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@faure.ca wrote:
Hello Frédéric,
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 Frédéric Perrin fred@fperrin.net:
Hello Philippe,
On 22/11/2015 14:35, philippe@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.
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