Nginx config error

Installing on AWS, ubuntu 18.02. Installing based on hitchhiker’s guide, running into trouble setting up Nginx.

frappe:~/frappe-bench$ bench setup nginx
WARN: bench is installed in editable mode!

This is not the recommended mode of installation for production. Instead, install the package from PyPI with: `pip install frappe-bench`

Port configuration list:

Site globaltec assigned port: 80
frappe:~/frappe-bench$ rm -f /etc/nginx/sites-enabled/*
rm: cannot remove '/etc/nginx/sites-enabled/default': Permission denied
frappe:~/frappe-bench$ sudo rm -f /etc/nginx/sites-enabled/*
frappe:~/frappe-bench$ sudo ln -s ./config/nginx.conf /etc/nginx/sites-enabled/frappe.conf
frappe:~/frappe-bench$ sudo service nginx restart
Job for nginx.service failed because the control process exited with error code.
See "systemctl status nginx.service" and "journalctl -xe" for details.

Anyone know where I’m going wrong?

what does

See "systemctl status nginx.service" and "journalctl -xe" for details

show you?
Possibly you already have a running process using the port 80 (eg a rogue apache2?)
maybe check used ports with something like

netstat -tnlp | grep -i listen