What is nmon?
nmon is a systems administrator, tuner, benchmark tool. It can display the CPU, memory, network, disks (mini graphs or numbers), file systems, NFS, top processes, resources (Linux version & processors) and on Power micro-partition information. -https://packages.debian.org/bullseye/nmon
Installation
- Log into the Linux device
- Run the following commands in a terminal window:
# update software repositories
sudo apt update
# install software updates
sudo apt upgrade -y
# install nmon
sudo apt install nmon -y
# launch nmon
nmon - Use the different keyboard shortcuts to show/hide various monitors
c = CPU monitor
m = memory monitor
d = disk monitor
n = network monitor
t = process monitor
+ = slower update interval
- = faster update interval