eshlox@ping:/etc/uwsgi/apps-enabled$ sudo groupadd -r uwsgi
eshlox@ping:/etc/uwsgi/apps-enabled$ sudo service uwsgi restart
 * Restarting app server(s)uwsgi   
 install: invalid user `uwsgi'


eshlox@ping:/etc/uwsgi/apps-enabled$ sudo useradd -M -g uwsgi -r uwsgi
Mon Sep  3 19:10:12 2012 - group uwsgi not found.