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 ...