A tutorial for installing and using the nmon tool to monitor Linux systems is available on Howtoforge.
Install and Use nmon Tool To Monitor Linux Systems
If you are a Linux system administrator responsible for managing Linux systems, then you need a simple tool to monitor the Linux system resource usage. Nmon is a simple, lightweight, and handy tool that lets you see what’s going on in your server. Nmon provides a simple ncurses interface to display the Linux system resources usage like CPU, memory, network, disks, file system, NFS, top processes, resources, and more. It is a command-line tool so you can easily run it on the remote server via SSH.
This article will show you how to use Nmon to monitor Linux systems.
