Difference between revisions of "Monit"

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[[wikipedia:Monit|Monit]] is a free, open-source process supervision tool for Unix and Linux. Monit can restart a process automatically if process dies or monitor process characteristics, such as memory or cpu cycles and alert or execute and action. Monit only support [[alert messages]] by emailt<ref>https://mmonit.com/monit/documentation/monit.html#ALERT-MESSAGES</ref>.
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[[wikipedia:Monit|Monit]] ([https://linux.die.net/man/1/monit man]) is a free, open-source process supervision tool for Unix and Linux. Monit can restart a process automatically if process dies or monitor [[process]] characteristics, such as memory or cpu cycles and alert or execute and action. Monit only support [[alert messages]] by email<ref>https://mmonit.com/monit/documentation/monit.html#ALERT-MESSAGES</ref>.
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Monit support monitoring [[cpu]], [[memory]], [[swap]] usage and [[loadavg]] among others.
  
 
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== Installation ==
 
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* Installation [[macOS]]: <code>[[brew install monit]]</code>
* Installation [[macOS]]: <code>brew install monit</code>
 
 
* Linux: <code>[[apt install monit]]</code>
 
* Linux: <code>[[apt install monit]]</code>
 
* Access: http://localhost:2812/  (admin/monit)
 
* Access: http://localhost:2812/  (admin/monit)
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* Logs: <code>/var/log/[[monit.log]]</code>
 
* Logs: <code>/var/log/[[monit.log]]</code>
 
* Command: <code>[[monit status]]</code>
 
* Command: <code>[[monit status]]</code>
* Restart Monit service: <code>systemctl restart monit.service</code>
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* Restart Monit service: <code>systemctl restart monit.service && systemctl status monit</code>
 
 
  
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== Example ==
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<code>[[/etc/monit/monitrc]]</code>
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#  check system $HOST
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#    if [[loadavg]] (1min) per core > 2 for 5 cycles then alert
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#    if loadavg (5min) per core > 1.5 for 10 cycles then alert
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#    if cpu usage > 95% for 10 cycles then alert
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#    if memory usage > 75% then alert
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#    if [[swap]] usage > 25% then alert
  
 
== Related commands ==
 
== Related commands ==
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== See also ==
 
== See also ==
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* {{monit}}
 
* {{Monitoring software}}
 
* {{Monitoring software}}
 
* {{monitoring}}
 
* {{monitoring}}

Latest revision as of 05:38, 14 June 2024

Monit (man) is a free, open-source process supervision tool for Unix and Linux. Monit can restart a process automatically if process dies or monitor process characteristics, such as memory or cpu cycles and alert or execute and action. Monit only support alert messages by email[1]. Monit support monitoring cpu, memory, swap usage and loadavg among others.

Installation[edit]


set daemon 120 By default configured to check services every 120 seconds
Review examples: https://mmonit.com/wiki/Monit/ConfigurationExamples
  • Logs: /var/log/monit.log
  • Command: monit status
  • Restart Monit service: systemctl restart monit.service && systemctl status monit

Example[edit]

/etc/monit/monitrc

#  check system $HOST
#    if loadavg (1min) per core > 2 for 5 cycles then alert
#    if loadavg (5min) per core > 1.5 for 10 cycles then alert
#    if cpu usage > 95% for 10 cycles then alert
#    if memory usage > 75% then alert
#    if swap usage > 25% then alert

Related commands[edit]

See also[edit]

  • https://mmonit.com/monit/documentation/monit.html#ALERT-MESSAGES
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