sar（System Activity Reporter，系统活动情况报告）是Linux下系统运行状态统计工具，可从多方面对系统的活动进行报告，包括 ...

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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 ...