source: pst/printing/cups.xml@ 90b85c94

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Last change on this file since 90b85c94 was 5a83b91b, checked in by Douglas R. Reno <renodr@…>, 8 months ago

Update to cups-2.4.7 (Security Update)

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY cups-download-http "https://github.com/OpenPrinting/cups/releases/download/v&cups-version;/cups-&cups-version;-source.tar.gz">
8 <!ENTITY cups-download-ftp " ">
9 <!ENTITY cups-md5sum "e0a5ddbf53dfad41da26fc1ef60b2256">
10 <!ENTITY cups-size "7.8 MB">
11 <!ENTITY cups-buildsize "77 MB (Add 49 MB for tests)">
12 <!ENTITY cups-time "0.4 SBU (Add 1.0 SBU for tests)">
13]>
14
15<sect1 id="cups" xreflabel="Cups-&cups-version;">
16 <?dbhtml filename="cups.html"?>
17
18
19 <title>Cups-&cups-version;</title>
20
21 <indexterm zone="cups">
22 <primary sortas="a-Cups">Cups</primary>
23 </indexterm>
24
25 <sect2 role="package">
26 <title>Introduction to Cups</title>
27
28 <para>
29 The Common Unix Printing System (CUPS) is a print spooler and
30 associated utilities. It is based on the "Internet Printing
31 Protocol" and provides printing services to most PostScript
32 and raster printers.
33 </para>
34
35 &lfs120_checked;
36
37 <bridgehead renderas="sect3">Package Information</bridgehead>
38 <itemizedlist spacing="compact">
39 <listitem>
40 <para>
41 Download (HTTP): <ulink url="&cups-download-http;"/>
42 </para>
43 </listitem>
44 <listitem>
45 <para>
46 Download (FTP): <ulink url="&cups-download-ftp;"/>
47 </para>
48 </listitem>
49 <listitem>
50 <para>
51 Download MD5 sum: &cups-md5sum;
52 </para>
53 </listitem>
54 <listitem>
55 <para>
56 Download size: &cups-size;
57 </para>
58 </listitem>
59 <listitem>
60 <para>
61 Estimated disk space required: &cups-buildsize;
62 </para>
63 </listitem>
64 <listitem>
65 <para>
66 Estimated build time: &cups-time;
67 </para>
68 </listitem>
69 </itemizedlist>
70
71 <bridgehead renderas="sect3">Cups Dependencies</bridgehead>
72
73 <bridgehead renderas="sect4">Required</bridgehead>
74 <para role="required">
75 <xref linkend="gnutls"/>
76 </para>
77
78 <bridgehead renderas="sect4">Recommended</bridgehead>
79 <para role="recommended">
80 <xref linkend="colord"/>,
81 <xref linkend="dbus"/>,
82 <xref linkend="libusb"/>,
83 <xref linkend="linux-pam"/>, and
84 <xref linkend="xdg-utils"/>
85 </para>
86
87 <bridgehead renderas="sect4">Optional</bridgehead>
88 <para role="optional">
89 <xref linkend="avahi"/>,
90 <xref linkend="libpaper"/>,
91 <xref linkend="mitkrb"/>,
92 <!--<xref linkend="openjdk"/>, Not found in 2.4.0 -->
93 <xref linkend="php"/>, and
94 <xref linkend="python2"/>
95 </para>
96
97 <bridgehead renderas="sect4">Required (Postinstall)</bridgehead>
98 <para role="required">
99 <xref role="runtime" linkend="cups-filters"/>
100 </para>
101
102 <bridgehead renderas="sect4">Optional (Postinstall)</bridgehead>
103 <para role="optional">
104 <xref role="runtime" linkend="gutenprint"/> and
105 <ulink role="runtime" url="https://developers.hp.com/hp-linux-imaging-and-printing">hplip</ulink> (HP printers)
106 </para>
107
108 <para condition="html" role="usernotes">Editor Notes:
109 <ulink url="&blfs-wiki;/cups"/>
110 </para>
111 </sect2>
112
113 <sect2 role="kernel" id="cups-kernel">
114 <title>Kernel Configuration</title>
115
116 <note>
117 <para>
118 There used to be a conflict between the <application>Cups</application>
119 <application>libusb</application> backend and the usblp kernel driver.
120 This is no longer the case and cups will work with both of these
121 enabled.
122 </para>
123 </note>
124
125 <para>
126 If you want to use the kernel usblp driver (for example, if you wish to
127 use <application>escputil</application> from <xref
128 linkend="gutenprint"/>) enable the following options in your kernel
129 configuration and recompile the kernel:
130 </para>
131
132 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
133 href="usb-printer-kernel.xml"/>
134
135 <para>
136 If you have a parallel printer, enable the following options in your
137 kernel configuration and recompile the kernel:
138 </para>
139
140 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
141 href="parallel-printer-kernel.xml"/>
142
143 <indexterm zone="cups cups-kernel">
144 <primary sortas="d-cups">cups</primary>
145 </indexterm>
146
147 </sect2>
148
149 <sect2 role="installation">
150 <title>Installation of Cups</title>
151
152 <para>
153 You will need to add an <systemitem class="username">lp</systemitem>
154 user, as <application>Cups</application> will create some files owned
155 by this user. (The <systemitem class="username">lp</systemitem> user
156 is the default used by <application>Cups</application>, but may be
157 changed to a different user by passing a parameter to the
158 <command>configure</command> script.) Use the following command as
159 the <systemitem class="username">root</systemitem> user:
160 </para>
161
162<screen role="root"><userinput>useradd -c "Print Service User" -d /var/spool/cups -g lp -s /bin/false -u 9 lp</userinput></screen>
163
164 <para>
165 You will also need a dedicated group that will contain users allowed to
166 do <application>Cups</application> administrative tasks. Add the group
167 by running the following command as the
168 <systemitem class="username">root</systemitem> user:
169 </para>
170
171<screen role="root"><userinput>groupadd -g 19 lpadmin</userinput></screen>
172
173 <para>
174 If you want to add a user to the <application>Cups</application>
175 administrative group, run the following command as the
176 <systemitem class="username">root</systemitem> user:
177 </para>
178
179<screen role="root"><userinput>usermod -a -G lpadmin <replaceable>&lt;username&gt;</replaceable></userinput></screen>
180
181 <para>
182 If you didn't install <xref linkend="xdg-utils"/>, use the following
183 <command>sed</command> to change the default browser that will be used
184 to access the <application>Cups</application> web interface:
185 </para>
186
187<screen><userinput>sed -i 's#@CUPS_HTMLVIEW@#firefox#' desktop/cups.desktop.in</userinput></screen>
188
189 <para>
190 Replace <command>firefox</command> with the web browser of your
191 choice.
192 </para>
193
194 <para>
195 Build <application>Cups</application> by running the following commands:
196 </para>
197
198<screen revision="sysv"><userinput>./configure --libdir=/usr/lib \
199 --disable-systemd \
200 --with-rcdir=/tmp/cupsinit \
201 --with-rundir=/run/cups \
202 --with-system-groups=lpadmin \
203 --with-docdir=/usr/share/cups/doc-&cups-version; &amp;&amp;
204make</userinput></screen>
205
206<screen revision="systemd"><userinput>./configure --libdir=/usr/lib \
207 --with-rundir=/run/cups \
208 --with-system-groups=lpadmin \
209 --with-docdir=/usr/share/cups/doc-&cups-version; &amp;&amp;
210make</userinput></screen>
211
212 <para>
213 To test the results, issue: <command>LC_ALL=C make -k check</command>. An already
214 active graphical session with bus address is necessary to run the tests.
215 Make sure that there is not other instance of <application>Cups</application>
216 running, otherwise at least 4 tests will fail with "address in use".
217 </para>
218
219 <para>
220 Now, as the <systemitem class="username">root</systemitem> user:
221 </para>
222
223<!-- dev note: make BUILDROOT=<DESTDIR> install -->
224
225<screen role="root"><userinput>make install &amp;&amp;
226ln -svnf ../cups/doc-&cups-version; /usr/share/doc/cups-&cups-version;</userinput></screen>
227
228 <para revision="sysv">
229 Remove the shipped bootscript, which is incompatible with LFS:
230 </para>
231
232<screen role="root" revision="sysv"><userinput>rm -rf /tmp/cupsinit &amp;&amp;</userinput></screen>
233
234 <para>
235 Create a basic <application>Cups</application> client configuration file
236 by running the following command as the <systemitem
237 class="username">root</systemitem> user:
238 </para>
239
240<screen role="root"><userinput>echo "ServerName /run/cups/cups.sock" > /etc/cups/client.conf</userinput></screen>
241
242 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
243 href="../../xincludes/gtk-update-icon-cache.xml"/>
244
245 </sect2>
246
247 <sect2 role="commands">
248 <title>Command Explanations</title>
249
250 <para revision="sysv">
251 <parameter>--disable-systemd</parameter>: Systemd is not supported by
252 this version of BLFS.
253 </para>
254
255 <para revision="sysv">
256 <parameter>--with-rcdir=/tmp/cupsinit</parameter>: This switch tells the
257 build process to install the shipped bootscript into <filename
258 class="directory">/tmp</filename> instead of <filename
259 class="directory">/etc/rc.d</filename>.
260 </para>
261
262 <para>
263 <parameter>--with-rundir=/run/cups</parameter>: This switch prevents
264 the package from referring to the deprecated
265 <filename class='directory'>/var/run</filename> directory.
266 </para>
267
268 <para>
269 <parameter>--with-system-groups=lpadmin</parameter>: This switch ensures
270 that only <systemitem class="groupname">lpadmin</systemitem> will be used
271 as the <application>Cups</application> administrative group.
272 </para>
273
274 <para>
275 <option>--disable-libusb</option>: Use this switch if you have installed
276 <xref linkend="libusb"/>, but wish to use the kernel usblp driver.
277 </para>
278
279 <para>
280 <option>--enable-libpaper</option>: Use this switch if you have installed
281 <application>libpaper</application> and wish to use it with
282 <application>Cups</application>.
283 </para>
284
285 </sect2>
286
287 <sect2 role="configuration">
288 <title>Configuring Cups</title>
289
290 <sect3 id="cups-config">
291 <title>Config Files</title>
292
293 <para>
294 <filename>/etc/cups/*</filename>
295 </para>
296
297 <indexterm zone="cups cups-config">
298 <primary sortas="e-etc-cups">/etc/cups/*</primary>
299 </indexterm>
300
301 </sect3>
302
303 <sect3>
304 <title>Configuration Information</title>
305
306 <para>
307 Normally, printers are set up via a web browser. The
308 <application>Cups</application> server will normally connect via
309 the url http://localhost:631. From there printers, print
310 jobs, and the server configuration can be set up and managed.
311 Remote system administration can also be set up. Configuration
312 can also be done from the command line via the
313 <command>lpadmin</command>, <command>lpoptions</command>,
314 and <command>lpstat</command> commands.
315 </para>
316
317 <para>
318 Configuration of <application>Cups</application> is dependent on
319 the type of printer and can be complex. Generally, PostScript printers
320 are easier. For detailed instructions on configuration and use of
321 <application>Cups</application>, see <ulink
322 url="https://www.cups.org/documentation.html"/>.
323 </para>
324
325 <para>
326 For non-PostScript printers to print with
327 <application>Cups</application>, you need to install <xref
328 linkend="gs"/> to convert PostScript to raster images and a driver
329 (e.g. from <xref linkend="gutenprint"/>) to convert the resulting
330 raster images to a form that the printer understands. <ulink
331 url="https://wiki.linuxfoundation.org/openprinting/database/foomatic">Foomatic</ulink>
332 drivers use <xref linkend="gs"/> to convert PostScript to a printable
333 form directly, but this is considered suboptimal by
334 <application>Cups</application> developers.
335 </para>
336
337 </sect3>
338
339 <sect3>
340 <title>Linux PAM Configuration</title>
341
342 <para>
343 If <application>CUPS</application> has been built with
344 <application>Linux PAM</application> support, you need to create a
345 <application>PAM</application> configuration file to get it working
346 correctly with BLFS.
347 </para>
348
349 <para>
350 Issue the following command as the <systemitem
351 class="username">root</systemitem> user to create the configuration
352 file for <application>Linux PAM</application>:
353 </para>
354
355<screen role="root"><userinput>cat &gt; /etc/pam.d/cups &lt;&lt; "EOF"
356<literal># Begin /etc/pam.d/cups
357
358auth include system-auth
359account include system-account
360session include system-session
361
362# End /etc/pam.d/cups</literal>
363EOF</userinput></screen>
364
365 </sect3>
366
367 <sect3 id="cups-init">
368 <title><phrase revision="sysv">Boot Script</phrase>
369 <phrase revision="systemd">Systemd Unit</phrase></title>
370
371 <para revision="sysv">
372 If you want the <application>Cups</application> print service to start
373 automatically when the system is booted, install the init script
374 included in the <xref linkend="bootscripts"/> package:
375 </para>
376
377 <para revision="systemd">
378 To start the <command>cupsd</command> daemon when something tries to
379 access it, enable the previously installed systemd units by running
380 the following command as the
381 <systemitem class="username">root</systemitem> user:
382 </para>
383
384 <indexterm zone="cups cups-init">
385 <primary sortas="f-cups">cups</primary>
386 </indexterm>
387
388<screen role="root" revision="sysv"><userinput>make install-cups</userinput></screen>
389
390<screen role="root" revision="systemd"><userinput>systemctl enable cups</userinput></screen>
391
392 </sect3>
393
394 </sect2>
395
396 <sect2 role="content">
397 <title>Contents</title>
398
399 <segmentedlist>
400 <segtitle>Installed Programs</segtitle>
401 <segtitle>Installed Libraries</segtitle>
402 <segtitle>Installed Directories</segtitle>
403
404 <seglistitem>
405 <seg>
406 cancel, cupsaccept, cups-config, cupsctl, cupsd, cupsdisable,
407 cupsenable, cupsfilter, cupsreject, cupstestppd, ippeveprinter,
408 ippfind, ipptool, lp, lpadmin, lpc, lpinfo, lpmove, lpoptions, lpq,
409 lpr, lprm, lpstat, ppdc, ppdhtml, ppdi, ppdmerge, and ppdpo
410 </seg>
411 <seg>
412 libcupsimage.so
413 and libcups.so
414 </seg>
415 <seg>
416 /etc/cups,
417 /usr/{include,lib,share}/cups,
418 /usr/share/doc/cups-&cups-version;,
419 /run/cups, and
420 /var/{cache,log,spool}/cups
421 </seg>
422 </seglistitem>
423 </segmentedlist>
424
425 <variablelist>
426 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
427 <?dbfo list-presentation="list"?>
428 <?dbhtml list-presentation="table"?>
429
430 <varlistentry id="cancel-cups">
431 <term><command>cancel</command></term>
432 <listitem>
433 <para>
434 cancels existing print jobs from the print queues
435 </para>
436 <indexterm zone="cups cancel-cups">
437 <primary sortas="b-cancel">cancel</primary>
438 </indexterm>
439 </listitem>
440 </varlistentry>
441
442 <varlistentry id="cupsaccept">
443 <term><command>cupsaccept</command></term>
444 <listitem>
445 <para>
446 accept jobs sent to a destination
447 </para>
448 <indexterm zone="cups cupsaccept">
449 <primary sortas="b-cupsaccept">cupsaccept</primary>
450 </indexterm>
451 </listitem>
452 </varlistentry>
453
454 <varlistentry id="cups-config-prog">
455 <term><command>cups-config</command></term>
456 <listitem>
457 <para>
458 is a <application>Cups</application>
459 program configuration utility
460 </para>
461 <indexterm zone="cups cups-config-prog">
462 <primary sortas="b-cups-config">cups-config</primary>
463 </indexterm>
464 </listitem>
465 </varlistentry>
466
467 <varlistentry id="cupsctl">
468 <term><command>cupsctl</command></term>
469 <listitem>
470 <para>
471 updates or queries the cupsd.conf file for a server
472 </para>
473 <indexterm zone="cups cupsctl">
474 <primary sortas="b-cupsctl">cupsctl</primary>
475 </indexterm>
476 </listitem>
477 </varlistentry>
478
479 <varlistentry id="cupsd">
480 <term><command>cupsd</command></term>
481 <listitem>
482 <para>
483 is the scheduler for the Common Unix Printing System
484 </para>
485 <indexterm zone="cups cupsd">
486 <primary sortas="b-cupsd">cupsd</primary>
487 </indexterm>
488 </listitem>
489 </varlistentry>
490
491 <varlistentry id="cupsdisable">
492 <term><command>cupsdisable</command></term>
493 <listitem>
494 <para>
495 stop printers and classes
496 </para>
497 <indexterm zone="cups cupsdisable">
498 <primary sortas="b-cupsdisable">cupsdisable</primary>
499 </indexterm>
500 </listitem>
501 </varlistentry>
502
503 <varlistentry id="cupsenable">
504 <term><command>cupsenable</command></term>
505 <listitem>
506 <para>
507 start printers and classes
508 </para>
509 <indexterm zone="cups cupsenable">
510 <primary sortas="b-cupsenable">cupsenable</primary>
511 </indexterm>
512 </listitem>
513 </varlistentry>
514
515 <varlistentry id="cupsfilter">
516 <term><command>cupsfilter</command></term>
517 <listitem>
518 <para>
519 is a front-end to the <application>Cups</application>
520 filter subsystem which allows you to convert a file
521 to a specific format
522 </para>
523 <indexterm zone="cups cupsfilter">
524 <primary sortas="b-cupsfilter">cupsfilter</primary>
525 </indexterm>
526 </listitem>
527 </varlistentry>
528
529 <varlistentry id="cupsreject">
530 <term><command>cupsreject</command></term>
531 <listitem>
532 <para>
533 reject jobs sent to a destination
534 </para>
535 <indexterm zone="cups cupsreject">
536 <primary sortas="b-cupsreject">cupsreject</primary>
537 </indexterm>
538 </listitem>
539 </varlistentry>
540
541 <varlistentry id="cupstestppd">
542 <term><command>cupstestppd</command></term>
543 <listitem>
544 <para>
545 tests the conformance of PPD files
546 </para>
547 <indexterm zone="cups cupstestppd">
548 <primary sortas="b-cupstestppd">cupstestppd</primary>
549 </indexterm>
550 </listitem>
551 </varlistentry>
552
553 <varlistentry id="ippeveprinter">
554 <term><command>ippeveprinter</command></term>
555 <listitem>
556 <para>
557 is an IPP Everywhere printer for CUPS
558 </para>
559 <indexterm zone="cups ippeveprinter">
560 <primary sortas="b-ippeveprinter">ippeveprinter</primary>
561 </indexterm>
562 </listitem>
563 </varlistentry>
564
565 <varlistentry id="ippfind">
566 <term><command>ippfind</command></term>
567 <listitem>
568 <para>
569 finds Internet Printing Protocol printers
570 </para>
571 <indexterm zone="cups ippfind">
572 <primary sortas="b-ippfind">ippfind</primary>
573 </indexterm>
574 </listitem>
575 </varlistentry>
576
577 <varlistentry id="ipptool">
578 <term><command>ipptool</command></term>
579 <listitem>
580 <para>
581 sends IPP requests to the specified URI and tests
582 and/or displays the results
583 </para>
584 <indexterm zone="cups ipptool">
585 <primary sortas="b-ipptool">ipptool</primary>
586 </indexterm>
587 </listitem>
588 </varlistentry>
589
590 <varlistentry id="lp-cups">
591 <term><command>lp</command></term>
592 <listitem>
593 <para>
594 submits files for printing or alters a pending job
595 </para>
596 <indexterm zone="cups lp-cups">
597 <primary sortas="b-lp">lp</primary>
598 </indexterm>
599 </listitem>
600 </varlistentry>
601
602 <varlistentry id="lpadmin">
603 <term><command>lpadmin</command></term>
604 <listitem>
605 <para>
606 configures printer and class queues provided by
607 <application>Cups</application>
608 </para>
609 <indexterm zone="cups lpadmin">
610 <primary sortas="b-lpadmin">lpadmin</primary>
611 </indexterm>
612 </listitem>
613 </varlistentry>
614
615 <varlistentry id="lpc-cups">
616 <term><command>lpc</command></term>
617 <listitem>
618 <para>
619 provides limited control over printer and class queues
620 provided by <application>Cups</application>
621 </para>
622 <indexterm zone="cups lpc-cups">
623 <primary sortas="b-lpc">lpc</primary>
624 </indexterm>
625 </listitem>
626 </varlistentry>
627
628 <varlistentry id="lpinfo">
629 <term><command>lpinfo</command></term>
630 <listitem>
631 <para>
632 lists the available devices or drivers known to the
633 <application>Cups</application> server
634 </para>
635 <indexterm zone="cups lpinfo">
636 <primary sortas="b-lpinfo">lpinfo</primary>
637 </indexterm>
638 </listitem>
639 </varlistentry>
640
641 <varlistentry id="lpmove">
642 <term><command>lpmove</command></term>
643 <listitem>
644 <para>
645 moves the specified job to a new destination
646 </para>
647 <indexterm zone="cups lpmove">
648 <primary sortas="b-lpmove">lpmove</primary>
649 </indexterm>
650 </listitem>
651 </varlistentry>
652
653 <varlistentry id="lpoptions">
654 <term><command>lpoptions</command></term>
655 <listitem>
656 <para>
657 displays or sets printer options and defaults
658 </para>
659 <indexterm zone="cups lpoptions">
660 <primary sortas="b-lpoptions">lpoptions</primary>
661 </indexterm>
662 </listitem>
663 </varlistentry>
664
665 <varlistentry id="lpq-cups">
666 <term><command>lpq</command></term>
667 <listitem>
668 <para>
669 shows the current print queue status on the named printer
670 </para>
671 <indexterm zone="cups lpq-cups">
672 <primary sortas="b-lpq">lpq</primary>
673 </indexterm>
674 </listitem>
675 </varlistentry>
676
677 <varlistentry id="lpr-cups">
678 <term><command>lpr</command></term>
679 <listitem>
680 <para>
681 submits files for printing
682 </para>
683 <indexterm zone="cups lpr-cups">
684 <primary sortas="b-lpr">lpr</primary>
685 </indexterm>
686 </listitem>
687 </varlistentry>
688
689 <varlistentry id="lprm-cups">
690 <term><command>lprm</command></term>
691 <listitem>
692 <para>
693 cancels print jobs that have been queued for printing
694 </para>
695 <indexterm zone="cups lprm-cups">
696 <primary sortas="b-lprm">lprm</primary>
697 </indexterm>
698 </listitem>
699 </varlistentry>
700
701 <varlistentry id="lpstat-cups">
702 <term><command>lpstat</command></term>
703 <listitem>
704 <para>
705 displays status information about the current classes, jobs,
706 and printers
707 </para>
708 <indexterm zone="cups lpstat-cups">
709 <primary sortas="b-lpstat">lpstat</primary>
710 </indexterm>
711 </listitem>
712 </varlistentry>
713
714 <varlistentry id="ppdc">
715 <term><command>ppdc</command></term>
716 <listitem>
717 <para>
718 compiles PPDC source files into one or more PPD files
719 </para>
720 <indexterm zone="cups ppdc">
721 <primary sortas="b-ppdc">ppdc</primary>
722 </indexterm>
723 </listitem>
724 </varlistentry>
725
726 <varlistentry id="ppdhtml">
727 <term><command>ppdhtml</command></term>
728 <listitem>
729 <para>
730 reads a driver information file and produces a HTML summary
731 page that lists all of the drivers in a file and the
732 supported options
733 </para>
734 <indexterm zone="cups ppdhtml">
735 <primary sortas="b-ppdhtml">ppdhtml</primary>
736 </indexterm>
737 </listitem>
738 </varlistentry>
739
740 <varlistentry id="ppdi">
741 <term><command>ppdi</command></term>
742 <listitem>
743 <para>
744 imports one or more PPD files into a PPD compiler source file
745 </para>
746 <indexterm zone="cups ppdi">
747 <primary sortas="b-ppdi">ppdi</primary>
748 </indexterm>
749 </listitem>
750 </varlistentry>
751
752 <varlistentry id="ppdmerge">
753 <term><command>ppdmerge</command></term>
754 <listitem>
755 <para>
756 merges two or more PPD files into a single, multi-language
757 PPD file
758 </para>
759 <indexterm zone="cups ppdmerge">
760 <primary sortas="b-ppdmerge">ppdmerge</primary>
761 </indexterm>
762 </listitem>
763 </varlistentry>
764
765 <varlistentry id="ppdpo">
766 <term><command>ppdpo</command></term>
767 <listitem>
768 <para>
769 extracts UI strings from PPDC source files and
770 updates either a GNU gettext or Mac OS X strings
771 format message catalog source file for translation
772 </para>
773 <indexterm zone="cups ppdpo">
774 <primary sortas="b-ppdpo">ppdpo</primary>
775 </indexterm>
776 </listitem>
777 </varlistentry>
778
779 <varlistentry id="libcups">
780 <term><filename class="libraryfile">libcups.so</filename></term>
781 <listitem>
782 <para>
783 contains the <application>Cups</application> API functions
784 </para>
785 <indexterm zone="cups libcups">
786 <primary sortas="c-libcups">libcups.so</primary>
787 </indexterm>
788 </listitem>
789 </varlistentry>
790
791 </variablelist>
792
793 </sect2>
794
795</sect1>
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