Questions tagged [iftop]

How to tell the tool iftop to print once a snapshot of active connections without cycling while in text mode? iftop -t -i eth2

I tried to make iftop execute for 80000 seconds and output to a file: sudo iftop -i wlan0 -s 80000 -t > "$file" However all I can find in the file is Listening on wlan0 without the actual output. When I remove the -s 80000, then it works fine. Why…