$ curl cheat.sh/
# vnstat
# A console-based network traffic monitor.
# More information: <https://manned.org/vnstat>.

# Display traffic summary for all interfaces:
vnstat

# Display traffic summary for a specific network interface:
vnstat -i eth0

# Display live stats for a specific network interface:
vnstat -l -i eth0

# Show traffic statistics on an hourly basis for the last 24 hours using a bar graph:
vnstat -hg

# Measure and show average traffic for 30 seconds:
vnstat -tr 30

$
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