Introducing the Linux system and network monitoring tools

In the final section of our chapter, we are going to present a number of very useful tools to monitor both systems and networks for our CentOS 7 server.

We will start by showing some system monitoring tools. We believe that most of these tools need the EPEL repository installed, so we can just install it before trying to install any of those tools:

$ sudo yum install epel-release

The first tool that we are going to talk about is Htop. It is kind of the same as the old top command, but it has a very user-friendly interface, wherein it is much more interactive with many shortcuts, a graphical colored presentation of the process, and the CPU, Memory, and SWAP Memory in a bar shaped way, to show how much of those are used. To install Htop, we just need to use Yum:

$ sudo yum install htop

And to run it, we simply need to type htop. There is no configuration needed:

$ htop

We should see this kind of interface:

The second system-monitoring...