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 | + | [[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>. |
| + | Monit support monitoring [[cpu]], [[memory]], [[swap]] usage and [[loadavg]] among others. | ||
| − | + | == Installation == | |
| − | + | * Installation [[macOS]]: <code>[[brew install monit]]</code> | |
| − | * Installation [[macOS]]: <code>brew install monit</code> | + | * Linux: <code>[[apt install monit]]</code> |
* Access: http://localhost:2812/ (admin/monit) | * Access: http://localhost:2812/ (admin/monit) | ||
| − | * Config file: <code>/etc/monit/ | + | * Config file: <code>[[/etc/monit/monitrc]]</code> (<code>[[monit -t]]</code>) to verify configuration file |
::<code>set daemon 120</code> By default configured to check services every 120 seconds | ::<code>set daemon 120</code> By default configured to check services every 120 seconds | ||
:: Review examples: https://mmonit.com/wiki/Monit/ConfigurationExamples | :: Review examples: https://mmonit.com/wiki/Monit/ConfigurationExamples | ||
* 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> | + | * Restart Monit service: <code>systemctl restart monit.service && systemctl status monit</code> |
| − | |||
| + | == Example == | ||
| + | <code>[[/etc/monit/monitrc]]</code> | ||
| + | # 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 == | == Related commands == | ||
| Line 22: | Line 30: | ||
== See also == | == See also == | ||
| + | * {{monit}} | ||
* {{Monitoring software}} | * {{Monitoring software}} | ||
| + | * {{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]
- Installation macOS:
brew install monit - Linux:
apt install monit - Access: http://localhost:2812/ (admin/monit)
- Config file:
/etc/monit/monitrc(monit -t) to verify configuration file
set daemon 120By 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]
# 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]
- monit,
monit -t, monit status, /etc/monit/monitrc - Monitoring: Prometheus, Cacti, monit, munin, RRDtool, Zabbix, Netdata, Nagios, Check MK, Icinga, Pingdom, OpsGenie and Datadog, Opsgenie, PRTG, Checkmk
- Monitoring: On call, Monitoring software, Monitoring services, Resource monitoring, Metric colletion tools, network monitoring, SLA Management Monitoring Tools, Alarm/Alert, Resource starvation, Alerts and notifications, Monitoring Kubernetes, VictoriaMetrics, Sensu, LogicMonitor, Distributed tracing, Datadog Monitors
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