LPRng question and printing in general

[Predrag Punosevac]

I would like to ask people who use  LPRng spooling system on FreeBSD to 
clarify something for me.


I have been playing with all available spooling systems on FreeBSD (LPD, 
LPRng,  CUPS , PDQ) as well as HPLIP in order to document

their behavior and write simple howtos for each of the systems.

However I kept getting into the trouble with LPRng. Namely, I could not 
get past the following message


[EMAIL PROTECTED] -cannot open connection - No such file or directory
Make sure the remote host supports the LPD protocol

Is that the famous conflict with the native LPD supporting RFC1179 
printing. How do people resolve this conflict in practice?




I also noticed that PDQ project is completely abandoned by its creator. 
Also LPRng was  abandoned by its creator in 2005 and then picked by
somebody else. I wander what is the state of ifhp filter which is used 
by default by LPRng. As it is a hardware based project and there are so
many printers that were manufactured in the mean time I wander if the 
system is still usable in real life.



Is FreeBSD printing essentially reduced to LPD+apsfilter for small to 
medium print networks and CUPS for  very complex  printing  networks  
or  LPRng  is alive and well.



I tried to get into LPRng mailing lists but they seems are not active 
any more.



Best,
Predrag




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Re: LPRng question and printing in general

[Garance A Drosehn]

At 2:07 PM -0700 12/8/07, Predrag Punosevac wrote:

I would like to ask people who use LPRng spooling system on FreeBSD
to clarify something for me.


I have never used LPRng in production, although I know the guys in
our (RPI) CS department used to use it for their printing world.


I also noticed that PDQ project is completely abandoned by its
creator. Also LPRng was  abandoned by its creator in 2005 and then
picked by somebody else.


Hmm.  I haven't used LPRng in awhile, but I used to pay attention
to the mailing list.  The web site:
   http://www.lprng.com/

seems relevant, and talks about Patrick Powell as the author, and
according to that web page the most recent update is 12 Sep 2007
(for LPRng-3.8.32).  I'm pretty sure that Patrick has always been
the driving force behind LPRng.

Perhaps it is the FreeBSD port for building LPRng which has seen
someone new pick it up?  Patrick wouldn't be responsible for our
OS-specific port.


Is FreeBSD printing essentially reduced to LPD+apsfilter for small
to medium print networks and CUPS for very complex printing networks
or LPRng is alive and well.


Heh.  Well, I run a pretty complicated printing environment here at
RPI, based on FreeBSD's lpr and a bunch of custom changes to CAP.
Works well for us, but it probably wouldn't work well for most people.
Hopefully I'll get back to merging some of RPI changes back into
FreeBSD's lpr.


I tried to get into LPRng mailing lists but they seems are not
active any more.


I'm not sure what happened to those.  I used to be on them, but every
once-in-awhile the mailing list software would complain that our (RPI)
mail hub was rejecting mail, and would drop me from the mailing list.
After the fourth or fifth time this happened, I stopped adding myself
back onto the list.

--
Garance Alistair Drosehn =   [EMAIL PROTECTED]
Senior Systems Programmer   or   [EMAIL PROTECTED]
Rensselaer Polytechnic Institute; Troy, NY;  USA
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