EOL in April, 2019. The link should be removed or replaced with a more recent version.