connection monitoring

[Patrick Paul-Hus]

Hi,

I just setup monit to monitor connection to a website over http by requesting a specific file and checking the content. It seems to work, when I delete the file I receive a notice that the server is down.... but if I put the file back I never receive a message saying that the server is backup... and then if I remove the file again I never receive a message saying that the server is down again unless I restart monit.

Any ideas what that would be? Here's what my configuration looks like:

set daemon 120

set logfile syslog facility log_daemon

set mailserver localhost

set mail-format { from: address@hidden }

# set eventqueue

#     basedir /var/monit  # set the base directory where events will be stored

#     slots 100           # optionaly limit the queue size

set alert address@hidden

#set httpd port 2812 and allow 0.0.0.0/0

#  allow admin:monit

check system localhost

  if loadavg (1min) > 4 then alert

  if loadavg (5min) > 2 then alert

  if memory usage > 75% then alert

  if cpu usage (user) > 70% then alert

  if cpu usage (system) > 30% then alert

  if cpu usage (wait) > 20% then alert

check process nginx with pidfile /opt/nginx/logs/nginx.pid

  if failed url

    http://perspectivesdevie.org/monit/token

    and content != "" for 2 cycles

  then alert

check process mysql with pidfile /var/run/mysqld/mysqld.pid

check process postgresql with pidfile /var/run/postgresql/8.4-main.pid

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