Re: [gentoo-user] Monitoring data usage

[Grant <emailgrant@gmail.com>]

>>>> > 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: paul@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