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 ...

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 ...

Monitoring system performance with sar is as easy as enabling the sar tasks. While sar is bundled into many versions of Unix, it’s often disabled until you take steps to get it running. To find out ...

When your Linux server starts feeling sluggish, you might benefit from looking at your swap space and gauging whether it’s adequately sized for your system’s workload. Fortunately, Linux has some ...

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 ...