Not crazy about the previous #nextcloud 14 tutorial we shared?
More of an #NGINX person? Here you go https://www.c-rieger.de/nextcloud-14-nginx-installation-guide-for-ubuntu-18-04-lts/
Oh, you prefer French? Sure: https://howto.wared.fr/ubuntu-installation-nextcloud-nginx/
Yes, that's just a few, so many already out there...
Please share your favorite tutorial!