vnstat -l = live mode, show current traffic
vnstat --live
vnstat -tr = shows average traffic, default is 5 seconds. Use a number to change the time. Like this: vnstat -tr 10 <-- this will display average traffic over last 10 seconds
vnstat --traffic
vnstat -t = top 10
vnstat --top10
vnstat -h = show traffic for last 24 hours.
vnstat --hours
vnstat -d = show last days
vnstat --days
vnstat -w = show traffic current & last week
vnstat --weeks
vnstat -m = show traffic last 12 months
vnstat --months
vnstat --cleartop = remove top 10 entries
vnstat -r = reset the stats
vnstat --reset
vnstat -i = show interfaces. vnstat --disable eth0 or vnstat --enable eth0 for en/dis-abling eth0
vnstat -ru = change rate unit. Use 0 for bytes and 1 for bits
vnstat --rateunit