On Monday 10 of August 2015 22:34:24 andre_debian@... wrote:
> Hello,
>
> # apt-cache search tdm-trinity
> No answer...
>
> # apt-get install tdm-trinity
> Impossible de trouver le paquet tdm-trinity
> (imposible to find trinity package)
>
> What happens ?
>
> Thank-you.
>
> André
>

Try first apt-get update

If the result does not change, add information about which version of Trinity 
and distribution you use.

-- 
Slávek