Groups > alt.os.linux.slackware > #34062

Re: Networking problem trying to set up CUPS

From	Peter 'Shaggy' Haywood <phaywood@alphalink.com.au>
Newsgroups	alt.os.linux.slackware
Subject	Re: Networking problem trying to set up CUPS
Date	2023-02-22 13:00 +1100
Organization	A noiseless patient Spider
Message-ID	<fi9gcj-tm1.ln1@jefferson.foo> (permalink)
References	<878rgr530q.fsf@bogus.nodomain.nowhere>

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Groovy hepcat Mike Spencer was jivin' in alt.os.linux.slackware on Tue,
21 Feb 2023 10:29 am. It's a cool scene! Dig it.

> Cups man page says:
> 
>    WHERE DO I BEGIN?
> 
>        The easiest way to start is by using the web interface to
>        configure your printer. Go to "http://localhost:631" and choose
>        the Administration tab at the top of the page.
> 
> Okay, but I want to access that (on enoch, the new 15 install box)
> from bogus, my current 14.2 main machine.  Try http://enoch:631.

  And can you ping enoch? You don't need a FQDN (enoch.private or
enoch.mynet or something like that)?

>    The connection was refused when attempting to contact enoch:631
> 
> I haven't started ip_tables yet so no firewall.
> 
> cupsd is running:
> 
>     enoch% pgrep cupsd
>     1055
> 
> I've tried changing /etc/cups/cupsd.conf and /etc/inetd.conf in
> various ways (and restarting inetd or cupsd after any change) with no
> improvements.
> 
> cupsd.conf:
> 
>    # Only listen for connections from the local machine.
>    Listen localhost:631
>    Listen /var/run/cups/cups.sock
> 
>    # mds -- Also listen for conns from bogus;
>      Listen 192.168.0.15:631

  The only Listen line my cupsd.conf has is the cups.sock one. It also
has a Port line:

Port 631

Does yours have that?

> Using any of ip address (above), hostname (bogus) or *  gives same
> non-result.  Moreover, the cupsd.conf directive to listen doesn't show
> up in lsof:
> 
> enoch-root$ lsof -i:631 -sTCP:LISTEN
> 
> COMMAND  PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
> cupsd   1055 root    5u  IPv6  32275      0t0  TCP localhost:ipp
> (LISTEN)
> cupsd   1055 root    6u  IPv4  32276      0t0  TCP localhost:ipp
> (LISTEN)
> 
> What about inetd?  Adding to /etc/inetd.conf a line like:
> 
>   ipp  stream  tcp  nowait  root   /usr/sbin/tcpd  /usr/sbin/cupsd

  I don't have any reference to cups or printing at all in my
inetd.conf.

> doesn't make any difference.
> 
> It seems I'm trying to do something that can't be done.  Or that needs
> a magic incantation I don't know about.  Can I access cupsd:631 on
> enoch from bogus over the LAN?  Or not?

  Sure you can. I find cups a bit persnickety, though, especially about
network hostnames. When I try to print using my server's hostname in
the client setup, it often doesn't work. But if I use the IP address,
it has a much higher chance of success.
  Yes, I know, you haven't even got to that stage yet. You're still
trying to configure the server itself. But anyhow...
  Still, just now, for a test, I tried accessing my cups server by
hostname with firefox, and it failed with "Bad request". So I tried
again using the IP address instead, and it worked perfectly.

> I have to go make ginger chicken.

  Who's this Ginger? If I see him/her running in terror, I'll know you
were successful.

-- 


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Thread

Networking problem trying to set up CUPS Mike Spencer <mds@bogus.nodomain.nowhere> - 2023-02-20 19:29 -0400
  Re: Networking problem trying to set up CUPS Rich <rich@example.invalid> - 2023-02-21 02:55 +0000
    Re: Networking problem trying to set up CUPS Peter 'Shaggy' Haywood <phaywood@alphalink.com.au> - 2023-02-22 12:32 +1100
      Re: Networking problem trying to set up CUPS Rich <rich@example.invalid> - 2023-02-22 13:28 +0000
  Re: Networking problem trying to set up CUPS Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2023-02-21 06:34 +0000
    Ping Henrik Re: Networking problem trying to set up CUPS Mike Spencer <mds@bogus.nodomain.nowhere> - 2023-03-05 19:14 -0400
      Re: Ping Henrik Re: Networking problem trying to set up CUPS Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2023-03-06 06:54 +0000
        Tnx Re: Ping Henrik Re: Networking problem trying to set up CUPS Mike Spencer <mds@bogus.nodomain.nowhere> - 2023-03-08 01:25 -0400
          Re: Tnx Re: Ping Henrik Re: Networking problem trying to set up CUPS Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2023-03-08 20:48 +0000
            Latex Re: Tnx Re: Ping Henrik Re: Networking problem... Mike Spencer <mds@bogus.nodomain.nowhere> - 2023-03-11 03:24 -0400
              Re: Latex Re: Tnx Re: Ping Henrik Re: Networking problem... Martin Schöön <martin.schoon@gmail.com> - 2023-03-11 09:25 +0000
              Re: Latex Re: Tnx Re: Ping Henrik Re: Networking problem... Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2023-03-11 10:13 +0000
                Re: Latex Re: Tnx Re: Ping Henrik Re: Networking problem... maus <maus@mail.com> - 2023-03-11 11:30 +0000
                Re: Latex Javier <invalid@invalid.invalid> - 2023-03-12 03:52 +0000
                Re: Latex maus <maus@mail.com> - 2023-03-12 08:59 +0000
                Re: Latex Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2023-03-12 11:04 +0000
                Re: Latex Javier <invalid@invalid.invalid> - 2023-03-12 17:10 +0000
                Re: Latex Javier <invalid@invalid.invalid> - 2023-03-12 17:48 +0000
                Re: Latex Martin Schöön <martin.schoon@gmail.com> - 2023-03-12 20:42 +0000
                Re: Latex Javier <invalid@invalid.invalid> - 2023-03-12 21:17 +0000
                Re: Latex Martin Schöön <martin.schoon@gmail.com> - 2023-03-13 20:08 +0000
                Re: Latex Jim Diamond <JimDiamond@ns.sympatico.ca> - 2023-03-13 21:14 -0300
                Re: Latex Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2023-03-15 06:26 +0000
                Re: Latex Jim Diamond <JimDiamond@jdvb.ca> - 2023-03-20 16:05 -0300
                Re: Latex Mike Spencer <mds@bogus.nodomain.nowhere> - 2023-03-13 00:54 -0300
              Re: Latex Re: Tnx Re: Ping Henrik Re: Networking problem... Eric Pozharski <whynot@pozharski.name> - 2023-03-11 14:27 +0000
              Re: Latex Re: Tnx Re: Ping Henrik Re: Networking problem... Jim Diamond <JimDiamond@ns.sympatico.ca> - 2023-03-13 21:21 -0300
  Re: Networking problem trying to set up CUPS John Forkosh <forkosh@panix.com> - 2023-02-21 07:56 +0000
  Re: Networking problem trying to set up CUPS Marco Moock <mo01@posteo.de> - 2023-02-21 14:47 +0100
    Re: Networking problem trying to set up CUPS Javier <invalid@invalid.invalid> - 2023-02-21 21:29 +0000
      Sendmaail (WAS: Re: Networking problem trying to set up CUPS) Mike Spencer <mds@bogus.nodomain.nowhere> - 2023-02-21 19:50 -0400
        Re: Sendmaail (WAS: Re: Networking problem trying to set up CUPS) Grant Taylor <gtaylor@tnetconsulting.net> - 2023-02-21 21:27 -0700
  Re: Networking problem trying to set up CUPS Javier <invalid@invalid.invalid> - 2023-02-21 21:19 +0000
  Re: Networking problem trying to set up CUPS Giovanni <lsodgf0@home.net.it> - 2023-02-22 12:59 +0100
  Re: Networking problem trying to set up CUPS Peter 'Shaggy' Haywood <phaywood@alphalink.com.au> - 2023-02-22 13:00 +1100

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