Django, Nginx, Gunicorn. Ubuntu 16.04 error -


i'n trying run server - https://www.digitalocean.com/community/tutorials/how-to-set-up-django-with-postgres-nginx-and-gunicorn-on-ubuntu-16-04#create-a-gunicorn-systemd-service-file

when try run commands, error - sudo: unable resolve host giver.local

what can problem?

that error indicates wrong in /etc/hosts or etc/hostname

see https://askubuntu.com/questions/59458/error-message-when-i-run-sudo-unable-to-resolve-host-none.


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