radio off guarantee?

[Dan Williams]

On Tue, 2007-09-18 at 18:52 +0200, linaccess at yokoy.de wrote:
> moin,
> 
> On Tue, 18 Sep 2007 14:42:51 +1000
> James Cameron <quozl at laptop.org> wrote:
> 
> > > Do we need a solid way to turn off the RF before it's OK to use an XO
> > > on an airplane?
> > 
> > Our target market usually won't have this problem.
> 
> Yes, but the developers need a solid way to switch of the RF. The Test XO target market are developers and sometimes they travel by air.
> 
> Javier wrote:
> # killall NetworkManager
> # iwpriv eth0 radiooff
> 
> How could we ensure not bringing up the RF at boot time? Which file takes care of this at fedora systems?

Add a hardware killswitch if you want to be 100% sure.  There is no
single file that "takes care of this" on any system really.  But if you
remove the kernel modules, firmware will not get uploaded to the card,
and therefore the radio will essentially do nothing AFAIK.

Dan