Viewing historical resource usage with SAR

The tools that we have looked at so far are fantastic to analyze problems that are present now; but what about when you need to look at issues that occurred in the past? For that you can use the System Activity Report (SAR) tool. Using the sar tool, you will be able to look back over a period of time and see how the server has been running.

This recipe will demonstrate how to install and use the sysstat tools; thus, allowing you to examine historical system statistics.

Getting ready

For this recipe, you will need either a Debian or Red Hat based server.

How to do it…

Let's take a look at how to install and use sysstat, also allowing you to examine historical SAR:

  1. Install the sysstat package using the following ...

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