A question about hosts files

[EleGoS]

Guus Sliepen ha scritto:
> On Tue, Feb 06, 2007 at 11:46:35AM +0100, EleGoS wrote:
>
>   
>> Sorry for 'upping' this reply, but I was interested in one thing: about 
>> the HUP signal on linux... As far as I know tincd will restart, so all 
>> clients will be disconnected by the server, or not? If yes, is there a 
>> way to reload tinc.conf without killing the process?
>>     
>
> No, the HUP signal will not restart tinc, it will reread tinc.conf,
> create new connections if you added ConnectTo statements, and it will
> close connections to hosts if you removed their host config file. For
> some changes (like changing the Mode or the Name), a HUP is not enough,
> you need to restart tinc completely then.
>   

And a stupid question as I'm really new to linux world: how to give this 
signal?

Thanks ^^