Nginx has been installed from the official Nginx repository.

/etc/apt/sources.list.d/nginx.list

deb [arch=amd64] http://nginx.org/packages/mainline/ubuntu/ focal nginx


Sergey A. Osokin Wrote:
-------------------------------------------------------
> On Wed, Jun 09, 2021 at 11:46:32AM -0400, hgv wrote:
> > /etc/systemd/system/nginx.service.d/override.conf and
> > /usr/lib/systemd/system/nginx.service don't exist
>
> Thanks for the update.
>
> Not sure how nginx package has been installed on that box. So, I'd
> recommend
> to follow the instruction and install nginx from a prebuilt Ubuntu
> package:
>
> https://docs.nginx.com/nginx/admin-guide/installing-nginx/installing-n
> ginx-open-source/#prebuilt_ubuntu
>
> Thanks.
>
> --
> Sergey Osokin
> _______________________________________________
> nginx mailing list
> nginx@nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx