Upstart

Save this file as /etc/init/nginx.conf

# nginx
 
description "nginx http daemon"
author "George Shammas <georgyo@gmail.com>"
 
start on (filesystem and net-device-up IFACE=lo)
stop on runlevel [!2345]
 
env DAEMON=/usr/sbin/nginx
env PID=/var/run/nginx.pid
 
expect fork
respawn
 
pre-start script
        $DAEMON -t
        if [ $? -ne 0 ]
                then exit $?
        fi
end script
 
post-stop script
    start-stop-daemon --stop --pidfile $PID --name nginx --exec $DAEMON --signal TERM
end script
 
exec $DAEMON

“respawn” tells upstart to keep nginx master process alive and expect fork tracks ngnix after the fork. pre-start script helps say when the services fails

Then check the upstart job list:

initctl list | grep nginx

and start the job:

initctl start nginx

Upstart

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