Stopping the kernel's internal screen blank

Jeff Vian jvian10 at charter.net
Sun Jan 23 06:51:08 UTC 2005


On Sat, 2005-01-22 at 23:41 -0600, Robert Nichols wrote:
> What is the correct way to turn off the kernel's screen blanking?  This
> is part of the VT driver and is totally independent of the X Window
> System's screen blanking and screensaver, so don't tell me about "xset
> dpms off" or the various xscreensaver options.  The only way I've found
> to turn off the kernel's blanking is to log in on a virtual console and
> run "setterm -powersave off".  If I forget to turn it off, the kernel
> will shut off my monitor while I'm actively working because the VT
> driver is unaware of keyboard and mouse acrivity that occurs in an X
> Window session.
> 
> Short of patching the kernel to disable that feature, is there a way to
> disable it automatically when X is running?  It would be nice to leave
> it active when X is not running, but I'd be happy just to get rid of it.
> 
Although it seems a bit of a hack, you could put the setterm line
in /etc/rc.d/rc.local and it should do what you want. 

> -- 
> Bob Nichols         rnichols42 at comcast.net
> 




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