Collectd is an easy way of monitoring servers (CPU, memory, network, etc) and using the threshold and the notification plugin we can get notifications via email if some of them hit a threshold.
The only problem is that collectd doesn’t provide a summary of the current status (like, for instance, Jenkins does), that’s why we built our own summary system.
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Quick introduction to thresholds and notifications
Collectd provides a plugin called threshold to monitor and dispatch notifications, looking at the values reported by collectd like CPU, memory, etc.
Follow this guide to learn more about thresholds.
The notify_email plugin will send emails to an address of your choice everytime a threshold is reached. More info here.
Read thresholds from the log
If you are using both of the plugins,
the notification will record every threshold in the
We are building a bash script that parses that log periodically and generates a json file like this one:
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Showing the information in the web