From philippe at faure.ca  Sun Nov 22 14:35:57 2015
From: philippe at faure.ca (philippe at faure.ca)
Date: Sun, 22 Nov 2015 09:35:57 -0500
Subject: [Iftop-users] Simple text output
Message-ID: <20151122143557.6246486.30079.28042@faure.ca>

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From fred at fperrin.net  Sun Nov 22 20:05:17 2015
From: fred at fperrin.net (=?UTF-8?B?RnLDqWTDqXJpYyBQZXJyaW4=?=)
Date: Sun, 22 Nov 2015 20:05:17 +0000
Subject: [Iftop-users] Simple text output
In-Reply-To: <20151122143557.6246486.30079.28042@faure.ca>
References: <20151122143557.6246486.30079.28042@faure.ca>
Message-ID: <56521FFD.3090809@fperrin.net>

Hello Philippe,

On 22/11/2015 14:35, philippe at faure.ca wrote:
> Hello,
>
> I am looking to find a way to record data usage from a specific device
> on my network. Ideally the out out would be a text file with the total
> usage. Is there a way to have iftop run in the background and have it
> update a file.

Does the -t option to iftop do what you want? You would redirect the
output to a log file or pipe it to a script.

> If not, is there another utility that people know about the might be
> able to help me?

Another solution if you're trying to do traffic accounting is something 
like net-acct. On a students' network, we used to log something like
(timestamp, source IP & port, destination IP & port, volume), and then
use this to hunt bandwidth hogs.

Cheers,
Fred.



From apo at gambaru.de  Sun Nov 22 20:42:02 2015
From: apo at gambaru.de (Markus Koschany)
Date: Sun, 22 Nov 2015 21:42:02 +0100
Subject: [Iftop-users] Simple text output
In-Reply-To: <20151122143557.6246486.30079.28042@faure.ca>
References: <20151122143557.6246486.30079.28042@faure.ca>
Message-ID: <5652289A.2050309@gambaru.de>

Am 22.11.2015 um 15:35 schrieb philippe at faure.ca:
> 
> Hello,
> 
> I am looking to find a way to record data usage from a specific device
> on my network. Ideally the out out would be a text file with the total
> usage. Is there a way to have iftop run in the background and have it
> update a file.
> 
> If not, is there another utility that people know about the might be
> able to help me?

there is also vnstat which logs accumulated traffic even on multiple
interfaces.

http://humdi.net/vnstat/

Regards,

Markus


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From philippe at faure.ca  Sun Nov 22 23:55:01 2015
From: philippe at faure.ca (Philippe Faure)
Date: Sun, 22 Nov 2015 18:55:01 -0500
Subject: [Iftop-users] Simple text output
In-Reply-To: <5652289A.2050309@gambaru.de>
References: <20151122143557.6246486.30079.28042@faure.ca>
 <5652289A.2050309@gambaru.de>
Message-ID: <20151122185501.Horde.WQK4XoxBidK-zFe_StFuOw1@mail.faure.ca>

Thank you for your suggestion,

Unfortunately, vnstat doesn't have the provision (or at least I  
couldn't find it) to be able to limit the logging to 1 device.  I am  
running iftop on a server and want to monitor 1 device on the network.

Philippe


Quoting Markus Koschany <apo at gambaru.de>:

> Am 22.11.2015 um 15:35 schrieb philippe at faure.ca:
>>
>> Hello,
>>
>> I am looking to find a way to record data usage from a specific device
>> on my network. Ideally the out out would be a text file with the total
>> usage. Is there a way to have iftop run in the background and have it
>> update a file.
>>
>> If not, is there another utility that people know about the might be
>> able to help me?
>
> there is also vnstat which logs accumulated traffic even on multiple
> interfaces.
>
> http://humdi.net/vnstat/
>
> Regards,
>
> Markus





From philippe at faure.ca  Mon Nov 23 01:49:39 2015
From: philippe at faure.ca (Philippe Faure)
Date: Sun, 22 Nov 2015 20:49:39 -0500
Subject: [Iftop-users] Simple text output
In-Reply-To: <56521FFD.3090809@fperrin.net>
References: <20151122143557.6246486.30079.28042@faure.ca>
 <56521FFD.3090809@fperrin.net>
Message-ID: <20151122204939.Horde.ka0mJYjAEVqrOcA5SUvTvQ1@mail.faure.ca>

Hello Fr?d?ric,

I had a look at iftop and the -t option doesn't exist. Well at least  
in the version that I have installed.

I am running Ubuntu 14.04 LTS.  Which is limited to iftop 1.0~pre2.5.

Once I have first figured out how to update to the newer version of  
iftop without changing from the current LTS configuration, I will give  
the "-t" option a try.

Thank you

Philippe




Quoting Fr?d?ric Perrin <fred at fperrin.net>:

> Hello Philippe,
>
> On 22/11/2015 14:35, philippe at faure.ca wrote:
>> Hello,
>>
>> I am looking to find a way to record data usage from a specific device
>> on my network. Ideally the out out would be a text file with the total
>> usage. Is there a way to have iftop run in the background and have it
>> update a file.
>
> Does the -t option to iftop do what you want? You would redirect the
> output to a log file or pipe it to a script.
>
>> If not, is there another utility that people know about the might be
>> able to help me?
>
> Another solution if you're trying to do traffic accounting is  
> something like net-acct. On a students' network, we used to log  
> something like
> (timestamp, source IP & port, destination IP & port, volume), and then
> use this to hunt bandwidth hogs.
>
> Cheers,
> Fred.





From andywolin at gmail.com  Mon Nov 23 05:26:22 2015
From: andywolin at gmail.com (Andy Wolin)
Date: Sun, 22 Nov 2015 22:26:22 -0700
Subject: [Iftop-users] Simple text output
In-Reply-To: <20151122204939.Horde.ka0mJYjAEVqrOcA5SUvTvQ1@mail.faure.ca>
References: <20151122143557.6246486.30079.28042@faure.ca>
 <56521FFD.3090809@fperrin.net>
 <20151122204939.Horde.ka0mJYjAEVqrOcA5SUvTvQ1@mail.faure.ca>
Message-ID: <CABfA-bWAEs7+QPiY-nadAz2ZHt6SzBsyWUybSbOBtkJ6KafvDQ@mail.gmail.com>

Also take a look at 'bandwidth monitor next generation'.  It is a similar
command line tool that can log to a file or stdout.  I used it to make
plots of large downloads to benchmark various wireless router
configurations.

https://www.gropp.org/?id=projects&sub=bwm-ng

Thanks,
Andy


On Sun, Nov 22, 2015 at 6:49 PM, Philippe Faure <philippe at faure.ca> wrote:

> Hello Fr?d?ric,
>
> I had a look at iftop and the -t option doesn't exist. Well at least in
> the version that I have installed.
>
> I am running Ubuntu 14.04 LTS.  Which is limited to iftop 1.0~pre2.5.
>
> Once I have first figured out how to update to the newer version of iftop
> without changing from the current LTS configuration, I will give the "-t"
> option a try.
>
> Thank you
>
> Philippe
>
>
>
>
>
> Quoting Fr?d?ric Perrin <fred at fperrin.net>:
>
> Hello Philippe,
>>
>> On 22/11/2015 14:35, philippe at faure.ca wrote:
>>
>>> Hello,
>>>
>>> I am looking to find a way to record data usage from a specific device
>>> on my network. Ideally the out out would be a text file with the total
>>> usage. Is there a way to have iftop run in the background and have it
>>> update a file.
>>>
>>
>> Does the -t option to iftop do what you want? You would redirect the
>> output to a log file or pipe it to a script.
>>
>> If not, is there another utility that people know about the might be
>>> able to help me?
>>>
>>
>> Another solution if you're trying to do traffic accounting is something
>> like net-acct. On a students' network, we used to log something like
>> (timestamp, source IP & port, destination IP & port, volume), and then
>> use this to hunt bandwidth hogs.
>>
>> Cheers,
>> Fred.
>>
>
>
>
>
> _______________________________________________
> iftop-users mailing list
> iftop-users at lists.beasts.org
> http://lists.beasts.org/mailman/listinfo/iftop-users
>
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From fred at fperrin.net  Mon Nov 23 16:50:32 2015
From: fred at fperrin.net (=?utf-8?Q?Fr=C3=A9d=C3=A9ric_Perrin?=)
Date: Mon, 23 Nov 2015 16:50:32 +0000
Subject: [Iftop-users] Simple text output
In-Reply-To: <20151122204939.Horde.ka0mJYjAEVqrOcA5SUvTvQ1@mail.faure.ca>
 (Philippe Faure's message of "Sun, 22 Nov 2015 20:49:39 -0500")
References: <20151122143557.6246486.30079.28042@faure.ca>
 <56521FFD.3090809@fperrin.net>
 <20151122204939.Horde.ka0mJYjAEVqrOcA5SUvTvQ1@mail.faure.ca>
Message-ID: <86oaekpsmf.fsf@antre.fperrin.net>

Le lundi 23 ? 1:49, Philippe Faure a ?crit :
> Hello Fr?d?ric,
>
> I had a look at iftop and the -t option doesn't exist. Well at least
> in the version that I have installed.
>
> I am running Ubuntu 14.04 LTS.  Which is limited to iftop 1.0~pre2.5.

Looking at history, indeed the -t option was added sometimes between
1.0pre2 and 1.0pre4. You'll have to install a newer version. Debian has
a 1.0pre4 package, so it would be a matter of recompiling under Ubuntu.

I think if you need scripting, one of the package dedicated to traffic
accounting might be better suited, that will be more robust than iftop.

> Once I have first figured out how to update to the newer version of
> iftop without changing from the current LTS configuration, I will give
> the "-t" option a try.


From philippe at faure.ca  Wed Nov 25 23:47:38 2015
From: philippe at faure.ca (Philippe Faure)
Date: Wed, 25 Nov 2015 18:47:38 -0500
Subject: [Iftop-users] Simple text output
In-Reply-To: <86oaekpsmf.fsf@antre.fperrin.net>
References: <20151122143557.6246486.30079.28042@faure.ca>
 <56521FFD.3090809@fperrin.net>
 <20151122204939.Horde.ka0mJYjAEVqrOcA5SUvTvQ1@mail.faure.ca>
 <86oaekpsmf.fsf@antre.fperrin.net>
Message-ID: <20151125184738.Horde.Uos0BFd-jPzX49Elq6UE2A6@mail.faure.ca>

I did manage to get it to work.  There will be some scripting  
invovled. The issue that I have come across is that most traffic  
accounting packages that I have found seem to look at all data through  
an interface, and don't allow the user to limit the information to a  
single IP address.

I will keep looking though.

Thank you

Philippe

Quoting Fr?d?ric Perrin <fred at fperrin.net>:

> Le lundi 23 ? 1:49, Philippe Faure a ?crit :
>> Hello Fr?d?ric,
>>
>> I had a look at iftop and the -t option doesn't exist. Well at least
>> in the version that I have installed.
>>
>> I am running Ubuntu 14.04 LTS.  Which is limited to iftop 1.0~pre2.5.
>
> Looking at history, indeed the -t option was added sometimes between
> 1.0pre2 and 1.0pre4. You'll have to install a newer version. Debian has
> a 1.0pre4 package, so it would be a matter of recompiling under Ubuntu.
>
> I think if you need scripting, one of the package dedicated to traffic
> accounting might be better suited, that will be more robust than iftop.
>
>> Once I have first figured out how to update to the newer version of
>> iftop without changing from the current LTS configuration, I will give
>> the "-t" option a try.