The sar command, native to Solaris and often installed on Linux systems via the sysstat package, is extremely useful in analyzing current and recent system performance. On the other hand, if you would ...

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 ...

As someone who's been working as a system administrator for a number of years, it's easy to take tools for granted that I've used for a long time and assume everyone has heard of them. Of course, new ...

ITworld.com – The sar utility, if turned on and configured to run under the default settings, provides quite a bit of performance data at virtually no cost. The sar commands that run via cron are run ...