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• Everything Must Go

  Every sys admin has a few favorite tools that they always carry with them, if only because they do not want to be without these often overlooked treasures. The gems dangling from Charly's key ring include Dstat, NetHogs, and nload.

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• System Diagnosis Tools

  To check on the health of a Linux system, administrators can turn to vmstat, iostat, netstat, and ifstat. Or, you can just use the versatile dstat, which combines the features of several tools in a single package.

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• Stat-like Tools for Admins

  ASCII tools can be life savers when they provide the only access you have to a misbehaving server. However, once you're on the node what do you do? In this article, we look at stat-like tools: vmstat, dstat, and mpstat.

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• Charly's Column – Searx

  It goes against the economic rationale to assume that commercial search engines have the best interests of users at heart when it comes to data protection and use. Sys admin Charly has found an alternative.

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• Nmon

  Administrators often assume that if all nodes are functioning, the system is fine. However, a common problem is poor or unexpected application performance. In this case, you need a simple tool to help you understand what's happening on the nodes: nmon.

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