monit service monitoring

apt-get install monit
Reading package lists… Done
Building dependency tree… Done
The following NEW packages will be installed:
  monit
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
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Selecting previously deselected package monit.
(Reading database … 58858 files and directories currently installed.)
Unpacking monit (from .../monit_1%3a4.8.1-2.1_i386.deb) …
Setting up monit (4.8.1-2.1) …
Starting daemon monitor: monit won't be started/stopped
        unless it it's configured
        please configure monit and then edit /etc/default/monit
        and set the "startup" variable to 1 in order to allow 
        monit to start

set daemon  120
set logfile syslog facility log_daemon
set mailserver localhost
set alert root@localhost
set httpd port 2812 and
use address localhost  # only accept connection from localhost
allow localhost        # allow localhost to connect to the server and
allow admin:stR0Ngpsswd       # require user 'admin' with password 'monit'

mkdir /var/www/monit/
touch /var/www/monit/token

SetEnvIf        Request_URI "^/monit/token$" dontlog
CustomLog       logs/access.log common env=!dontlog

start program = "/etc/init.d/apache2 start"
stop  program = "/etc/init.d/apache2 stop"
      if failed host 127.0.0.1 port 80 
              protocol HTTP request /monit/token then restart
      if 5 restarts within 5 cycles then timeout

# You must set this variable for monit to start
startup=1

/etc/init.d/monit start

ps aux | grep monit 
root     11583  0.0  0.7  20400  1248 ?        Sl   04:20   0:00 /usr/sbin/monit -d 180 -c /etc/monit/monitrc -s /var/lib/monit/monit.state
/etc/init.d/apache2 stop

Jun 18 04:32:41 rimu monit[11583]: HTTP error: Server returned status 404 
Jun 18 04:32:41 rimu monit[11583]: 'apache2' failed protocol test [HTTP] at INET[127.0.0.1:80] via TCP 
Jun 18 04:32:41 rimu monit[11583]: 'apache2' trying to restart 
Jun 18 04:32:41 rimu monit[11583]: 'apache2' stop: /etc/init.d/apache2 
Jun 18 04:32:42 rimu monit[11583]: 'apache2' start: /etc/init.d/apache2

check process nginx with pidfile /var/run/nginx.pid
  start program = "/etc/init.d/nginx start"
  stop program = "/etc/init.d/nginx stop"
  if failed port 80 protocol HTTP request / then restart
  if 5 restarts with 5 cycles then timeout

check host arbitrary_name with address real_url
  if failed port 80 proto http then alert