The top command not only displays dynamic information about each running process (as well as the necessary information to manage those processes), but also gives you an overview of the machine (such as, how many CPUs are found, and how much RAM and swap space is available). What top does is provide a real-time view of all running systems on a Linux machine. The top command has been around for a very long time and has, for years, been the first tool I turn to when something is amiss. The top command is a great place to start, when you need to monitor what processes are consuming resources. So, let’s take a look at four such tools. But it’s always best to start with open source, and, chances are, you’ll find everything you need to monitor your desktops and servers. I will stick only with tools that are open source, which will exempt some high-quality, proprietary solutions. From this collection of tools, you can gather just about any kind of information you need. I want to introduce you to a few such tools-from command line, to GUI, to full-blown web interfaces (with plenty of bells and whistles). That’s a great question, and one with many answers. What’s going on? How are they performing? Is something afoot? In other words, you need to be able to monitor your Linux machines. Just ask any enterprise business why they use Linux and open source.īut once you’ve deployed those servers and desktops, you need to be able to keep track of them. In fact, it will (in most cases) go well above what most platforms can. One of those reasons which particularly stands out is its flexibility. There are so many reasons why people have adopted the open source operating system. It’s powerful, flexible, stable, secure, user-friendly… the list goes on and on.

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