source: pst/printing/cups.xml@ 9501a015

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Last change on this file since 9501a015 was 9501a015, checked in by Bruce Dubbs <bdubbs@…>, 2 years ago

Package updates.
Update to vim-8.2.4236.
Update to git-2.35.1.
Update to accountsservice-22.04.62.
Update to cups-2.4.1.
Update to pipewire-0.3.44.

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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 "c2e5143d06f21e19ea2b73913185656f">
10 <!ENTITY cups-size "7.7 MB">
11 <!ENTITY cups-buildsize "60 MB (Add 25 MB for tests)">
12 <!ENTITY cups-time "0.5 SBU (Add 0.1 SBU for tests)">
13]>
14
15<sect1 id="cups" xreflabel="Cups-&cups-version;">
16 <?dbhtml filename="cups.html"?>
17
18 <sect1info>
19 <date>$Date$</date>
20 </sect1info>
21
22 <title>Cups-&cups-version;</title>
23
24 <indexterm zone="cups">
25 <primary sortas="a-Cups">Cups</primary>
26 </indexterm>
27
28 <sect2 role="package">
29 <title>Introduction to Cups</title>
30
31 <para>
32 The Common Unix Printing System (CUPS) is a print spooler and
33 associated utilities. It is based on the "Internet Printing
34 Protocol" and provides printing services to most PostScript
35 and raster printers.
36 </para>
37
38 &lfs110a_checked;
39
40 <bridgehead renderas="sect3">Package Information</bridgehead>
41 <itemizedlist spacing="compact">
42 <listitem>
43 <para>
44 Download (HTTP): <ulink url="&cups-download-http;"/>
45 </para>
46 </listitem>
47 <listitem>
48 <para>
49 Download (FTP): <ulink url="&cups-download-ftp;"/>
50 </para>
51 </listitem>
52 <listitem>
53 <para>
54 Download MD5 sum: &cups-md5sum;
55 </para>
56 </listitem>
57 <listitem>
58 <para>
59 Download size: &cups-size;
60 </para>
61 </listitem>
62 <listitem>
63 <para>
64 Estimated disk space required: &cups-buildsize;
65 </para>
66 </listitem>
67 <listitem>
68 <para>
69 Estimated build time: &cups-time;
70 </para>
71 </listitem>
72 </itemizedlist>
73
74 <bridgehead renderas="sect3">Cups Dependencies</bridgehead>
75
76 <bridgehead renderas="sect4">Required</bridgehead>
77 <para role="required">
78 <xref linkend="gnutls"/>
79 </para>
80
81 <bridgehead renderas="sect4">Recommended</bridgehead>
82 <para role="recommended">
83 <xref linkend="colord"/>,
84 <xref linkend="dbus"/>,
85 <xref linkend="libusb"/>,
86 <xref linkend="linux-pam"/>, and
87 <xref linkend="xdg-utils"/>
88 </para>
89
90 <bridgehead renderas="sect4">Optional</bridgehead>
91 <para role="optional">
92 <xref linkend="avahi"/>,
93 <xref linkend="libpaper"/>,
94 <xref linkend="llvm"/> (with <command>clang</command>),
95 <xref linkend="mitkrb"/>,
96 <!--<xref linkend="openjdk"/>, Not found in 2.4.0 -->
97 <xref linkend="php"/>, and
98 <xref linkend="python2"/>
99 </para>
100
101 <bridgehead renderas="sect4">Required (Postinstall)</bridgehead>
102 <para role="required">
103 <xref role="runtime" linkend="cups-filters"/>
104 </para>
105
106 <bridgehead renderas="sect4">Optional (Postinstall)</bridgehead>
107 <para role="optional">
108 <xref role="runtime" linkend="gutenprint"/> and
109 <ulink role="runtime" url="https://developers.hp.com/hp-linux-imaging-and-printing">hplip</ulink> (HP printers)
110 </para>
111
112 <para condition="html" role="usernotes">User Notes:
113 <ulink url="&blfs-wiki;/cups"/>
114 </para>
115 </sect2>
116
117 <sect2 role="kernel" id="cups-kernel">
118 <title>Kernel Configuration</title>
119
120 <note>
121 <para>
122 There used to be a conflict between the <application>Cups</application>
123 <application>libusb</application> backend and the usblp kernel driver.
124 This is no longer the case and cups will work with both of these
125 enabled.
126 </para>
127 </note>
128
129 <para>
130 If you want to use the kernel usblp driver (for example, if you wish to
131 use <application>escputil</application> from <xref
132 linkend="gutenprint"/>) enable the following options in your kernel
133 configuration and recompile the kernel:
134 </para>
135
136<screen><literal>Device Drivers ---&gt;
137 [*] USB support ---&gt; [CONFIG_USB_SUPPORT]
138 &lt;*/M&gt; OHCI HCD (USB 1.1) support [CONFIG_USB_OHCI_HCD]
139 &lt;*/M&gt; UHCI HCD (most Intel and VIA) support [CONFIG_USB_UHCI_HCD]
140 &lt;*/M&gt; USB Printer support [CONFIG_USB_PRINTER]</literal></screen>
141
142 <para>
143 If you have a parallel printer, enable the following options in your
144 kernel configuration and recompile the kernel:
145 </para>
146
147<screen><literal>Device Drivers ---&gt;
148 &lt;*/M&gt; Parallel port support ---&gt; [CONFIG_PARPORT]
149 &lt;*/M&gt; PC-style hardware [CONFIG_PARPORT_PC]
150 Character devices ---&gt;
151 &lt;*/M&gt; Parallel printer support [CONFIG_PRINTER]</literal></screen>
152
153 <indexterm zone="cups cups-kernel">
154 <primary sortas="d-cups">cups</primary>
155 </indexterm>
156
157 </sect2>
158
159 <sect2 role="installation">
160 <title>Installation of Cups</title>
161
162 <para>
163 You will need to add an <systemitem class="username">lp</systemitem>
164 user, as <application>Cups</application> will create some files owned
165 by this user. (The <systemitem class="username">lp</systemitem> user
166 is the default used by <application>Cups</application>, but may be
167 changed to a different user by passing a parameter to the
168 <command>configure</command> script.) Use the following command as
169 the <systemitem class="username">root</systemitem> user:
170 </para>
171
172<screen role="root"><userinput>useradd -c "Print Service User" -d /var/spool/cups -g lp -s /bin/false -u 9 lp</userinput></screen>
173
174 <para>
175 You will also need a dedicated group that will contain users allowed to
176 do <application>Cups</application> administrative tasks. Add the group
177 by running the following command as the
178 <systemitem class="username">root</systemitem> user:
179 </para>
180
181<screen role="root"><userinput>groupadd -g 19 lpadmin</userinput></screen>
182
183 <para>
184 If you want to add a user to the <application>Cups</application>
185 administrative group, run the following command as the
186 <systemitem class="username">root</systemitem> user:
187 </para>
188
189<screen role="root"><userinput>usermod -a -G lpadmin <replaceable>&lt;username&gt;</replaceable></userinput></screen>
190
191 <para>
192 If you didn't install <xref linkend="xdg-utils"/>, use the following
193 <command>sed</command> to change the default browser that will be used
194 to access the <application>Cups</application> web interface:
195 </para>
196
197<screen><userinput>sed -i 's#@CUPS_HTMLVIEW@#firefox#' desktop/cups.desktop.in</userinput></screen>
198
199 <para>
200 Replace <command>firefox</command> with the web browser of your
201 choice.
202 </para>
203
204 <para>
205 Upstream perfers <command>clang</command> than <command>gcc</command>,
206 but the building system will try to use a compiler warning option
207 unsupported by <command>clang</command>. If <command>clang</command> is
208 installed, remove this warning option:
209 </para>
210
211<screen><userinput>sed -e "s/format-truncation//" \
212 -i configure \
213 config-scripts/cups-compiler.m4</userinput></screen>
214
215 <para revision="systemd">
216 Fix a bug that causes the <filename>cups.service</filename> systemd unit
217 to be placed into a non-existent target:
218 </para>
219
220<screen revision="systemd"><userinput remap="pre">sed -e "s/printers.target/printer.target/" \
221 -i configure \
222 config-scripts/cups-defaults.m4</userinput></screen>
223
224 <para>
225 Build <application>Cups</application> by running the following commands:
226 </para>
227
228<screen revision="sysv"><userinput>./configure --libdir=/usr/lib \
229 --disable-systemd \
230 --with-rcdir=/tmp/cupsinit \
231 --with-system-groups=lpadmin \
232 --with-docdir=/usr/share/cups/doc-&cups-version; &amp;&amp;
233make</userinput></screen>
234
235<screen revision="systemd"><userinput>./configure --libdir=/usr/lib \
236 --with-system-groups=lpadmin \
237 --with-docdir=/usr/share/cups/doc-&cups-version; &amp;&amp;
238make</userinput></screen>
239
240 <para>
241 To test the results, issue: <command>LC_ALL=C make -k check</command>. An already
242 active graphical session with bus address is necessary to run the tests.
243 Make sure that there is not other instance of <application>Cups</application>
244 running, otherwise at least 4 tests will fail with "address in use".
245 One test, <filename>httpAddrGetList</filename>, is known to fail.
246 </para>
247
248 <para>
249 Now, as the <systemitem class="username">root</systemitem> user:
250 </para>
251
252<!-- dev note: make BUILDROOT=<DESTDIR> install -->
253
254<screen role="root"><userinput>make install &amp;&amp;
255ln -svnf ../cups/doc-&cups-version; /usr/share/doc/cups-&cups-version;</userinput></screen>
256
257 <para revision="sysv">
258 Remove the shipped bootscript, which is incompatible with LFS:
259 </para>
260
261<screen role="root" revision="sysv"><userinput>rm -rf /tmp/cupsinit &amp;&amp;</userinput></screen>
262
263 <para>
264 Create a basic <application>Cups</application> client configuration file
265 by running the following command as the <systemitem
266 class="username">root</systemitem> user:
267 </para>
268
269<screen role="root"><userinput>echo "ServerName /run/cups/cups.sock" > /etc/cups/client.conf</userinput></screen>
270
271 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
272 href="../../xincludes/gtk-update-icon-cache.xml"/>
273
274 </sect2>
275
276 <sect2 role="commands">
277 <title>Command Explanations</title>
278
279 <para>
280 <command>sed ... configure</command>: This sed removes a compiler
281 option which is no longer supported. Leaving this change out, the
282 compilation will run thru but a warning about an invalid
283 warning option will be emitted on every compiler invocation.
284 </para>
285<!--
286 <para>
287 <command>sed ... tools/ipptool.c</command>: This sed fixes a bug caused
288 by glibc-2.30 changing the user-space API for sockets.
289 </para>
290-->
291 <para>
292 <envar>CC=gcc CXX=g++</envar>: Setting them if you prefer to use
293 <command>gcc</command> instead of <command>clang</command>, which is
294 now preferred by the upstream.
295 </para>
296
297 <para revision="sysv">
298 <parameter>--disable-systemd</parameter>: Systemd is not supported by
299 this version of BLFS.
300 </para>
301
302 <para revision="sysv">
303 <parameter>--with-rcdir=/tmp/cupsinit</parameter>: This switch tells the
304 build process to install the shipped bootscript into <filename
305 class="directory">/tmp</filename> instead of <filename
306 class="directory">/etc/rc.d</filename>.
307 </para>
308
309 <para>
310 <parameter>--with-system-groups=lpadmin</parameter>: This switch ensures
311 that only <systemitem class="groupname">lpadmin</systemitem> will be used
312 as the <application>Cups</application> administrative group.
313 </para>
314
315 <para>
316 <option>--disable-libusb</option>: Use this switch if you have installed
317 <xref linkend="libusb"/>, but wish to use the kernel usblp driver.
318 </para>
319
320 <para>
321 <option>--enable-libpaper</option>: Use this switch if you have installed
322 <application>libpaper</application> and wish to use it with
323 <application>Cups</application>.
324 </para>
325
326 </sect2>
327
328 <sect2 role="configuration">
329 <title>Configuring Cups</title>
330
331 <sect3 id="cups-config">
332 <title>Config Files</title>
333
334 <para>
335 <filename>/etc/cups/*</filename>
336 </para>
337
338 <indexterm zone="cups cups-config">
339 <primary sortas="e-etc-cups">/etc/cups/*</primary>
340 </indexterm>
341
342 </sect3>
343
344 <sect3>
345 <title>Configuration Information</title>
346
347 <para>
348 Normally, printers are set up via a web browser. The
349 <application>Cups</application> server will normally connect via
350 the url http://localhost:631. From there printers, print
351 jobs, and the server configuration can be set up and managed.
352 Remote system administration can also be set up. Configuration
353 can also be done from the command line via the
354 <command>lpadmin</command>, <command>lpoptions</command>,
355 and <command>lpstat</command> commands.
356 </para>
357
358 <para>
359 Configuration of <application>Cups</application> is dependent on
360 the type of printer and can be complex. Generally, PostScript printers
361 are easier. For detailed instructions on configuration and use of
362 <application>Cups</application>, see <ulink
363 url="http://www.cups.org/documentation.php"/>.
364 </para>
365
366 <para>
367 For non-PostScript printers to print with
368 <application>Cups</application>, you need to install <xref
369 linkend="gs"/> to convert PostScript to raster images and a driver
370 (e.g. from <xref linkend="gutenprint"/>) to convert the resulting
371 raster images to a form that the printer understands. <ulink
372 url="https://wiki.linuxfoundation.org/openprinting/database/foomatic">Foomatic</ulink>
373 drivers use <xref linkend="gs"/> to convert PostScript to a printable
374 form directly, but this is considered suboptimal by
375 <application>Cups</application> developers.
376 </para>
377
378 </sect3>
379
380 <sect3>
381 <title>Linux PAM Configuration</title>
382
383 <para>
384 If <application>CUPS</application> has been built with
385 <application>Linux PAM</application> support, you need to create a
386 <application>PAM</application> configuration file to get it working
387 correctly with BLFS.
388 </para>
389
390 <para>
391 Issue the following command as the <systemitem
392 class="username">root</systemitem> user to create the configuration
393 file for <application>Linux PAM</application>:
394 </para>
395
396<screen role="root"><userinput>cat &gt; /etc/pam.d/cups &lt;&lt; "EOF"
397<literal># Begin /etc/pam.d/cups
398
399auth include system-auth
400account include system-account
401session include system-session
402
403# End /etc/pam.d/cups</literal>
404EOF</userinput></screen>
405
406 </sect3>
407
408 <sect3 id="cups-init">
409 <title><phrase revision="sysv">Boot Script</phrase>
410 <phrase revision="systemd">Systemd Unit</phrase></title>
411
412 <para revision="sysv">
413 If you want the <application>Cups</application> print service to start
414 automatically when the system is booted, install the init script
415 included in the <xref linkend="bootscripts"/> package:
416 </para>
417
418 <para revision="systemd">
419 To start the <command>cupsd</command> daemon when something tries to
420 access it, enable the previously installed systemd units by running
421 the following command as the
422 <systemitem class="username">root</systemitem> user:
423 </para>
424
425 <indexterm zone="cups cups-init">
426 <primary sortas="f-cups">cups</primary>
427 </indexterm>
428
429<screen role="root" revision="sysv"><userinput>make install-cups</userinput></screen>
430
431<screen role="root" revision="systemd"><userinput>systemctl enable cups</userinput></screen>
432
433 </sect3>
434
435 </sect2>
436
437 <sect2 role="content">
438 <title>Contents</title>
439
440 <segmentedlist>
441 <segtitle>Installed Programs</segtitle>
442 <segtitle>Installed Libraries</segtitle>
443 <segtitle>Installed Directories</segtitle>
444
445 <seglistitem>
446 <seg>
447 <!--accept,--> cancel, cupsaccept, <!--cupsaddsmb,--> cups-config,
448 cupsctl, cupsd, cupsdisable, cupsenable, cupsfilter, cupsreject,
449 <!--cupstestdsc,--> cupstestppd, ippeveprinter,<!-- ippfind--> ipptool, lp,
450 lpadmin, lpc, lpinfo, lpmove, lpoptions, lpq, lpr, lprm, lpstat, ppdc,
451 ppdhtml, ppdi, ppdmerge, and ppdpo <!--and reject-->
452 </seg>
453 <seg>
454 <!--libcupscgi.so,--> libcupsimage.so <!--libcupsmime.so,-->
455 <!--libcupsppdc.so,--> and libcups.so
456 </seg>
457 <seg>
458 /etc/cups,
459 /usr/{include,lib,share}/cups,
460 /usr/share/doc/cups-&cups-version;, and
461 /var/{cache,log,run,spool}/cups
462 </seg>
463 </seglistitem>
464 </segmentedlist>
465
466 <variablelist>
467 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
468 <?dbfo list-presentation="list"?>
469 <?dbhtml list-presentation="table"?>
470
471 <!--
472 <varlistentry id="accept">
473 <term><command>accept</command></term>
474 <listitem>
475 <para>
476 instructs the printing system to accept print jobs to the
477 specified destinations.
478 </para>
479 <indexterm zone="cups accept">
480 <primary sortas="b-accept">accept</primary>
481 </indexterm>
482 </listitem>
483 </varlistentry>
484 -->
485
486 <varlistentry id="cancel-cups">
487 <term><command>cancel</command></term>
488 <listitem>
489 <para>
490 cancels existing print jobs from the print queues
491 </para>
492 <indexterm zone="cups cancel-cups">
493 <primary sortas="b-cancel">cancel</primary>
494 </indexterm>
495 </listitem>
496 </varlistentry>
497
498 <varlistentry id="cupsaccept">
499 <term><command>cupsaccept</command></term>
500 <listitem>
501 <para>
502 accept jobs sent to a destination
503 </para>
504 <indexterm zone="cups cupsaccept">
505 <primary sortas="b-cupsaccept">cupsaccept</primary>
506 </indexterm>
507 </listitem>
508 </varlistentry>
509
510<!--
511 <varlistentry id="cupsaddsmb">
512 <term><command>cupsaddsmb</command></term>
513 <listitem>
514 <para>
515 exports printers to the <application>Samba</application>
516 software for use with Windows clients.
517 </para>
518 <indexterm zone="cups cupsaddsmb">
519 <primary sortas="b-cupsaddsmb">cupsaddsmb</primary>
520 </indexterm>
521 </listitem>
522 </varlistentry>
523-->
524
525 <varlistentry id="cups-config-prog">
526 <term><command>cups-config</command></term>
527 <listitem>
528 <para>
529 is a <application>Cups</application>
530 program configuration utility
531 </para>
532 <indexterm zone="cups cups-config-prog">
533 <primary sortas="b-cups-config">cups-config</primary>
534 </indexterm>
535 </listitem>
536 </varlistentry>
537
538 <varlistentry id="cupsctl">
539 <term><command>cupsctl</command></term>
540 <listitem>
541 <para>
542 updates or queries the cupsd.conf file for a server
543 </para>
544 <indexterm zone="cups cupsctl">
545 <primary sortas="b-cupsctl">cupsctl</primary>
546 </indexterm>
547 </listitem>
548 </varlistentry>
549
550 <varlistentry id="cupsd">
551 <term><command>cupsd</command></term>
552 <listitem>
553 <para>
554 is the scheduler for the Common Unix Printing System
555 </para>
556 <indexterm zone="cups cupsd">
557 <primary sortas="b-cupsd">cupsd</primary>
558 </indexterm>
559 </listitem>
560 </varlistentry>
561
562 <varlistentry id="cupsdisable">
563 <term><command>cupsdisable</command></term>
564 <listitem>
565 <para>
566 stop printers and classes
567 </para>
568 <indexterm zone="cups cupsdisable">
569 <primary sortas="b-cupsdisable">cupsdisable</primary>
570 </indexterm>
571 </listitem>
572 </varlistentry>
573
574 <varlistentry id="cupsenable">
575 <term><command>cupsenable</command></term>
576 <listitem>
577 <para>
578 start printers and classes
579 </para>
580 <indexterm zone="cups cupsenable">
581 <primary sortas="b-cupsenable">cupsenable</primary>
582 </indexterm>
583 </listitem>
584 </varlistentry>
585
586 <varlistentry id="cupsfilter">
587 <term><command>cupsfilter</command></term>
588 <listitem>
589 <para>
590 is a front-end to the <application>Cups</application>
591 filter subsystem which allows you to convert a file
592 to a specific format
593 </para>
594 <indexterm zone="cups cupsfilter">
595 <primary sortas="b-cupsfilter">cupsfilter</primary>
596 </indexterm>
597 </listitem>
598 </varlistentry>
599
600 <varlistentry id="cupsreject">
601 <term><command>cupsreject</command></term>
602 <listitem>
603 <para>
604 reject jobs sent to a destination
605 </para>
606 <indexterm zone="cups cupsreject">
607 <primary sortas="b-cupsreject">cupsreject</primary>
608 </indexterm>
609 </listitem>
610 </varlistentry>
611<!--
612 <varlistentry id="cupstestdsc">
613 <term><command>cupstestdsc</command></term>
614 <listitem>
615 <para>
616 tests the conformance of PostScript files.
617 </para>
618 <indexterm zone="cups cupstestdsc">
619 <primary sortas="b-cupstestdsc">cupstestdsc</primary>
620 </indexterm>
621 </listitem>
622 </varlistentry>
623-->
624
625 <varlistentry id="cupstestppd">
626 <term><command>cupstestppd</command></term>
627 <listitem>
628 <para>
629 tests the conformance of PPD files
630 </para>
631 <indexterm zone="cups cupstestppd">
632 <primary sortas="b-cupstestppd">cupstestppd</primary>
633 </indexterm>
634 </listitem>
635 </varlistentry>
636
637 <varlistentry id="ippeveprinter">
638 <term><command>ippeveprinter</command></term>
639 <listitem>
640 <para>
641 is an IPP Everywhere printer for CUPS
642 </para>
643 <indexterm zone="cups ippeveprinter">
644 <primary sortas="b-ippeveprinter">ippeveprinter</primary>
645 </indexterm>
646 </listitem>
647 </varlistentry>
648<!--
649 <varlistentry id="ippfind">
650 <term><command>ippfind</command></term>
651 <listitem>
652 <para>
653 finds internet printing protocol printers
654 </para>
655 <indexterm zone="cups ippfind">
656 <primary sortas="b-ippfind">ippfind</primary>
657 </indexterm>
658 </listitem>
659 </varlistentry>
660-->
661 <varlistentry id="ipptool">
662 <term><command>ipptool</command></term>
663 <listitem>
664 <para>
665 sends IPP requests to the specified URI and tests
666 and/or displays the results
667 </para>
668 <indexterm zone="cups ipptool">
669 <primary sortas="b-ipptool">ipptool</primary>
670 </indexterm>
671 </listitem>
672 </varlistentry>
673
674 <varlistentry id="lp-cups">
675 <term><command>lp</command></term>
676 <listitem>
677 <para>
678 submits files for printing or alters a pending job
679 </para>
680 <indexterm zone="cups lp-cups">
681 <primary sortas="b-lp">lp</primary>
682 </indexterm>
683 </listitem>
684 </varlistentry>
685
686 <varlistentry id="lpadmin">
687 <term><command>lpadmin</command></term>
688 <listitem>
689 <para>
690 configures printer and class queues provided by
691 <application>Cups</application>
692 </para>
693 <indexterm zone="cups lpadmin">
694 <primary sortas="b-lpadmin">lpadmin</primary>
695 </indexterm>
696 </listitem>
697 </varlistentry>
698
699 <varlistentry id="lpc-cups">
700 <term><command>lpc</command></term>
701 <listitem>
702 <para>
703 provides limited control over printer and class queues
704 provided by <application>Cups</application>
705 </para>
706 <indexterm zone="cups lpc-cups">
707 <primary sortas="b-lpc">lpc</primary>
708 </indexterm>
709 </listitem>
710 </varlistentry>
711
712 <varlistentry id="lpinfo">
713 <term><command>lpinfo</command></term>
714 <listitem>
715 <para>
716 lists the available devices or drivers known to the
717 <application>Cups</application> server
718 </para>
719 <indexterm zone="cups lpinfo">
720 <primary sortas="b-lpinfo">lpinfo</primary>
721 </indexterm>
722 </listitem>
723 </varlistentry>
724
725 <varlistentry id="lpmove">
726 <term><command>lpmove</command></term>
727 <listitem>
728 <para>
729 moves the specified job to a new destination
730 </para>
731 <indexterm zone="cups lpmove">
732 <primary sortas="b-lpmove">lpmove</primary>
733 </indexterm>
734 </listitem>
735 </varlistentry>
736
737 <varlistentry id="lpoptions">
738 <term><command>lpoptions</command></term>
739 <listitem>
740 <para>
741 displays or sets printer options and defaults
742 </para>
743 <indexterm zone="cups lpoptions">
744 <primary sortas="b-lpoptions">lpoptions</primary>
745 </indexterm>
746 </listitem>
747 </varlistentry>
748
749 <varlistentry id="lpq-cups">
750 <term><command>lpq</command></term>
751 <listitem>
752 <para>
753 shows the current print queue status on the named printer
754 </para>
755 <indexterm zone="cups lpq-cups">
756 <primary sortas="b-lpq">lpq</primary>
757 </indexterm>
758 </listitem>
759 </varlistentry>
760
761 <varlistentry id="lpr-cups">
762 <term><command>lpr</command></term>
763 <listitem>
764 <para>
765 submits files for printing
766 </para>
767 <indexterm zone="cups lpr-cups">
768 <primary sortas="b-lpr">lpr</primary>
769 </indexterm>
770 </listitem>
771 </varlistentry>
772
773 <varlistentry id="lprm-cups">
774 <term><command>lprm</command></term>
775 <listitem>
776 <para>
777 cancels print jobs that have been queued for printing
778 </para>
779 <indexterm zone="cups lprm-cups">
780 <primary sortas="b-lprm">lprm</primary>
781 </indexterm>
782 </listitem>
783 </varlistentry>
784
785 <varlistentry id="lpstat-cups">
786 <term><command>lpstat</command></term>
787 <listitem>
788 <para>
789 displays status information about the current classes, jobs,
790 and printers
791 </para>
792 <indexterm zone="cups lpstat-cups">
793 <primary sortas="b-lpstat">lpstat</primary>
794 </indexterm>
795 </listitem>
796 </varlistentry>
797
798 <varlistentry id="ppdc">
799 <term><command>ppdc</command></term>
800 <listitem>
801 <para>
802 compiles PPDC source files into one or more PPD files
803 </para>
804 <indexterm zone="cups ppdc">
805 <primary sortas="b-ppdc">ppdc</primary>
806 </indexterm>
807 </listitem>
808 </varlistentry>
809
810 <varlistentry id="ppdhtml">
811 <term><command>ppdhtml</command></term>
812 <listitem>
813 <para>
814 reads a driver information file and produces a HTML summary
815 page that lists all of the drivers in a file and the
816 supported options
817 </para>
818 <indexterm zone="cups ppdhtml">
819 <primary sortas="b-ppdhtml">ppdhtml</primary>
820 </indexterm>
821 </listitem>
822 </varlistentry>
823
824 <varlistentry id="ppdi">
825 <term><command>ppdi</command></term>
826 <listitem>
827 <para>
828 imports one or more PPD files into a PPD compiler source file
829 </para>
830 <indexterm zone="cups ppdi">
831 <primary sortas="b-ppdi">ppdi</primary>
832 </indexterm>
833 </listitem>
834 </varlistentry>
835
836 <varlistentry id="ppdmerge">
837 <term><command>ppdmerge</command></term>
838 <listitem>
839 <para>
840 merges two or more PPD files into a single, multi-language
841 PPD file
842 </para>
843 <indexterm zone="cups ppdmerge">
844 <primary sortas="b-ppdmerge">ppdmerge</primary>
845 </indexterm>
846 </listitem>
847 </varlistentry>
848
849 <varlistentry id="ppdpo">
850 <term><command>ppdpo</command></term>
851 <listitem>
852 <para>
853 extracts UI strings from PPDC source files and
854 updates either a GNU gettext or Mac OS X strings
855 format message catalog source file for translation
856 </para>
857 <indexterm zone="cups ppdpo">
858 <primary sortas="b-ppdpo">ppdpo</primary>
859 </indexterm>
860 </listitem>
861 </varlistentry>
862<!--
863 <varlistentry id="reject">
864 <term><command>reject</command></term>
865 <listitem>
866 <para>
867 instructs the printing system to reject print jobs to the
868 specified destinations.
869 </para>
870 <indexterm zone="cups reject">
871 <primary sortas="b-reject">reject</primary>
872 </indexterm>
873 </listitem>
874 </varlistentry>
875-->
876 <varlistentry id="libcups">
877 <term><filename class="libraryfile">libcups.so</filename></term>
878 <listitem>
879 <para>
880 contains the <application>Cups</application> API functions
881 </para>
882 <indexterm zone="cups libcups">
883 <primary sortas="c-libcups">libcups.so</primary>
884 </indexterm>
885 </listitem>
886 </varlistentry>
887
888 </variablelist>
889
890 </sect2>
891
892</sect1>
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