Install nmon by entering the following commands in the terminal:
sudo apt update sudo apt install nmon
Description:
performance monitoring tool for Linux
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. . Data is displayed on the screen and updated once every two seconds, using a dumb screen. However, you can easily change this interval to a longer or shorter time period. . The nmon tool can also capture the same data to a text file for later analysis and graphing for reports. The output is in a spreadsheet format (.csv).
Homepage: http://nmon.sourceforge.net
Version: 16g+debian-3
Section: universe/utils