> Greg, I had hplip installed, and when I tried the setup command the
> system replied that I needed to install hplip-gui.
That is definitely not what happened when I did it. Try logging in to a
text console where there is no display, and see if hp-setup will work in
command-line mode. Even if it fails, you might get a more useful error
message this way.
Be sure to run it on the host that has the printer connected to it. Then
you may also need to add the printer on the print client host.
--Greg
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06-10-2011, 08:19 PM
Bill
Fedora 15 Network Printer Problems
On 06/10/2011 04:13 PM, Greg Woods wrote:
> On Fri, 2011-06-10 at 14:56 -0400, Bill wrote:
>
>> Greg, I had hplip installed, and when I tried the setup command the
>> system replied that I needed to install hplip-gui.
>
> That is definitely not what happened when I did it. Try logging in to a
> text console where there is no display, and see if hp-setup will work in
> command-line mode. Even if it fails, you might get a more useful error
> message this way.
>
> Be sure to run it on the host that has the printer connected to it. Then
> you may also need to add the printer on the print client host.
>
> --Greg
>
>
Oh man! I was doing the hplip stuff on the laptop (guest), not the
desktop. Should have known that. I'll try again. Thanks. (..."the print
client host"; is that the laptop - the computer without the printer
connected?)
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Bill
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06-10-2011, 08:28 PM
Aaron Konstam
Fedora 15 Network Printer Problems
On Fri, 2011-06-10 at 15:03 -0400, Bill wrote:
> On 06/10/2011 02:48 PM, Dale Dellutri wrote:
> > Do you mean the firewall on the desktop or the laptop. Both need to allow
> > the cups on the client (laptop) to talk to the cups on the server (desktop).
>
> Both.
>
> > Perhaps you could try opening a browser window on the laptop and
> > going to:
> > http://192.168.2.3:631
> > and the desktop cups server should answer, I think.
>
> I thought the same thing and tried, but the web page is not available.
> Could that indicate a misconfigured firewall somewhere? (I'm really
> getting out of my league when it comes to firewalls and networking. I
> have succeeded in setting the network up, and have even done some
> port-forwarding and tunneling, but do not understand what I have done! I
> just research and follow instructions and try until it works. I'm
> remedial when it comes to this stuff.)
>
> --
> Regards, Bill
I assume that 192.168.2.3 is the localhost. Yes? It is safer to be sure
and open: http://localhost:631. A web page should open if cups is
running.
--
================================================== =====================
"It's like deja vu all over again." -- Yogi Berra
================================================== =====================
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06-10-2011, 08:32 PM
Aaron Konstam
Fedora 15 Network Printer Problems
On Fri, 2011-06-10 at 15:55 -0400, Bill wrote:
> On 06/10/2011 03:11 PM, Dr. Michael J. Chudobiak wrote:
> >> cups is normally configured to listen just on localhost (that is, NOT
> >> through network connections). From /etc/cups/cupsd.conf, you need to
> >> change this line:
> >>
> >> Listen localhost:631
> >>
> >> to:
> >>
> >> Listen localhost:631
> >> Listen 192.168.2.3:631
> >
> > You probably need to mess with this too, in the same file:
> >
> > # Restrict access to the server...
> > <Location />
> > Order allow,deny
> > Allow localhost
> > </Location>
> >
> > - Mike
>
> Dr., there was a third line in cupsd.conf: "Listen
> /var/run/cups/cups.sock"; so I put "Listen 192.168.2.3:631" between the
> two lines already present. Also added "Allow localhost" as recommended.
>
> Having done that, three things have changed: (1) I now get a 403
> Forbidden page when attempting to access the desktop from the laptop via
> the browser, and 2) I noticed that from the cups interface on the
> desktop (the remote machine to which the printer is connected) that
> though the printer was meant to be shared, it isn't. So I modified the
> printer from the administration page (still on the remote machine to
> which the printer is connected) and checked the box to share it, and it
> will not share it. Furthermore, 3) the laptop now detects the printer,
> but when I attempt to print a test page, the job is held with the
> comment that "/usr/lib/cups/backend/ipp failed".
>
> Progress (and thank you very much), but what does the failure message mean?
>
> --
> Regards,
> Bill
Thse lines should be in the file:
Listen localhost:631
Listen /var/run/cups/cups.sock
What third line are you seeing?
--
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================================================== =====================
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> Oh man! I was doing the hplip stuff on the laptop (guest), not the
> desktop. Should have known that. I'll try again. Thanks. (..."the print
> client host"; is that the laptop - the computer without the printer
> connected?)
Yes, that's what I meant. I think if you add the printer on the host
that actually has the printer connected, CUPS will broadcast its
presence on the net, but your firewall on the client host would have to
be open to seeing these broadcasts (they come on UDP port 631). If you
aren't listening to CUPS broadcasts, then you might also have to add the
printer on the client laptop.
--Greg
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06-10-2011, 08:47 PM
Bill
Fedora 15 Network Printer Problems
On 06/10/2011 04:28 PM, Aaron Konstam wrote:
> I assume that 192.168.2.3 is the localhost. Yes? It is safer to be sure
> and open: http://localhost:631. A web page should open if cups is
> running.
192.168.2.3 is the reserved ip of the machine connected to the
modem/router via ethernet cable, and the machine connected to the
printer. 192.168.2.2 is the reserved ip of the laptop connected to the
network via wireless service. Both computers have cups installed, and
both connect to http://localhost:631. However, I can not connect to
http://192.168.2.3:631 from 192.168.2.2.
On 06/10/2011 04:32 PM, Aaron Konstam wrote:
> Thse lines should be in the file:
> Listen localhost:631
> Listen /var/run/cups/cups.sock
>
> What third line are you seeing?
The third line is the one the Dr. recommended I add.
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Bill
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06-10-2011, 08:55 PM
"Clyde E. Kunkel"
Fedora 15 Network Printer Problems
On 06/10/2011 03:55 PM, Bill wrote:
> On 06/10/2011 03:11 PM, Dr. Michael J. Chudobiak wrote:
>>> cups is normally configured to listen just on localhost (that is, NOT
>>> through network connections). From /etc/cups/cupsd.conf, you need to
>>> change this line:
>>>
>>> Listen localhost:631
>>>
>>> to:
>>>
>>> Listen localhost:631
>>> Listen 192.168.2.3:631
>>
>> You probably need to mess with this too, in the same file:
>>
>> # Restrict access to the server...
>> <Location />
>> Order allow,deny
>> Allow localhost
>> </Location>
>>
>> - Mike
>
> Dr., there was a third line in cupsd.conf: "Listen
> /var/run/cups/cups.sock"; so I put "Listen 192.168.2.3:631" between the
> two lines already present. Also added "Allow localhost" as recommended.
>
> Having done that, three things have changed: (1) I now get a 403
> Forbidden page when attempting to access the desktop from the laptop via
> the browser, and 2) I noticed that from the cups interface on the
> desktop (the remote machine to which the printer is connected) that
> though the printer was meant to be shared, it isn't. So I modified the
> printer from the administration page (still on the remote machine to
> which the printer is connected) and checked the box to share it, and it
> will not share it. Furthermore, 3) the laptop now detects the printer,
> but when I attempt to print a test page, the job is held with the
> comment that "/usr/lib/cups/backend/ipp failed".
>
> Progress (and thank you very much), but what does the failure message mean?
>
Is selinux enabled on host and remote? If yes, any AVCs related to cups
or the printer driver?
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06-10-2011, 09:39 PM
Joe Zeff
Fedora 15 Network Printer Problems
On 06/10/2011 12:03 PM, Bill wrote:
> On 06/10/2011 02:48 PM, Dale Dellutri wrote:
>> Do you mean the firewall on the desktop or the laptop. Both need to allow
>> the cups on the client (laptop) to talk to the cups on the server (desktop).
>
> Both.
>
>> Perhaps you could try opening a browser window on the laptop and
>> going to:
>> http://192.168.2.3:631
>> and the desktop cups server should answer, I think.
>
> I thought the same thing and tried, but the web page is not available.
> Could that indicate a misconfigured firewall somewhere? (I'm really
> getting out of my league when it comes to firewalls and networking. I
> have succeeded in setting the network up, and have even done some
> port-forwarding and tunneling, but do not understand what I have done! I
> just research and follow instructions and try until it works. I'm
> remedial when it comes to this stuff.)
>
Oh, of course; it's set for the IP of my computer on my LAN. Change the
IP to 207.0.0.1 (Localhost) and it should work. Not sure why that
happened, but, in my defence, it works for me so I never noticed.
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06-10-2011, 11:09 PM
Javier Perez
Fedora 15 Network Printer Problems
Much easier, use the following command from the command line*cupsctl --share-printers --remote-any
See: http://www.cups.org/documentation.php/doc-1.5/sharing.html
On Fri, Jun 10, 2011 at 2:11 PM, Dr. Michael J. Chudobiak <mjc@avtechpulse.com> wrote:
On 06/10/2011 03:09 PM, Dr. Michael J. Chudobiak wrote:
> On 06/10/2011 03:03 PM, Bill wrote:
>
>>> Perhaps you could try opening a browser window on the laptop and
>>> going to:
>>> * * *http://192.168.2.3:631
>>> and the desktop cups server should answer, I think.
>>
>> I thought the same thing and tried, but the web page is not available.
>
> cups is normally configured to listen just on localhost (that is, NOT
> through network connections). From /etc/cups/cupsd.conf, you need to
> change this line:
>
> Listen localhost:631
>
> to:
>
> Listen localhost:631
> Listen 192.168.2.3:631
You probably need to mess with this too, in the same file:
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------------------------------
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*|O O|* pepebuho@gmail.com
*~~~~ * * Javier Perez
*~~~~* * * * * While the night runs
*~~~~* * * * * toward the day...
* m m** * * Pepebuho watches
* * * * * ** ** from his high perch.
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06-10-2011, 11:36 PM
Bill
Fedora 15 Network Printer Problems
On 06/10/2011 07:09 PM, Javier Perez wrote:
> cupsctl --share-printers --remote-any
That did it, Javier! I can't believe it was that simple. And after
reading the documentation on the cups site until my eyes crossed. Can't
thank all who responded enough. With that solved, it's Miller time.
Belly up; drinks are on me!
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Regards,
Bill
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