Overview
In this article, we're going to take a look at the System Activity Reporter, also known as the sar
command. This command will help us with seeing a historical view of the performance of our server. You'll see examples of installing it, running it manually, and more. Let's get started!
Prerequisites
Before we do get started, there's a few quick things to mention. If your server is a production server, then I hope you've already installed all available updates. There's already articles within Linode's documentation when it comes to updating packages.
To get started, we'll first need to install the sar
command, which is available in the sysstat
package: