[cups.general] Have CUPS run wake-on-lan script before printing to shared printer

[Michael Sweet]

On Feb 25, 2011, at 10:47 AM, Dean Hill wrote:

> I have a MacBook (using CUPS) that prints to a shared Windows 7 printer. Sometimes the Windows machine is asleep, and the Mac will just queue up its print requests. I recently created a script to send a wake-on-lan packet to a Windows 7 machine. This wakes up the Windows machine and printing starts. Great, but I think the system can be automated some.
> 
> Is it possible to have CUPS run the wake-on-lan script everytime something is printed?

You can probably set something up using a third-party add-on like Tea4CUPS listed at:

    http://www.cups.org/links.php

At one time we were toying with the idea of adding this as a feature of the socket backend, however it isn't always possible to know which network interface to send the WOL packet to, and it requires the backend to run as root...

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Michael Sweet, Senior Printing System Engineer, PWG Chair