In software observability, we often talk about three signal types - metrics, logs, and distributed traces. More recently I've been hearing about profiles as another signal type. In this article I will explain the different observability signals and when to use them in a clear and concise way.

Automatic instrumentation is great, but to get the most out of your monitoring you often need to instrument your code. In this article I am going to explain how to instrument a Node.js express app with custom metrics using the Prometheus prom-client package. Although this article specifically addresses Node.js and express, my hope is that the general concepts are applicable to other languages too.

Get a guided tour on advanced Oracle monitoring based on Microsoft System Center Operations Manager.

From industrial business applications to finance and supercomputers, AIX runs the most demanding mission-critical workloads smoothly. AIX, IBM’s Advanced Interactive eXecutive, is a highly secure and reliable OS, which is why performance- and dependability-driven industries use AIX for their enterprise servers. In fact, the majority of Fortune 500 health care, telecommunications, energy, and financial companies run on AIX.