gem install passenger 

rvmsudo passenger-install-nginx-module

```bash /opt/nginx/conf/nginx.conf

server { listen 80; server_name www.xxx.com; root /home/user/app/public; passenger_enabled on; }

location ~ <sup>/(assets)/</sup> {
gzip_static on; expires max; add_header Cache-Control public; }

location = /favicon.ico { expires max; add_header Cache-Control public; }

location /images { root /home/apps/appname/current/public/images; }

# deny access to .htaccess files, if Apache's document root # concurs with nginx's one # #location ~ /.ht { # deny all; #}

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passenger start -e production

```bash /etc/init.d/nginx
### BEGIN INIT INFO
# Provides:          nginx
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the nginx web server
# Description:       starts nginx using start-stop-daemon
### END INIT INFO

PATH=/opt/nginx/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin
DAEMON=/opt/nginx/sbin/nginx
NAME=nginx
DESC=nginx

test -x $DAEMON || exit 0

# Include nginx defaults if available
if [ -f /etc/default/nginx ] ; then
        . /etc/default/nginx
fi

set -e

case "$1" in
  start)
        echo -n "Starting $DESC: "
        start-stop-daemon --start --quiet --pidfile /opt/nginx/logs/$NAME.pid \
                --exec $DAEMON -- $DAEMON_OPTS
        echo "$NAME."
        ;;
  stop)
        echo -n "Stopping $DESC: "
        start-stop-daemon --stop --quiet --pidfile /opt/nginx/logs/$NAME.pid \
                --exec $DAEMON
        echo "$NAME."
        ;;
  restart|force-reload)
        echo -n "Restarting $DESC: "
        start-stop-daemon --stop --quiet --pidfile \
                /opt/nginx/logs/$NAME.pid --exec $DAEMON
        sleep 1
        start-stop-daemon --start --quiet --pidfile \
                /opt/nginx/logs/$NAME.pid --exec $DAEMON -- $DAEMON_OPTS
        echo "$NAME."
        ;;
  reload)
          echo -n "Reloading $DESC configuration: "
          start-stop-daemon --stop --signal HUP --quiet --pidfile     /opt/nginx/logs/$NAME.pid \
              --exec $DAEMON
          echo "$NAME."
          ;;
      *)
            N=/etc/init.d/$NAME
            echo "Usage: $N {start|stop|restart|reload|force-reload}" >&2
            exit 1
            ;;
    esac

    exit 0

把上面的配置文件内容加到/etc/init.d/nginx中

sudo vi /etc/init.d/nginx

$ sudo chmod +x /etc/init.d/nginx
$ sudo update-rc.d -f nginx defaults
$ sudo /etc/init.d/nginx status
$ sudo service nginx stop

sudo service nginx [start|stop|restart|status]