#monitoring #linux #htop #raspberry-pi #cli-tool #system-information #cli

bin+lib feo

Simple system monitoring CLI tool for Linux, with GPU temperature monitor for Raspberry Pi

6 releases

0.1.5 May 13, 2023
0.1.4 Dec 16, 2022
0.1.3 Sep 29, 2022
0.1.2 Aug 7, 2022
0.1.1 May 24, 2022

#148 in Visualization


359 lines


FeO is a very simple system monitoring CLI tool for Linux systems written in Rust.

Demo GIF of FeO running.

Demo GIF using the standard settings.

FeO monitors the CPU temperature, CPU load, RAM and swap usage, and uptime. GPU temperature monitoring available for Raspberry Pi. FeO is inspired by the process monitoring tool htop, and named after a part of the chemical formulas for rust, with the bonus of FeO meaning ugly in Spanish.

For information regarding commands, like setting color scheme, update-delay and GPU temperature monitoring, run

feo -h


FeO can be installed via cargo, with

cargo install feo


FeO uses the crates sinfo, termion, clap and rounded-div.


The crate sinfo is used to read info from Linux systems and is located in /sinfo.


FeO is dual-licensed under either

at your option.


~40K SLoC