[CentOS] How do I Install and activate?

Mon Jun 27 08:58:28 UTC 2011
Nicolas Thierry-Mieg <Nicolas.Thierry-Mieg at imag.fr>

John J. Boyer wrote:
> I have just installed CentOS 5.6 from disk and updated it.
>
> 1. I would like to use telnet on my local network. How do I activate it?

man telnet
if it's not installed: man yum
if you want the telnet server: man yum


> 2. How do I install Mercurial? it is not in the repository.

it's in rpmforge/repoforge

> 3. How do I install eclipse? It is also not in the repository.

yes it is
man yum