>>>> > I'm using ifconfig to monitor how much data I'm using, but it seems
>>>> > pretty high. Is there a simple way to see why I'm using so much data?
>>>>
>>>> $ eix ^ntop
>>>> [I] net-analyzer/ntop
>>>> Available versions: 3.3.9-r2 ~3.3.10-r1 {ipv6 ssl tcpd}
>>>> Installed versions: 3.3.9-r2(14:11:46 06/25/09)(ssl tcpd -ipv6)
>>>> Homepage: http://www.ntop.org/ntop.html
>>>> Description: Network traffic analyzer with web interface
>>>>
>>>> $
>>>
>>> Also iftop and lsof with some clever regex-ing if you want to see what
>>> program
>>> drives the connection.
>>
>> nethogs will show active network activity
>
> Oops, I somehow sent that while composing. I was saying, nethogs will
> show active network activity by program, so you can see who is using
> network data at that moment, in a top-like fashion. Not a "how much
> has it used total", but a "how much is it using right now". Here's an
> example:
>
> NetHogs version 0.7.0
>
> PID USER PROGRAM DEV SENT RECEIVED
> 29641 root git wlan0 0.929 0.649
> KB/sec
> 29620 root /usr/bin/svn wlan0 0.187 0.269
> KB/sec
> 29509 paul sshd: p...@pts/1 wlan0 0.883 0.136
> KB/sec
> 29612 root git wlan0 0.119 0.131
> KB/sec
> 29591 root /usr/bin/python wlan0 0.000 0.000
> KB/sec
> 0 root unknown TCP 0.000 0.000
> KB/sec
>
> TOTAL 2.118 1.185
> KB/sec
That's a great tool. I couldn't get it to work with ppp0 until I
emerged the ~amd64 version.
- Grant