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CUPS: how to auto-cancel failed jobs and resume the printer?
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tassilo80
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PostPosted: Fri Oct 11, 2013 7:14 pm    Post subject: CUPS: how to auto-cancel failed jobs and resume the printer? Reply with quote

Hi all,

I've installed Gentoo GNU/Linux on my father's box. Basically, that's all fine, except that he frequently tries to print something, the job fails for whatever reason, and then it blocks the printer queue and I have to ssh to his machine to cancel all pending jobs and resume the printer.

Is there a way to configure CUPS in such a way that it automatically cancels failed jobs and instantly resumes the printer instead of going into maintenance mode?

Thanks,
Tassilo
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eyoung100
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PostPosted: Fri Oct 11, 2013 7:31 pm    Post subject: Reply with quote

Code:
useradd -G wheel <father's username>
emerge sudo
visudo <--Uncomment Wheel with Password line
emerge gksudo(or kdesudo, depending on DE)
gksudo firefox localhost:631
Password: ****** <-- Father's Password
Empty stalled jobs, restart queue

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tassilo80
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PostPosted: Fri Oct 11, 2013 7:51 pm    Post subject: Reply with quote

eyoung100 wrote:
Code:
useradd -G wheel <father's username>
emerge sudo
visudo <--Uncomment Wheel with Password line
emerge gksudo(or kdesudo, depending on DE)
gksudo firefox localhost:631
Password: ****** <-- Father's Password
Empty stalled jobs, restart queue


Well, I already bookmarked the printer config page in his browser, and the cups admin password is known by the browser anyway. But still if he hasn't done that for a week, he doesn't get it anymore. It certainly doesn't help that he doesn't understand English, so the cups browser interface is just incomprehensible for him.
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eyoung100
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PostPosted: Fri Oct 11, 2013 8:14 pm    Post subject: Reply with quote

Then do it without the Browser:
Code:
sudo /etc/init.d/cupsd restart

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tassilo80
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PostPosted: Fri Oct 11, 2013 8:47 pm    Post subject: Reply with quote

eyoung100 wrote:
Then do it without the Browser:
Code:
sudo /etc/init.d/cupsd restart


Restarting the cups daemon clears the printer queue? I don't think so. At least I can remember clearing pending jobs after he has shut off and later restarted the machine.
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Fitzcarraldo
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PostPosted: Sat Oct 12, 2013 11:17 am    Post subject: Reply with quote

tassilo80 wrote:
Is there a way to configure CUPS in such a way that it automatically cancels failed jobs and instantly resumes the printer instead of going into maintenance mode?

Interesting question. I haven't tried it myself, but I think changing ErrorPolicy in printers.conf might do it. See near the end of the article: cups — fixing cups printer problem: lpd failed.
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