[PLUG] monitoring MAGNITUDE of internet activity - how?

[Robert Citek]

Would /proc/net/dev give you the info you are looking for?

$ sudo cat /proc/net/dev
Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed
multicast|bytes    packets errs drop fifo colls carrier compressed
  eth0: 16839226   26454    0    0    0     0          0         0
16903410   27268    0    0    0     0       0          0
  eth1:       0       0    0    0    0     0          0         0
578       7    0    0    0     0       0          0
    lo:       0       0    0    0    0     0          0         0
  0       0    0    0    0     0       0          0

Capture at t0 and t1, parse, diff.

Regards,
- Robert

On Wed, Mar 1, 2017 at 2:33 PM, Richard Owlett <rowlett at cloud85.net> wrote:
> *NOTE BENE*
> Capitalization in subject line semantically important :>
>
> I have significant bandwidth constraints.
> I have been asked to participate in a project requiring significant data
> transfers.
> I wish to run a test case to estimate the connectivity "cost".
> If it is significant, I use Debian Jessie.
> For the test case the source/destination is of secondary importance.
>
> Is there a tool which can be
>   "turned on"  at time t0
>   "turned off" at time t1
> which will report the number of
>    "uploaded"   bytes
>    "downloaded" bytes
> in that interval?
>
> If the tool reports more, no problem -- it will likely be ignored.
> TIA
>
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