[CentOS] /dev/null permission changes figured out

[Joe Pruett]

On Thu, 16 Dec 2010, Benjamin Franz wrote:

> The man page for lastb says if you just complete delete /var/log/btmp
> the system shouldn't recreate it on its own.
>
> That is the simplest answer.

i have done this for now, but the initscripts rpm will recreate it for me 
if it updates (how helpful :-).  i should probably whine upstream that 
nothing rotates the btmp file.