$ curl cheat.sh/
# vnstati
# PNG image output support for vnStat.
# More information: <https://manned.org/vnstati>.

# Output a summary of the last 2: months, days, and all-time:
vnstati --summary --iface network_interface --output path/to/output.png

# Output the 10 most traffic-intensive days of all time:
vnstati --top10 --iface network_interface --output path/to/output.png

# Output monthly traffic statistics from the last 12 months:
vnstati --months --iface network_interface --output path/to/output.png

# Output hourly traffic statistics from the last 24 hours:
vnstati --hours --iface network_interface --output path/to/output.png

$
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