Monitoring

Here are some useful shell commands to monitor or get information about CPU, GPU, Memory, Network, Storage, etc.

CPU

• lscpu - Display information about CPU architecture

• /proc/stat - CPU Usage for each CPU

• ps - CPU Usage by processes

• htop - Similar to ps

• top - Similar to ps

GPU

Assuming the use of an nvidia driver

• nvidia-smi - Information about GPU Driver including gpu and memory utilisation and processes

• glxinfo - Diagnose 3D acceleration setup

Memory

• free - Monitor system's memory and SWAP usage.

• ps - Mem usage by processes

Storage

• [df](https://en.wikipedia.org/wiki/Df_(Unix)) - Display available disk space

Network

• ifconfig - IP address for each network interface

• ip addr - Similar to ifconfig

• nethogs - Monitor rx/tx of each process
• /sys/class/net/ - Gather info about each interface (eg, total rx/tx)

I have made use of these commands in my custom AwesomeWM widgets here.