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I noticed from the InfoPanel screenlet that my computer downloading something at high speed. I was not downloading anything and I already ran apt-get upgrade so there was no apparent reason for my comp to download something. I tried to run some well known network checking commands but they didn't help much since they don't list connections by speed rate:

netstat -A inet -p | grep '^tcp' | grep '/' | sed 's_.*/__' | sort | uniq

ss -tp | grep -v Recv-Q | sed -e 's/.*users:(("//' -e 's/".*$//' | sort | uniq

Is there any tool you know that lists connections by speed rate like command top does ?

kenn
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    `nethogs` was the best one --- but it is not working in my system now. Hmm.... – Rmano Mar 12 '16 at 19:05
  • Ah, ok: http://askubuntu.com/questions/726601/nethogs-%E2%86%92-creating-socket-failed-while-establishing-local-ip-are-you-root (this site is just incredible) – Rmano Mar 12 '16 at 19:07
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    Possible duplicate of [How do I find out which process is eating up my bandwidth?](http://askubuntu.com/questions/2411/how-do-i-find-out-which-process-is-eating-up-my-bandwidth) – muru Mar 12 '16 at 19:31
  • `nethogs` seems to be what I want. It's pity that we have no alternatives. – kenn Mar 12 '16 at 21:13

1 Answers1

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I think that the best tool is nethogs.

Unfortunately, the version available in Ubuntu 14.04 is broken, so you have to compile it yourself: See Nethogs → creating socket failed while establishing local IP - are you root?.

After that, just run: 

sudo nethogs wlan0

where wlan0 is the name of the interface you want to monitor.

example of nethogs running

Use q to exit.

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Rmano
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