installing NS 2 on ubuntu

[Colin Law]

On 19 September 2011 14:53, Leila M <mech.loulou at gmail.com> wrote:
> Hi,
> i'm new in using ubuntu; i'm trying to install Network Simulator NS 2 but
> each time I get the following error when trying to execute the following
> command:
> sudo apt-get install build-essential
> E: couldn't find packet build-essential

Did you copy/paste that out of the terminal?  If not could you repeat
the command and copy/paste the complete command and result here
please.

Colin