:: Re: [DNG] lpr command not working
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Auteur: Ralph Ronnquist
Datum:  
Aan: dng
Onderwerp: Re: [DNG] lpr command not working
On Wed, 17 Nov 2021 06:51:39 +1100
Ralph Ronnquist <ralph.ronnquist@???> wrote:

> On Tue, 16 Nov 2021 08:03:21 -0500
> Haines Brown <haines@???> wrote:
>
> > On Tue, Nov 16, 2021 at 12:28:57PM +1100, Ralph Ronnquist via Dng
> > wrote:
> > > On Mon, 15 Nov 2021 19:21:15 -0500
> > > Haines Brown <haines@???> wrote:
> > > > These problems I'll pursue, but my pont is that none of the ways
> > > > to get access to the lpr command are workig.
> > >
> > >
> > > use: $ lpstat -d -v -p
> > > to list which the default printer is and which printers there are
> > >
> >
> > $ lpstat -d -v -p
> > no system default destination
> > lpstat: Bad file descriptor
> > lpstat: Bad file descriptor
> >
> > > use: # lpadmin -d "$queue"
> > > to set $queue as the default for cups and lpr
> >
> > I'm unsure whether you are telling me now to set the queue for CUPS
> > or if I need to set it to "queue".
> >
> > I do # /etc/cups/diff -y cupsd.conf cupsd.conf.O | less .
> > I discover that is it cups.conf.<uppsercase o> not cups.conf<zero>.
> > So "O" means Original?
> >
> > My current cupsd.conf has line Port 631 vs. Listen localhost:631
> >
> > My current location is
> >
> >   <Location />          
> >     # Allow shared printing...                                 
> >     Order allow,deny                                           
> >     Allow @LOCAL                                               
> >   </Location>                                                  

> >
> > the file cupsd.conf.O has
> >
> >   <Location />
> >   # Restrict access to the server...
> >     Order allow,deny
> >   </Location>

> >
> > One thing I could is to backup /etc/cups/cupsd.conf and replace
> > it with cupsd.conf.O and reinstall the printer. Would you suggest
> > doing this?
> >
> > > (using cups-lpr)
> >
> > what does this mean?
>
> Sorry, I was a bit short...
>
> That command, "lpadmin -d $queue", is documented as the one to be used
> for telling CUPS and lpr (from cups-lpr) which printer to use as
> default printer; the $queue bit is "the printer queue name" or "the
> user's printer name" and e.g. not it's connection detail (unless they
> happen to coincide).
>
> The resulting "conf" change seems to be the inclusion of the line
> with "<DefaultPrinter $queue>" (where again $queue is the printer
> queue name, which also is the file name for the ppd of the printer),
> together with a subsequent "</DefaultPrinter>". That same XML
> "object" appears in both /etc/cups/printers.conf and
> /etc/cups/printers.conf.O, and that's about the limit of what I know
> about those files.
>
> In my simpleton approach to printing, I usually use the GUI of
> "system-config-printer" to administrate via its required combinations
> of mousing and keyboarding, and in fact I print so seldom that I
> hadn't even installed an lpr program before. So my short note merely
> reflected what I just had learnt from the man pages while attempting
> to print a small text file with lpr, and discovering that my
> defaulted default printer "PDF" was not what I wanted as default.


... actually the "DefaultPrinter" object has a lot of more stuff in it,
and is apparently just a rebadging of one of the pre-existing "<Printer
$queue>" objects.

Ralph.