Re: LPRng: permissions on /var/spool/printer
Hi, On Tue, 2003-12-02 at 17:04, David Bear wrote: I would like to have a queue administrator that is not root. I noticed that lpd runs a su 'daemon' and that /var/spool/lpd/.. is owned by daemon and group daemon. Yet the perms set on /var/spool/lpd are 700. If I set perms to 770 and then put a user in the daemon group would that enable that person to be a 'printer admin', ie use lpc to hold, flush, release queues? Basically, no. It would only allow them to delete and read spool files and logs directly. Logs can usually seen with lpq -v and deleting spool files, unless something has crashed, is generally a bad idea. Look at the /etc/lpd.perms file for user access permissions. Something like: ACCEPT SERVICE=C SERVER REMOTEUSER=your user should do the trick. A queue administrator can then use lpc to control the queues. Cheers, sam - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. -
Re: LPRng: Hello + ifhp.conf
Hi All, Trust an engineer to be using a 24-pin dot Matrix and then complain about problems... perhaps the 'fix' in this sense is a little more 'global' ;-) Seriously though, have a look at the logs in the printers spool directory to identify the problem (usually /var/spool/lpd/printer), saying it simply doesn't work is not actually very helpful. However, an important point has been raised here, one which I had also been thinking about. I do agree with James that the ifhp.conf file is getting to an unmanageable state. Aside from the structure and interpretation difficulties, personal modifications and staying current with the latest version is not as trivial as it should be. A possible solution to this would be to take a leaf out of the book that the clever Debian folk read, specifically the page on the modules.conf file and update-modules script. For the benefit of the non-debian users, the update-modules script simply reads all the text files in the /etc/modutils directory and its sub-directories. The text is then all concatenated together, mixed with a dash of platform specific code and comments, and out comes the modules.conf file. Simple. By doing this to the ifhp situation: no modifications need to be made to the IFHP program code, personal additions are not overwritten, you can edit the configurations and save without modifying the running config... etc. Thoughts anyone? Cheers, sam On Fri, 2003-11-28 at 21:50, James Richard Tyrer wrote: I would like to introduce myself. I am the (somewhat unofficial) maintainer for LPRng support in KDE. I am a professional engineer. And, please note that this is not self aggrandizement, it is a WARNING. :-) Engineers are trained to find things that are wrong with something (find the fault) and come up with ways to fix it. We are sometimes blunt about this and we like to argue. In short. We (engineers) can be somewhat irritating people. But, our intentions are good -- to improve the product. I could really use a little help getting my old Epson 24-pin dot Matrix printer to work with IFHP. If not, I will have to use FooMatic. I have added this to: ihfp.conf: # PRINTER gs_epson24 - Epson LQ1000 [ gs_epson24 ] tc=ghostscript gs_device=epson gs_options=-r360x180 and the necessary entry in: printerdb (which works OK). It appears to configure correctly with: lprngtool, the files appear in the 'var' directory, but it does not print. So, this is the first fault that I find with IHFS. The: ihfp.conf file is simply too long. I would suggest that it have its own directory containing: general.conf pjl.conf pcl.conf ps.conf gs.conf text.conf driver-name.printer Where all files with the extension printer would be concatenated to make the printer.conf file. To avoid the huge configuration file for printers, I would suggest individual printer files for each driver name (e.g. gs_epson24.printer). If that were the case there is no need for concatenation since the filter could simply read the file it needed. But, in any case, a 5K+ configuration file is simply unmanageable. And, I didn't figure it out. I note that this is always a weakness of any print spooler/filter system. They always rely on a 'magic file' that contains the information needed to make a specific printer work. Simplifying the configuration file that a user might need to edit is always a good idea. -- JRT - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. - - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you
Re: LPRng: Changing Spoolers on RedHat 9
The redhat-switch-printer tool does indeed work, however if you've forgotten to install it or can't find it, you can do it manually. These commands are simply taken from the nicely written /usr/share/redhat-switch-printer/functions.py python script file: Convert to LPRng (Most useful ;-) : /bin/rm /etc/printcap /usr/bin/alternatives --set print /usr/bin/lpr.LPRng /sbin/service cups stop /usr/sbin/printconf-backend --force-rebuild /sbin/service lpd start Convert to CUPS (for testing purposes, of course ;-) : /usr/bin/alternatives --set print /usr/bin/lpr.cups /sbin/service lpd stop /usr/sbin/printconf-backend /sbin/service cups start Maybe this will save somebody somewhere a bit of time. Especially useful to know what happens if either of the other scripts doesn't work! Cheers, sam On Mon, 2003-10-20 at 22:49, Tim Waugh wrote: On Mon, Oct 20, 2003 at 12:47:32PM -0700, Patrick Powell wrote: Here is a quick script that switches the print spooler on RedHat: ...or use redhat-switch-printer, which actually comes from the CDs. :-/ Tim. */ -- CERN, Geneva E-mail: samuel.lown (at) cern.ch - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. -
Re: LPRng: need help: ifhp-3.5.10
Hi,
On Mon, 2003-08-25 at 12:29, Longina Przybyszewska wrote:
1. its over production of ifhp* files (hundreds !!) in /var/spool/lpd -
whith the same inhold:
Check the list for the patch I posted to the list to fix this problem. I
believe the next version of IFHP will not have the same bug.
2. filtering text files through a2ps doesn't work:
it seems that the right filter is being used, but it is not - text file is
not getting its prettyformat, just raw text:
Have you checked that the options are ok?
Try in a console:
/usr/local/bin/a2ps -q -B -1 -E -M A4 --borders=no -o test.ps textfile
Where textfile is the file you want to print. The filter_status text
doesn't show any problems. May be a problem with your a2ps install
finding the required pretty conversion reference files??
Hope this helps,
Cheers,
sam
===
default_language=text
forceconversion
Having forceconversion can give you problems, especially when dealing
with the crap that Windows spits out!
Cheers,
sam
## UNIX File utility path
file_util_path= /usr/local/bin/file \%s{inputfile}
## Patterns and Converters
# example conversion program
file_output_match = [
*postscript* ps \%s{ps_converter}
*pdf* ps \%s{pdf2ps_converter}
*pcl* pcl \%s{pcl_converter}
*pjl* pjl \%s{pjl_converter}
*printer*job*language* pjl
*text* ps \%s{text_converter}
*gzip_compressed* filter \%s{gzip_decompress}
* msg no_converter
]
...
...
a2ps_options= -q -B -1 -E -M \%M{papersize} --borders=no -o-
a2ps_converter= /usr/local/bin/a2ps \%s{a2ps_options} \%s{inputfile}
pdf2ps_converter= /usr/local/bin/gs -dSAFER -dPARANOIDSAFER -dBATCH
-dNOPAUSE -q '\-sOutputFile=/dev/fd/3' 31 12 -sDEVICE=pswrite
\%{pdf2ps_options} -c save pop -\f \%s{inputfile}
ps_converter=
pcl_converter=
pjl_converter=
text_converter= \%s{a2ps_converter}
=
Longina
--
Longina Przybyszewska, system programmer
Dept. of Math. Comp. Sci. - IMADA
University of Southern Denmark, Odense
Campusvej 55,DK-5230 Odense M, Denmark
tel: +45 6550 2359 - http://www.imada.sdu.dk email: [EMAIL PROTECTED]
--
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--
CERN, Geneva
IT - Product Support - Unix Infrastructure
E-mail: samuel.lown (at) cern.ch
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Re: LPRng: OF banner program problems - URGENT
Aha! I got the ba***rd!
After several hours of searching through the LPRng code and working out
how it works, I finally discovered the bug.
The bug is in the printjob.c file, for some reason the function
Run_OF_filter() is called in an if as such:
if ( Run_OF_filter( blurb ), Status_file_DYN ) {
goto exit;
}
I didn't know that if likes commas in the conditional statement, but
assuming the Status_file is set, the condition always returns true. The
goto exit is then carried out with error message or any other bit of
useful information!
I must say, this is a critical bug as any configuration with the OF
filter defined WILL fail!! (as has happened to me for the last 6 months
thinking that it was a problem with the printers!)
Attached is a patch for LPRng version 3.8.21 to modify the three
instances of this bug.
Hopefully this can be merged with the official version as soon as
possible.
Cheers,
sam
On Wed, 2003-06-25 at 14:53, Sam Lown wrote:
Hello,
There seems to be a problem with the banner filter program (of)
execution in LPRng versions above 3.8.15.
The OF filter starts ok, but after suspending the IF filter never kicks
in and just the banner page gets printed.
It works as expected with LPRng version 3.8.15 however versions 3.8.19
and above don't.
I've been plagued with this problem for quite some time but only just
come to realise that this occurs.
Does anyone have any suggestions? is this a configuration error or a
bug? - as I've used identical configurations with both .15 and .19+ I'd
imagine it is a bug. I'll try and have a look at the code to see if I
can narrow the problem down, as soon as I have time!
cheers,
sam
--
CERN, Geneva
IT - Product Support - Unix Infrastructure
E-mail: [EMAIL PROTECTED]
diff -r -C 3 LPRng-3.8.21/src/common/printjob.c LPRng-3.8.21-new/src/common/printjob.c
*** LPRng-3.8.21/src/common/printjob.c Wed Apr 16 01:37:42 2003
--- LPRng-3.8.21-new/src/common/printjob.c Fri Jun 27 17:09:52 2003
***
*** 123,129
char *id, *s, *banner_name, *transfername, *openname, *format;
struct line_list *datafile, files;
struct stat statb;
!
of_pid = -1;
msgbuffer[0] = 0;
filtermsgbuffer[0] = 0;
--- 123,129
char *id, *s, *banner_name, *transfername, *openname, *format;
struct line_list *datafile, files;
struct stat statb;
!
of_pid = -1;
msgbuffer[0] = 0;
filtermsgbuffer[0] = 0;
***
*** 194,200
if( Run_OF_filter( send_job_rw_timeout, of_pid, of_stdin, of_stderr,
output, Outbuf, Outmax, Outlen,
job, id, 0,
! msgbuffer, sizeof(msgbuffer)-1 ), Status_file_DYN ){
goto exit;
}
} else if( Outlen ){
--- 194,200
if( Run_OF_filter( send_job_rw_timeout, of_pid, of_stdin, of_stderr,
output, Outbuf, Outmax, Outlen,
job, id, 0,
! msgbuffer, sizeof(msgbuffer)-1 ) ){
goto exit;
}
} else if( Outlen ){
***
*** 344,350
if( Run_OF_filter( send_job_rw_timeout, of_pid, of_stdin, of_stderr,
output, Outbuf, Outmax, Outlen,
job, id, 0,
! msgbuffer, sizeof(msgbuffer)-1 ), Status_file_DYN ){
goto exit;
}
} else {
--- 344,350
if( Run_OF_filter( send_job_rw_timeout, of_pid, of_stdin, of_stderr,
output, Outbuf, Outmax, Outlen,
job, id, 0,
! msgbuffer, sizeof(msgbuffer)-1 ) ){
goto exit;
}
} else {
***
*** 510,516
if( Run_OF_filter( send_job_rw_timeout, of_pid, of_stdin, of_stderr,
output, Outbuf, Outmax, Outlen,
job, id, 1,
! msgbuffer, sizeof(msgbuffer)-1 ), Status_file_DYN ){
goto exit;
}
} else {
--- 510,516
if( Run_OF_filter( send_job_rw_timeout, of_pid, of_stdin, of_stderr,
output, Outbuf, Outmax, Outlen,
job, id, 1,
! msgbuffer, sizeof(msgbuffer)-1 ) ){
goto exit;
}
} else {
Re: LPRng: Problem with 'file'
On Wed, 2003-06-25 at 21:58, Matt Forrest wrote: The 1st 1200 bytes of the file are all zero (AKA 0x00) immediately after that you have the normal ESC code for some PJL stuff I too confirmed this, there is something seriously wrong with one of your drivers. How did you generate this file? is it directly from windows i.e. Print to file, or is it taken from a stopped queue on the server? I am not surprised that 'file' is having problems! We too use the same printer here, if you like I can try and find out the version of our windows drivers (I'm a unix person ;-) as I know for a fact that we don't get that 'crappy' stuff at the beginning of printouts. cheers, sam Try stripping off just those bytes or get http://www.scs.ryerson.ca/mforrest/printing/Job927-df-mf.prn In the -PCL- you don't have the ESC code to end the job.. shouldn't be a problem if the printer is set to auto personality, but I've always seen it there. If you just strip the zeros from the start of the file I'm guessing it will work fine. I haven't tried printing it 'cause I'm lazy right now and don't want to have to walk to the printer :) mATT * A neurotic worries about going crazy, but never will A psychotic IS crazy, but doesn't worry about it! ... Don't worry, be happy!!! :} * - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. - -- CERN, Geneva IT - Product Support - Unix Infrastructure E-mail: [EMAIL PROTECTED] - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. -
LPRng: OF banner program problems
Hello, There seems to be a problem with the banner filter program (of) execution in LPRng versions above 3.8.15. The OF filter starts ok, but after suspending the IF filter never kicks in and just the banner page gets printed. It works as expected with LPRng version 3.8.15 however versions 3.8.19 and above don't. I've been plagued with this problem for quite some time but only just come to realise that this occurs. Does anyone have any suggestions? is this a configuration error or a bug? - as I've used identical configurations with both .15 and .19+ I'd imagine it is a bug. I'll try and have a look at the code to see if I can narrow the problem down, as soon as I have time! cheers, sam -- CERN, Geneva IT - Product Support - Unix Infrastructure E-mail: [EMAIL PROTECTED] - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. -
Re: LPRng: HPDJ755CM help
Hi, The black area problem sounds like it could be to do with the drivers. We had a similar problem here, but we discovered that one of my scripts that removed nasty escape characters that the windows driver added, was also removing escape characters from HPGL2 pictures. The code was altered to only modify the data at the end of the job (were the windows error occurs) and everything worked ok. Another problem we had was with large images in Adobe Illustrator, it would print a job and miss off large blocks at the end of the document. The final solution was to lower the resolution of the image, not ideal but at A1 size the difference was not noticeable. The USTATUS is a pjl command that tells the printer how and when to send bi-di messages back. In the end we've taken off status for this potter, so its a bit irrelevant. The details are taken from one of the specification documents I found on the internet, in an attempt to ensure that only commands the plotter recognises are sent. I would suggest you add status@ to the configuration (if not already) so that weird status messages are ignored - maybe this is related with the driver problem ..? We also use the more modern 1055cm plotters, these are a lot nicer and less error prone! cheers, sam On Fri, 2003-06-20 at 21:47, David Fetrow wrote: It may be worth noting there are TWO versions of the HPDJ755CM and they are different enough that HP has two windows (and mac?) drivers for them on their website. You have to look at the model number on the back (not the front) to tell which one you have. It matters a lot that you use the right one. If you are generating these files from Windows (or mac), you could be using the wrong driver. On the 800ps side: Get an HP5X00ps if you can. It is a LOVELY machine in most respects. I'd probably hate it if I'd only had experience with regular printers but, for a 48 plotter/printer, it is a gem. David Fetrow Phone: 206 616-0869 Distributed Computing Services Pager: 206 405-5377 Applied Physics Lab, Univ. of Washington On Fri, 20 Jun 2003, Ryan Novosielski wrote: Sam, I bet I am using it, and yes, it does work very well for me... EXCEPT: I am getting large black fields, usually toward the end of the posters. It seems to be random, and could even be hardware I /suppose/, but it seems like an awfully big coincidence that the lab staff started complaining to me right around when I started to use the hpgl2 code for the printer. I am reading the PS header out of the dfAXXX... file in /var/spool/lpd. Does this mean the Mac is sending it? I don't know why it would be, as I'm using the driver for that printer and that printer does not speak PS3. Can I ask you what the second part of your ifhp entry does? (the pjl_ustatus section). This part I do not have, and I'm wondering if the reason the printer is bombing out toward the end is it gets some bad data in the form of status polling and starts printing black -- it's wasting a lot of time, ink, and paper at the moment. On a good note, the plotter is being replaced with an 800ps in the near future. Anyone got one of these? _ _ _ _ ___ _ _ _ |Y#| | | |\/| | \ |\ | | | Ryan Novosielski - Jr. UNIX Systems Admin |$| |__| | | |__/ | \| _| | [EMAIL PROTECTED] - 973/972.0922 (2-0922) \__/ Univ. of Med. and Dent. | IST/ACS - NJMS Medical Science Bldg - C630 On Thu, 12 Jun 2003, Sam Lown wrote: Hi Ryan, I sent a patch to the list for sending raw HPGL/2 files to IFHP connected plotters, I'd assume your using this patch? - If so, I'm very glad to hear its working for you :-) As for PS, which file are you reading the first line from? IFHP doesn't change any of the PostScript headers, it sends the file as-is with a bit of PJL header code, at least for the 755cm plotters! You can check this with the following command: cat postscriptfile.ps | ifhp -Tmodel=hpdj755cm,trace output.prn and then check out the headers at the top of output.prn. BTW, my ifhp.conf file with HPGL/2 patch for this plotter is: --- CUT [ hpdj230 hpdj250c hpdj330 hpdj350c hpdj430 hpdj450c hpdj455ca hpdj700 hpdj750c hpdj750cplus hpdj755cm hpdj2000cp ] ## These printers should support HPGL2 hpgl2 pjl_only=[ COMMENT ECHO ENTER EOJ INFO RESET SET USTATUS USTATUSOFF ] pjl_ustatus= @PJL USTATUSOFF @PJL USTATUS DEVICE = ON @PJL USTATUS TIMED = 10 --- END CUT Hope this helps, cheers, sam On Wed, 2003-06-11 at 17:09, Ryan Novosielski wrote: I forget exactly who it is, but someone wrote a patch for ifhp.conf that included a printer def for the 755cm. I am currently using it for HPGL and am very pleased
Re: LPRng: HPDJ755CM help
Hi Ryan, I sent a patch to the list for sending raw HPGL/2 files to IFHP connected plotters, I'd assume your using this patch? - If so, I'm very glad to hear its working for you :-) As for PS, which file are you reading the first line from? IFHP doesn't change any of the PostScript headers, it sends the file as-is with a bit of PJL header code, at least for the 755cm plotters! You can check this with the following command: cat postscriptfile.ps | ifhp -Tmodel=hpdj755cm,trace output.prn and then check out the headers at the top of output.prn. BTW, my ifhp.conf file with HPGL/2 patch for this plotter is: --- CUT [ hpdj230 hpdj250c hpdj330 hpdj350c hpdj430 hpdj450c hpdj455ca hpdj700 hpdj750c hpdj750cplus hpdj755cm hpdj2000cp ] ## These printers should support HPGL2 hpgl2 pjl_only=[ COMMENT ECHO ENTER EOJ INFO RESET SET USTATUS USTATUSOFF ] pjl_ustatus= @PJL USTATUSOFF @PJL USTATUS DEVICE = ON @PJL USTATUS TIMED = 10 --- END CUT Hope this helps, cheers, sam On Wed, 2003-06-11 at 17:09, Ryan Novosielski wrote: I forget exactly who it is, but someone wrote a patch for ifhp.conf that included a printer def for the 755cm. I am currently using it for HPGL and am very pleased with the results. HOWEVER, for PS, I am getting files (when printing from a Mac, for example) that contain PS3, according to the first line of the file. The printer receives them, smiles and nods, and silently dumps the file. As the Mac PPD for the printer clearly says PS level 2, I believe that ifhp may be handing it level 3 for some reason. Is this far-fetched? How can I make sure the printer always gets level 2, even if this problem isn't caused by ifhp? _ _ _ _ ___ _ _ _ |Y#| | | |\/| | \ |\ | | | Ryan Novosielski - Jr. UNIX Systems Admin |$| |__| | | |__/ | \| _| | [EMAIL PROTECTED] - 973/972.0922 (2-0922) \__/ Univ. of Med. and Dent. | IST/ACS - NJMS Medical Science Bldg - C630 - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. - -- CERN, Geneva IT - Product Support - Unix Infrastructure E-mail: [EMAIL PROTECTED] - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. -
Re: LPRng: foomatic + ifhp
Hi All, Going back to the foomatic+ifhp subject that was posted to the list back in March. Looking at the e-mail sent by Patrick Powell to the list, it would seem that something was started in the ifhp back in 2001, but sadly nothing materialised. The ability to use PPD files with IFHP would be, as stated in the e-mails below, a very very useful feature and may alleviate some of the problems in maintaining the ifhp.conf file. We also wouldn't loose the most useful features of IFHP, i.e. bi-di. So, if anyone (probably Patrick Powell) has a copy of the code that was made, I'd love to have a copy to see if can finish it off. With the growing number of printers and types here, it might be worth the time and effort. If no starting point is available, then I'll probably have a go at producing a complete patch myself. cheers, sam On Thu, 2003-03-27 at 02:55, Till Kamppeter wrote: I think this is really a good idea, because now you have to decide (at least before CUPS 1.2 comes out), either support for bi-di features with ifhp or support for all printer models and driver options with Foomatic. I am wondering why nothing happened around the Foomatic/ifhp combo as Patrick Powell was the one bringing in this idea. Is there anyone more experienced with ifhp than me who want to do it? If something is there please send it to me (or post it on the foomatic-devel forum on linuxprinting.org) so that I can include it in the official Foomatic package (and the setup instructions as LPRng Docs on the web site. Please use Foomatic 3.0.x (http://www.linuxprinting.org/foomatic2.9/), as I will release 3.0.0 in two or three weeks and so Foomatic 2.0.x can be considered as obsolte. Another advantage of Foomatic 3.0.x is that it gives full support for manufacturer-supplied PostScript PPD files to all spoolers including LPRng (http://www.linuxprinting.org/foomatic2.9/ppd-doc.html). Till Craig Small wrote: On Tue, Mar 18, 2003 at 12:25:50PM -0800, Luca Filipozzi wrote: Whatever happened to the idea of using foomatic + ifhp together as suggested in your email to this list? http://marc.theaimsgroup.com/?l=lprngm=100739756403529w=2 If that happened that would be so amazingly fantastic. LPRng is a good program, lprngtool is *almost* there but having access to all the foomatic preinter definitions would be icing on the cake. Of course you can muck around with the printerdb in lprngtool but it misses the point. - Craig - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. - -- CERN, Geneva IT - Product Support - Unix Infrastructure E-mail: [EMAIL PROTECTED] - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. -
LPRng: left over ifhpXXXXX files solution!?
Hi All,
After some effort searching though the ifhp code I finally decided what
(I think) is wrong and seemingly fixed it.
It appears that after the last modifications to ifhp the Make_tempfile
code was changed to accommodate the passing of filenames and therefore
in the case of a filename pointer being passed, the temp file is NOT
unlinked after being created and no other unlink is ever performed -
hence the most annoying ifhpXXX files remain - at least, thats how I
understand it!
So, my solution after searching around and finding the (IMHO dirty)
Global InputFile pointer I implemented a simple bit of code that checks
to make sure that InputFile is not the same as the passed -e value nor
equal to /dev/fd/0 and then unlinks the file.
I tested and installed the new ifhp on our servers and so far it seems
to be working fine, i.e. no complaints yet!. The biggest difference
however is with the /var/spool/lpd directory, in our most loaded server
it used to be around 1.5 to 2gb full at any one time, now it floats
around 300 to 500 mb, which is much better!
A diff between the last ifhp.c (3.5.10) and mine should be attached...
perhaps something similar should be integrated into the original ifhp
and to that end, if anyone thinks it should be done differently, please
say!
Cheers,
Sam Lown
--
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IT - Product Support - Unix Infrastructure
E-mail: [EMAIL PROTECTED]
423a424
1346a1348,1364
/* Added by Sam Lown, CERN
* Based on info provided by Bernhard Koelbl, InterFace AG
* - This is a bit messy but with passing variables through globals
*one can never be sure what the state is!
*/
/* Check again for the -e option */
if( (s = Loweropts['e'-'a']) ){
/* we have a file specified on the command line */
if ( safestrcmp(s,InputFile) || safestrcmp(Devfd0, InputFile) ) {
DEBUG1(End_of_job: Unlinking Temporary file '%s', InputFile);
unlink(InputFile);
}
}
/* End of addition */
Re: LPRng: ifhpXXXXXX files
On Tue, 2003-03-04 at 01:16, Anthony Thyssen wrote: | The ifhpX files are being created by the ifhp conversion filter table... file_output_match = [ ... ] Whenever a filter is applied the output is placed into the temporary file before either the next filter is applied or the file is forwarded to the printer. I see, I hadn't realised this before. Is it possible therefore to turn off the conversion filters? - we do all the processing and conversion before sending the data to ifhp so there is no real need for it anyway! I've had a look through ifhp.conf and couldn't see anything obvious for de-activating these filters other than emptying the file_output_match array (?), I'd prefer to do from the command line if possible . As ifhp is finished by the time any accounting is performed you can place the remove into an ifhp accounting filter (accounting= in either the ifhp.conf or on the ifhp= printcap options). Even if that is the only this that your accounting program does. It make no difference if you remove the files during filestart, fileend or even as a af= filter. By cleaning up during accounting the tempory files only exist for the specific job under process, and means your spool directories remain clear of them. A possibility I had considered, but I think I would prefer for them not to be created in the first place - I may end up implementing it though if nothing else works. Cheers, sam That only leaves the problem of handling 3, 1Gbtye temporary file copies of a huge file the user decided to print! :-) Anthony Thyssen ( System Programmer )http://www.sct.gu.edu.au/~anthony/ - Wecome to the Internet Scratch-It ### ### ### ### ### ### Any three matches to win! ### ### ### ### ### ### - Anthony's Home is his Castle http://www.sct.gu.edu.au/~anthony/ -- CERN, Geneva IT - Product Support - Unix Infrastructure E-mail: [EMAIL PROTECTED] - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. -
Re: LPRng: OffendingCommand: ^[
On Fri, 2003-02-28 at 22:25, David Fetrow wrote:
I'd be very interested in your solutions if any.
In the end I implemented a small perl script that removes the incomplete
PJL command from the job. For completeness, I've included the basic
script added to the filter pipeline:
#!/usr/bin/perl -w
#
# pjlflt - remove nasty bits of PJL code
#
while (STDIN) {
if (m/\c[/) {
if (s/\c[[^(%\-12345X)]//g || s/\c[$//g) {
print STDERR NASTY PJL CODE REMOVED!!\n;
}
}
print;
}
1;
I'll eventually get round to re-writing this script in C to speed things
up a bit, but as it stands the performance is not too bad. The server
machines are fairly powerful so it usually takes about 2-3s to scan a
50mb file, which is acceptable in our situation.
BTW. if anyone has any suggested C code or better perl code, I would be
very interested to hear from you.
Cheers,
sam
I have been known to simply skip the ifhp altogether
and just use lprng raw. This typically works as long
as I don't need the ifhp features.
What makes that practical here is the problem seems
to be restricted to only a few printers (possibly
some drivers are worth than others?)
It's a reasonable approach to take if your accounting
needn't be too precise and you don't use the nifty
features in ifhp and just want paper to come out with
marks on it.
David Fetrow Phone: 206 616-0869
Distributed Computing Services Pager: 206 405-5377
Applied Physics Lab, Univ. of Washington
On 27 Feb 2003, Sam Lown wrote:
Hello,
Does anyone have any experience with this particular error message?
getting end using 'pjl job/eoj' at time
error = 'undefined' at time
Error: 'undefined'; OffendingCommand: ^[ at time
I've managed to find the source and reason for the error message,
however I can't decide on the best way to solve it (or at least, the
most practical way!) I'm upgrading the print service from the old
CTI-IFHP to the new ifhp, the old CTI version just ignored these error
messages, however the new ifhp takes more notice and tends to mess up
the accounting!
The error occurs when a job printed from a windows machine and includes
'drips and drabs' of PJL code - all jobs are (should be) PostScript and
the error is seemingly random. For some reason the windows driver
(sometimes) decides to add a ^[ (ESC) character to the end of the job
and miss out the important PJL '%-12345X' section of the command - were
as other times it includes the complete command, or nothing at all
My best solution is to add a small C/perl program to the filter pipeline
to throwout any incomplete commands with the escape character.
Does anyone know of a better way to correct the crappy windows PS code?
Is there anything 'built-in' in ifhp to handle this? or if anyone knows
what could be done with the windows drivers, that would help!
Thanks in advance,
sam
--
CERN, Geneva
IT - Product Support - Unix Infrastructure
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LPRng: ifhpXXXXXX files
Hi All,
Back to the issue of the (damn) ifhpX files that IFHP randomly
decides to leave in the spool directories.
Is anyone actually working on this issue? Its been on the list now for
several months and nothing seems to have been resolved. I am saying this
now as one of servers was down today for 10 minutes or so due to the
spool directories overflowing.
I've added the find -name ifhp\* -ctime -exec rm {} \; command to
CRON as suggested by John Perkins on Jan 10th, but if we get one days
worth of traffic and a few 1Gb jobs to the A0 plotters where in shit
creak again!
(and Nuclear physicists get cranky when things don't work ;-)
If needed (/forced to) we'll try to resolve the issue here and post the
result/patch (maybe someone has something already?).
Cheers,
sam
--
CERN, Geneva
IT - Product Support - Unix Infrastructure
E-mail: [EMAIL PROTECTED]
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LPRng: OffendingCommand: ^[
Hello, Does anyone have any experience with this particular error message? getting end using 'pjl job/eoj' at time error = 'undefined' at time Error: 'undefined'; OffendingCommand: ^[ at time I've managed to find the source and reason for the error message, however I can't decide on the best way to solve it (or at least, the most practical way!) I'm upgrading the print service from the old CTI-IFHP to the new ifhp, the old CTI version just ignored these error messages, however the new ifhp takes more notice and tends to mess up the accounting! The error occurs when a job printed from a windows machine and includes 'drips and drabs' of PJL code - all jobs are (should be) PostScript and the error is seemingly random. For some reason the windows driver (sometimes) decides to add a ^[ (ESC) character to the end of the job and miss out the important PJL '%-12345X' section of the command - were as other times it includes the complete command, or nothing at all My best solution is to add a small C/perl program to the filter pipeline to throwout any incomplete commands with the escape character. Does anyone know of a better way to correct the crappy windows PS code? Is there anything 'built-in' in ifhp to handle this? or if anyone knows what could be done with the windows drivers, that would help! Thanks in advance, sam -- CERN, Geneva IT - Product Support - Unix Infrastructure E-mail: [EMAIL PROTECTED] - YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST mailaddr | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST mailaddr | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. -
