$ curl cheat.sh/
# iftop
# Show bandwidth usage on an interface by host.
# More information: <https://manned.org/iftop>.

# Show the bandwidth usage:
sudo iftop

# Show the bandwidth usage of a given interface:
sudo iftop -i interface

# Show the bandwidth usage with port information:
sudo iftop -P

# Do not show bar graphs of traffic:
sudo iftop -b

# Do not look up hostnames:
sudo iftop -n

# Get help about interactive commands:
?

$
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