Use nmon Tool To Monitor Linux Systems Performance

nmon is a beutiful tool to monitor linux system performance. It works on Linux, IBM AIX Unix, Power, x86, amd64 and ARM based system such as Raspberry Pi. The nmon command displays and records local system information. The command can run either in interactive or recording mode.

Debian / Ubuntu Linux Install nmon

Type the following apt-get command:

Sample outputs:

A note about RHEL / CentOS Linux user

Compiling Nmon Under RHEL / CentOS / Fedora / Scientific Linux
Grab the source code and makefile using wget command:

You need to install ncurses-devel package, enter:

Rename file, enter:

To compile for RHEL/CentOS v5.x, enter:

Sample outputs:

You can move nmon_x86_rhel52 to /usr/local/sbin, enter:

How do I use nmon?

Simply type the following command:

Sample outputs:

nmon keyboard shortcuts

Sample output from my home server:

The following two tabs change content below.

Tapas Mishra

Sr. Engineer (DevOps)
Loves to work on Opensource products. Having experience on Linux environment. Knowledge on Public cloud services like AWS, Rackspace, DigitalOcean, Linode. Please don't hesitate to give a comment on the posts. Your comments are my strength.

Leave a Reply