Re: problem with PROGRAM

[Greg KH <greg@kroah.com>]

On Wed, Nov 30, 2005 at 05:47:43PM +1100, Aras Vaichas wrote:
> Hi,
> 
> I'm getting udev to work with a usb ethernet device (also Linux based) and 
> Zeroconf.
> 
> What I need to do is run the autoipd daemon on network device usb0 when it 
> appears, and remove autoipd when network device usb0 disappears.
> 
> adding was easy:
> ACTION="add", PHYSDEVDRIVER="usbnet", PROGRAM="/usr/bin/autoipd -i %k"
> 
> My first attempt was to simply killall processes called autoipd. This works 
> OK, but isn't the best method.
> 
> ACTION="remove", PHYSDEVDRIVER="usbnet", PROGRAM="/usr/bin/killall 
> autoipd"
> 
> 
> The second option was to kill only the autoipd process for usb0
> 
> ACTION="remove", PHYSDEVDRIVER="usbnet", PROGRAM="/usr/bin/cat 
> /var/run/autoipd-usb0.pid | /usr/bin/xargs /bin/kill"
> 
> but this doesn't work and I don't know why. Am I allowed to use a pipe in 
> the PROGRAM field?

No, try putting that into a shell script.  That should work properly.

thanks,

greg k-h


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