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306
etc/monit/monitrc
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306
etc/monit/monitrc
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# set polling interval
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set daemon 60
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# default log file
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set logfile /var/log/monit/monit.log
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# mail server configuration
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set mailserver
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localhost
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# set "from" email address
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set mail-format { from: monit@heartb.it }
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# default email address to send alerts to
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set alert serverstatus@heartb.it
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# event queue configuration
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set eventqueue
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basedir /var/monit/queue
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slots 5000
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# web-interface setup
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set httpd port 2812
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allow "admin":"admin"
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# monitor nginx
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check process nginx with pidfile /var/run/nginx.pid
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start = "/etc/init.d/nginx start"
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stop = "/etc/init.d/nginx stop"
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if failed host localhost port 4041 then restart
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if cpu usage > 95% for 3 cycles then restart
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if 5 restarts within 15 cycles then timeout
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group app
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# monitor memcahe
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check process memcache with pidfile /var/run/memcached.pid
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start = "/etc/init.d/memcached start"
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stop = "/etc/init.d/memcached stop"
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if totalmem > 90% for 2 cycles then restart
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if 5 restarts within 15 cycles then timeout
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group app
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# monitor starling
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check process starling with pidfile /var/run/starling.pid
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start = "/etc/init.d/starling start"
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stop = "/etc/init.d/starling stop"
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if cpu usage > 20% for 2 cycles then alert
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if cpu usage > 75% for 2 cycles then restart
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if totalmem > 50% for 2 cycles then restart
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if 5 restarts within 15 cycles then timeout
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group app
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# monitor apache
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# check process apache with pidfile /var/run/apache2.pid
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# start = "/etc/init.d/apache2 start"
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# stop = "/etc/init.d/apache2 stop"
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# if failed host 127.0.0.1 port 81 for 2 cycles then restart
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# if cpu usage > 60% for 2 cycles then alert
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# if cpu usage > 98% for 5 cycles then restart
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# if 5 restarts within 5 cycles then timeout
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# group server
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# monitor main file system
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check device root with path /dev/sda1
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if space usage > 80% for 5 times within 15 cycles then alert
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group server
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# monitor /mnt file system
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check device mnt with path /dev/sda2
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if space usage > 80% for 5 times within 15 cycles then alert
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group server
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###############################################################################
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## Monit control file
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###############################################################################
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##
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## Comments begin with a '#' and extend through the end of the line. Keywords
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## are case insensitive. All path's MUST BE FULLY QUALIFIED, starting with '/'.
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##
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## Below you will find examples of some frequently used statements. For
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## information about the control file, a complete list of statements and
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## options please have a look in the monit manual.
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##
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##
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###############################################################################
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## Global section
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###############################################################################
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##
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## Start monit in the background (run as a daemon) and check services at
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## 2-minute intervals.
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#
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# set daemon 120
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#
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#
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## Set syslog logging with the 'daemon' facility. If the FACILITY option is
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## omitted, monit will use 'user' facility by default. If you want to log to
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## a stand alone log file instead, specify the path to a log file
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#
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# set logfile syslog facility log_daemon
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#
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#
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## Set the list of mail servers for alert delivery. Multiple servers may be
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## specified using comma separator. By default monit uses port 25 - this
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## is possible to override with the PORT option.
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#
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# set mailserver mail.bar.baz, # primary mailserver
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# backup.bar.baz port 10025, # backup mailserver on port 10025
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# localhost # fallback relay
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#
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#
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## By default monit will drop alert events if no mail servers are available.
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## If you want to keep the alerts for a later delivery retry, you can use the
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## EVENTQUEUE statement. The base directory where undelivered alerts will be
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## stored is specified by the BASEDIR option. You can limit the maximal queue
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## size using the SLOTS option (if omitted, the queue is limited by space
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## available in the back end filesystem).
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#
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# set eventqueue
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# basedir /var/monit # set the base directory where events will be stored
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# slots 100 # optionaly limit the queue size
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#
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#
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## Monit by default uses the following alert mail format:
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##
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## --8<--
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## From: monit@$HOST # sender
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## Subject: monit alert -- $EVENT $SERVICE # subject
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##
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## $EVENT Service $SERVICE #
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## #
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## Date: $DATE #
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## Action: $ACTION #
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## Host: $HOST # body
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## Description: $DESCRIPTION #
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## #
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## Your faithful employee, #
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## monit #
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## --8<--
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##
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## You can override this message format or parts of it, such as subject
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## or sender using the MAIL-FORMAT statement. Macros such as $DATE, etc.
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## are expanded at runtime. For example, to override the sender:
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#
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# set mail-format { from: monit@foo.bar }
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#
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#
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## You can set alert recipients here whom will receive alerts if/when a
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## service defined in this file has errors. Alerts may be restricted on
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## events by using a filter as in the second example below.
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#
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# set alert sysadm@foo.bar # receive all alerts
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# set alert manager@foo.bar only on { timeout } # receive just service-
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# # timeout alert
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#
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#
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## Monit has an embedded web server which can be used to view status of
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## services monitored, the current configuration, actual services parameters
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## and manage services from a web interface.
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#
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# set httpd port 2812 and
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# use address localhost # only accept connection from localhost
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# allow localhost # allow localhost to connect to the server and
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# allow admin:monit # require user 'admin' with password 'monit'
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#
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#
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###############################################################################
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## Services
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###############################################################################
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##
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## Check general system resources such as load average, cpu and memory
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## usage. Each test specifies a resource, conditions and the action to be
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## performed should a test fail.
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#
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# check system myhost.mydomain.tld
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# if loadavg (1min) > 4 then alert
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# if loadavg (5min) > 2 then alert
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# if memory usage > 75% then alert
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# if cpu usage (user) > 70% then alert
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# if cpu usage (system) > 30% then alert
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# if cpu usage (wait) > 20% then alert
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#
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#
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## Check a file for existence, checksum, permissions, uid and gid. In addition
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## to alert recipients in the global section, customized alert will be sent to
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## additional recipients by specifying a local alert handler. The service may
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## be grouped using the GROUP option.
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#
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# check file apache_bin with path /usr/local/apache/bin/httpd
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# if failed checksum and
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# expect the sum 8f7f419955cefa0b33a2ba316cba3659 then unmonitor
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# if failed permission 755 then unmonitor
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# if failed uid root then unmonitor
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# if failed gid root then unmonitor
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# alert security@foo.bar on {
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# checksum, permission, uid, gid, unmonitor
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# } with the mail-format { subject: Alarm! }
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# group server
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#
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#
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## Check that a process is running, in this case Apache, and that it respond
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## to HTTP and HTTPS requests. Check its resource usage such as cpu and memory,
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## and number of children. If the process is not running, monit will restart
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## it by default. In case the service was restarted very often and the
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## problem remains, it is possible to disable monitoring using the TIMEOUT
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## statement. This service depends on another service (apache_bin) which
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## is defined above.
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#
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# check process apache with pidfile /usr/local/apache/logs/httpd.pid
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# start program = "/etc/init.d/httpd start"
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# stop program = "/etc/init.d/httpd stop"
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# if cpu > 60% for 2 cycles then alert
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# if cpu > 80% for 5 cycles then restart
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# if totalmem > 200.0 MB for 5 cycles then restart
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# if children > 250 then restart
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# if loadavg(5min) greater than 10 for 8 cycles then stop
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# if failed host www.tildeslash.com port 80 protocol http
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# and request "/monit/doc/next.php"
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# then restart
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# if failed port 443 type tcpssl protocol http
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# with timeout 15 seconds
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# then restart
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# if 3 restarts within 5 cycles then timeout
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# depends on apache_bin
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# group server
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#
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#
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## Check device permissions, uid, gid, space and inode usage. Other services,
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## such as databases, may depend on this resource and an automatically graceful
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## stop may be cascaded to them before the filesystem will become full and data
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## lost.
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#
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# check device datafs with path /dev/sdb1
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# start program = "/bin/mount /data"
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# stop program = "/bin/umount /data"
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# if failed permission 660 then unmonitor
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# if failed uid root then unmonitor
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# if failed gid disk then unmonitor
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# if space usage > 80% for 5 times within 15 cycles then alert
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# if space usage > 99% then stop
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# if inode usage > 30000 then alert
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# if inode usage > 99% then stop
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# group server
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#
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#
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## Check a file's timestamp. In this example, we test if a file is older
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## than 15 minutes and assume something is wrong if its not updated. Also,
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## if the file size exceed a given limit, execute a script
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#
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# check file database with path /data/mydatabase.db
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# if failed permission 700 then alert
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# if failed uid data then alert
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# if failed gid data then alert
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# if timestamp > 15 minutes then alert
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# if size > 100 MB then exec "/my/cleanup/script"
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#
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#
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## Check directory permission, uid and gid. An event is triggered if the
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## directory does not belong to the user with uid 0 and gid 0. In addition,
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## the permissions have to match the octal description of 755 (see chmod(1)).
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#
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# check directory bin with path /bin
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# if failed permission 755 then unmonitor
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# if failed uid 0 then unmonitor
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# if failed gid 0 then unmonitor
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#
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#
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## Check a remote host network services availability using a ping test and
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## check response content from a web server. Up to three pings are sent and
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## connection to a port and a application level network check is performed.
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#
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# check host myserver with address 192.168.1.1
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# if failed icmp type echo count 3 with timeout 3 seconds then alert
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# if failed port 3306 protocol mysql with timeout 15 seconds then alert
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# if failed url
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# http://user:password@www.foo.bar:8080/?querystring
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# and content == 'action="j_security_check"'
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# then alert
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#
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#
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###############################################################################
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## Includes
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###############################################################################
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##
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## It is possible to include additional configuration parts from other files or
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## directories.
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#
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# include /etc/monit.d/*
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#
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#
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