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The DevOps 2.2 Toolkit by Viktor Farcic

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Alerting Humans

While Prometheus alerts are great by themselves, they are not very useful unless you're planning to spend all your time in front of the alerts screen. There are much better things to stare. For example, you can watch Netflix instead. It is much more entertaining than watching Prometheus screen. However, before you start watching Netflix during your working hours, we need to find a way so that you do get notified when an alert is fired.

Before we proceed, I must stress that alerts to humans (operators and sysadmins) are the last resort. We should receive them only if the system was not capable of fixing the problem. However, in the beginning, we do not have a self-healing system. The approach we'll take is to send each alert ...

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