Tool to show total traffic over NIC

[Amedee Van Gasse]

On Mon, March 7, 2011 12:58, Oliver Marshall wrote:
> Hi,
>
> Can anyone recommend a simple tool we can use to show the total data
> transferred (in and out) over the NIC in our Ubuntu server for the last 30
> days, or really the last day is fine (we can x 30) ?
>
> We are moving it to a data centre and need an idea of the transfer amount
> to purchase.

vnstat should be your primary weapon of choice if you seek a simple tool.
More info:

sudo aptitude install vnstat && man vnstat