Here’s how to monitor network bandwidth from terminal in Linux Mint / Ubuntu:
1. Issue the following command at the terminal –
sudo apt-get install bmon
2. After the installation is complete, issue the following command at the terminal to monitor network bandwidth –
bmon
3. Use ‘UP’ and ‘DOWN’ keys to select interface and ‘D’ key to toggle the detailed view –
4. Use ‘UP’ and ‘DOWN’ keys to select interface and ‘G’ key to toggle the graphical view –