mirror of https://github.com/tLDP/LDP
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<?xml version="1.0"?>
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<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<article id="index">
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||||
<articleinfo>
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||||
<title>Debian and Windows Shared Printing mini-HOWTO</title>
|
||||
<author>
|
||||
<firstname>Ian</firstname>
|
||||
<surname>Ward</surname>
|
||||
<affiliation>
|
||||
<address>
|
||||
<email>ian at excess dot org</email>
|
||||
</address>
|
||||
</affiliation>
|
||||
</author>
|
||||
<pubdate>2002-12-01</pubdate>
|
||||
<revhistory>
|
||||
<revision>
|
||||
<revnumber>1.0</revnumber>
|
||||
<date>2003-05-15</date>
|
||||
<authorinitials>tmm</authorinitials>
|
||||
<revremark>Initial release, reviewed by LDP</revremark>
|
||||
</revision>
|
||||
<revision>
|
||||
<revnumber>0.8</revnumber>
|
||||
<date>2003-04-11</date>
|
||||
<authorinitials>iw</authorinitials>
|
||||
<revremark>converted from LaTeX</revremark>
|
||||
</revision>
|
||||
</revhistory>
|
||||
</articleinfo>
|
||||
|
||||
<sect1 id="introduction">
|
||||
<title>Introduction</title>
|
||||
<para>
|
||||
Debian GNU/Linux
|
||||
(<ulink url="http://www.debian.org">http://www.debian.org</ulink>)
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||||
is the premier volunteer-supported Linux distribution.
|
||||
Unfortunately, setting up printers in Debian can be difficult. Also,
|
||||
simple step-by-step instructions for sharing printers between Windows
|
||||
and Linux using the latest tools are hard to find. This HOWTO was
|
||||
written to address both problems.
|
||||
</para>
|
||||
<para>
|
||||
This HOWTO will demonstrate how to use command-line tools to configure your
|
||||
Debian system for printing. It will explain how to send documents
|
||||
from Linux to Windows printers and how to share Linux printers with
|
||||
Windows PCs. Some troubleshooting examples are also given.
|
||||
</para>
|
||||
<para>
|
||||
The primary url for this document is
|
||||
<ulink url="http://excess.org/docs/linux_windows_printing.html">
|
||||
http://excess.org/docs/linux_windows_printing.html</ulink>.
|
||||
The source Docbook/XML and EPS files for this document may be downloaded from
|
||||
<ulink url="http://excess.org/docs/src/">
|
||||
http://excess.org/docs/src/</ulink>.
|
||||
Please forward bug reports, corrections and suggestions regarding this document
|
||||
to ian at excess dot org.
|
||||
</para>
|
||||
|
||||
</sect1>
|
||||
<sect1 id="getting_started">
|
||||
<title>Getting Started</title>
|
||||
<sect2 id="linuxprintingcomponents">
|
||||
<title>Linux Printing Components</title>
|
||||
|
||||
<para>
|
||||
The main components we will be using include:
|
||||
<itemizedlist>
|
||||
<listitem>
|
||||
<para>
|
||||
CUPS
|
||||
</para>
|
||||
<para>
|
||||
The Common UNIX Printing System
|
||||
(<ulink url="http://www.cups.org">http://www.cups.org</ulink>)
|
||||
is a print spooler and a set
|
||||
of support programs for using and administering printers.
|
||||
</para>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<para>
|
||||
Samba
|
||||
</para>
|
||||
<para>
|
||||
Samba
|
||||
(<ulink url="http://www.samba.org">http://www.samba.org</ulink>)
|
||||
is software that allows non-Windows computers to act
|
||||
like Windows computers on a network by implementing Windows file
|
||||
and printer sharing protocols.
|
||||
</para>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<para>
|
||||
Printer Drivers
|
||||
</para>
|
||||
<para>
|
||||
LinuxPrinting.org
|
||||
(<ulink url="http://www.linuxprinting.org">http://www.linuxprinting.org</ulink>)
|
||||
offers the largest number of printer drivers
|
||||
and maintains a database of printers supported under Linux. You must
|
||||
download a printer driver for each model of printer you want to use
|
||||
from Linux. A printer driver consists of a PPD file and a filter
|
||||
program, or only a PPD file for PostScript printers.
|
||||
</para>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
<sect2 id="packages">
|
||||
<title>Required Packages</title>
|
||||
|
||||
<para>
|
||||
All of the required programs and libraries are part of the standard
|
||||
Debian archive. You may download and install these packages with the
|
||||
usual Debian packaging tools. The following is a list of packages
|
||||
you need:
|
||||
</para>
|
||||
<variablelist>
|
||||
<varlistentry>
|
||||
<term>cupsys</term>
|
||||
<listitem><para>CUPS server</para></listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>cupsys-bsd</term>
|
||||
<listitem><para>CUPS BSD commands</para></listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>cupsys-client</term>
|
||||
<listitem><para>CUPS client programs</para></listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>foomatic-bin</term>
|
||||
<listitem><para>LinuxPrinting.org printer support programs</para></listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>samba</term>
|
||||
<listitem><para>Samba SMB/CIFS server for UNIX</para></listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>smbclient</term>
|
||||
<listitem><para>Samba SMB/CIFS client for UNIX</para></listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>gs-esp</term>
|
||||
<listitem><para>ESP Ghostscript
|
||||
(<ulink url="http://www.cups.org/ghostscript.php">
|
||||
http://www.cups.org/ghostscript.php</ulink>)</para></listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>a2ps</term>
|
||||
<listitem><para>GNU A2PS
|
||||
(<ulink url="http://www.gnu.org/software/a2ps/">
|
||||
http://www.gnu.org/software/a2ps/</ulink>)</para></listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
|
||||
<para>
|
||||
The following commands will install these packages:
|
||||
</para>
|
||||
<para>
|
||||
<programlisting><![CDATA[
|
||||
apt-get update
|
||||
apt-get install cupsys cupsys-bsd cupsys-client foomatic-bin samba smbclient gs-esp a2ps
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
Additional packages may be required for specific printers. For example,
|
||||
the <emphasis>hpijs</emphasis> package must be installed for HP InkJet printers
|
||||
to function properly.
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
<sect2 id="basicprconfig">
|
||||
<title>CUPS Local Printer Configuration</title>
|
||||
|
||||
<para>
|
||||
The <command>lpadmin</command> command is used to configure printers. The
|
||||
following is an example of setting up a laser printer with CUPS:
|
||||
</para>
|
||||
|
||||
<programlisting><![CDATA[
|
||||
lpadmin -p Laser -v parallel:/dev/lp0 -P /root/laser.ppd
|
||||
enable Laser
|
||||
accept Laser
|
||||
lpadmin -d Laser
|
||||
]]></programlisting>
|
||||
|
||||
<para>
|
||||
The first command creates a new printer called <quote>Laser</quote>
|
||||
that is connected to the first parallel port and is using the PPD
|
||||
file <filename>/root/laser.ppd</filename>.
|
||||
<quote>Laser</quote> is then enabled and told to accept jobs with
|
||||
the <command>enable</command> and <command>accept</command> commands.
|
||||
The last command sets <quote>Laser</quote> as the default printer.
|
||||
More detailed information about printer configuration
|
||||
is available in the CUPS documentation.
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
<sect2 id="basics">
|
||||
<title>Linux Printing Basics</title>
|
||||
|
||||
<figure id="printlocal">
|
||||
<title>Printing Locally</title>
|
||||
<graphic fileref="printing_basics.png"/>
|
||||
</figure>
|
||||
|
||||
<para>
|
||||
Documents are spooled by using either <command>lpr</command> or
|
||||
<command>lp</command> followed
|
||||
by the file name. You may view the printer queue and check the printer
|
||||
status with the command <command>lpstat -o</command> or
|
||||
<command>lpstat -p</command>. To cancel a print job use either
|
||||
<command>cancel</command> or <command>lprm</command> followed by the job id.
|
||||
</para>
|
||||
<para>
|
||||
The CUPS spooler daemon is called <emphasis>cupsd</emphasis>.
|
||||
It converts documents
|
||||
to PostScript, then converts them to a format native to the printer
|
||||
<xref linkend="printlocal"/>. Printers that do not understand PostScript
|
||||
use a rasterized, or bitmap, format for documents. Rasterized formats
|
||||
can be much larger than the original PostScript, and will take longer
|
||||
to send to the printer.
|
||||
</para>
|
||||
<para>
|
||||
Filters are programs used to convert documents from one format to
|
||||
another. The CUPS spooler will do its best to find a suitable filter
|
||||
for the documents you send. If no filter suitable for converting your
|
||||
document is installed you will receive an error similar to <computeroutput>lpr:
|
||||
unable to print file: client-error-document-format-not-supported.</computeroutput>
|
||||
</para>
|
||||
<para>
|
||||
Many applications do not include filters for their documents formats.
|
||||
Documents created with these applications can only be printed from
|
||||
within the application itself, unless the document is exported to
|
||||
PostScript or another standard format.
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
</sect1>
|
||||
<sect1 id="printing_to_windows">
|
||||
<title>Printing To Windows PCs</title>
|
||||
|
||||
<sect2 id="to_windows">
|
||||
<title>Connecting To Windows</title>
|
||||
|
||||
<figure id="netprint">
|
||||
<title>Network Printing</title>
|
||||
<graphic fileref="to_windows.png"/>
|
||||
</figure>
|
||||
|
||||
<para>
|
||||
SMB and CIFS are the Windows file and printer sharing protocols.
|
||||
We use Samba to speak to the Windows PCs using these protocols. Before
|
||||
configuring CUPS we should make sure we can connect to the Windows
|
||||
PC with <command>smbclient</command>, the Samba SMB/CIFS client
|
||||
<xref linkend="netprint"/>.
|
||||
</para>
|
||||
<para>
|
||||
The following is an example of creating a connection to a Windows
|
||||
PC:
|
||||
|
||||
<programlisting><![CDATA[
|
||||
smbclient -L rice -N
|
||||
|
||||
added interface ip=10.6.7.234 bcast=10.6.7.255 nmask=255.255.255.0
|
||||
Got a positive name query response from 10.6.7.8 ( 10.6.7.8 )
|
||||
Sharename Type Comment
|
||||
PRINTER$ Disk
|
||||
INKJET Printer
|
||||
STUFF Disk
|
||||
IPC$ IPC Remote Inter Process Communication
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
The command shown asks for a list of shares on a Windows PC
|
||||
named <quote>rice</quote>, with no password given. The results
|
||||
show a printer named <quote>INKJET</quote>.
|
||||
</para>
|
||||
<para>
|
||||
If Windows naming service is unavailable you will need to specify
|
||||
the IP address of the Windows PC with the <option>-I</option> switch as in:
|
||||
|
||||
<programlisting><![CDATA[
|
||||
smbclient -I 10.6.7.8 -L rice -N
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
For more information see the Samba documentation about
|
||||
<command>smbclient</command> usage.
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
<sect2 id="to_windows_cupsconfig">
|
||||
<title>CUPS Configuration</title>
|
||||
<para>
|
||||
Once you have found a Windows printer you may configure CUPS. First
|
||||
verify that your installation of CUPS has the smb backend with the
|
||||
following command:
|
||||
<programlisting><![CDATA[
|
||||
ls -l /usr/lib/cups/backend/smb
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
If this file does not exist create it by issuing the following:
|
||||
<programlisting><![CDATA[
|
||||
ln -s `which smbspool` /usr/lib/cups/backend/smb
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
The following is an example of setting up the printer shown above:
|
||||
<programlisting><![CDATA[
|
||||
lpadmin -p RicePrinter -v smb://rice/INKJET -P /root/inkjet.ppd
|
||||
enable RicePrinter
|
||||
accept RicePrinter
|
||||
lpadmin -d RicePrinter
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
See <xref linkend="basicprconfig"/> for an explanation of the commands
|
||||
above. If Windows naming service is unavailable, add the switch
|
||||
<option>-h</option> followed by the IP address of the Windows PC
|
||||
to the first <command>lpadmin</command> command as in:
|
||||
|
||||
<programlisting><![CDATA[
|
||||
lpadmin -p RicePrinter -h 10.6.7.8 -i smb://rice/inkjet-P /root/inkjet.ppd
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
Your printer is now ready to test. Send a file to the printer with
|
||||
the <command>lp</command> command followed by a filename, or
|
||||
by printing a document from within an application.
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
</sect1>
|
||||
<sect1 id="sharing_with_windows">
|
||||
<title>Sharing Printers With Windows PCs</title>
|
||||
|
||||
<sect2 id="sharing_basics">
|
||||
<title>Sharing Basics</title>
|
||||
|
||||
<figure id="printshare">
|
||||
<title>Printer Sharing</title>
|
||||
<graphic fileref="from_windows.png"/>
|
||||
</figure>
|
||||
|
||||
<para>
|
||||
Samba uses <emphasis>nmbd</emphasis> and <emphasis>smbd</emphasis>
|
||||
daemons to share files and printers with Windows PCs.
|
||||
<emphasis>nmbd</emphasis> acts as a Windows naming service,
|
||||
broadcasting your computer's name to Windows PCs on the LAN.
|
||||
<emphasis>smbd</emphasis> accepts file and printer requests from
|
||||
Windows PCs <xref linkend="printshare"/>.
|
||||
</para>
|
||||
<para>
|
||||
You will need to download and install Windows printer drivers for
|
||||
each Linux printer you are sharing. Windows printer drivers can be
|
||||
found by searching the web site of your printer manufacturer.
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
<sect2 id="share_samba_config">
|
||||
<title>Samba Configuration</title>
|
||||
<para>
|
||||
If you are allowing anonymous access to your printer you will need
|
||||
to create a user account for remote print jobs:
|
||||
|
||||
<programlisting><![CDATA[
|
||||
adduser --system --disabled-password smbprint
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
This command adds a user called <quote>smbprint</quote> to your system. Make
|
||||
sure there is enough disk space in <filename>/home/smbprint</filename>, the
|
||||
<quote>smbprint</quote> user's home directory, to spool files. Check
|
||||
that the <quote>smbprint</quote> user does not have permission on your
|
||||
system to read or modify sensitive files and directories. If you have
|
||||
configured CUPS to restrict printing to certain users on your system,
|
||||
you must allow the <quote>smbprint</quote> user to access printers you
|
||||
want to share.
|
||||
</para>
|
||||
<para>
|
||||
The Samba configuration file is <filename>/etc/samba/smb.conf</filename>.
|
||||
The following is an example configuration file set up to use CUPS with
|
||||
the <quote>smbprint</quote> user:
|
||||
|
||||
<programlisting><![CDATA[
|
||||
[global]
|
||||
printcap name = cups
|
||||
printing = cups
|
||||
security = share
|
||||
[printers]
|
||||
browseable = yes
|
||||
printable = yes
|
||||
public = yes
|
||||
create mode = 0700
|
||||
guest only = yes
|
||||
guest account = smbprint
|
||||
path = /home/smbprint
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
Please note that this configuration will allow printing by anyone
|
||||
that can make a network connection to your computer and is
|
||||
not recommended for computers on untrusted networks, such as
|
||||
computers with direct Internet connections. If you need to
|
||||
implement access control, set <emphasis>security = user</emphasis> or
|
||||
<emphasis>security = domain</emphasis>
|
||||
and read the Samba man pages for further information.
|
||||
</para>
|
||||
<para>
|
||||
Once you have added the above settings to your Samba configuration
|
||||
file you must restart Samba with the command:
|
||||
|
||||
<programlisting><![CDATA[
|
||||
/etc/init.d/samba restart
|
||||
]]></programlisting>
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
<sect2 id="share_cups_config">
|
||||
<title>CUPS Configuration</title>
|
||||
<para>
|
||||
Windows printer drivers format their output for the printer before
|
||||
sending it across the network. You must configure CUPS to accept
|
||||
the pre-formatted output by uncommenting the following line from
|
||||
<filename>/etc/cups/mime.convs</filename>:
|
||||
<programlisting><![CDATA[
|
||||
application/octet-stream application/vnd.cups-raw 0 -
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
Also uncomment the following line from
|
||||
<filename>/etc/cups/mime.types</filename>:
|
||||
<programlisting><![CDATA[
|
||||
application/octet-stream
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
Now CUPS must be told to allow connections from other machines on
|
||||
the network. Add these lines to <filename>/etc/cups/cupsd.conf</filename>:
|
||||
<programlisting><![CDATA[
|
||||
<Location /printers>
|
||||
AuthType None
|
||||
Order Deny,Allow
|
||||
Deny From None
|
||||
Allow From All
|
||||
</Location>
|
||||
]]></programlisting>
|
||||
As in the Samba configuration, this configuration allows any computer
|
||||
to connect to your printers and is not recommended for computers on
|
||||
untrusted networks. For information about tightening access control
|
||||
to your printers, see the <filename>cupsd.conf</filename> man page
|
||||
and the CUPS documentation.
|
||||
</para>
|
||||
<para>
|
||||
Finally, restart cups with the following command:
|
||||
<programlisting><![CDATA[
|
||||
/etc/init.d/cupsys restart
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
Your Linux printers should now be shared to Windows PCs on the LAN.
|
||||
Follow the usual steps for adding a network printer to your Windows
|
||||
PCs, and remember to print a test page.
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
</sect1>
|
||||
<sect1 id="troubleshooting">
|
||||
<title>Troubleshooting</title>
|
||||
|
||||
<sect2 id="connect_failure">
|
||||
<title>Failing To Connect To Windows Printers</title>
|
||||
<para>
|
||||
When <emphasis>smbspool</emphasis>, the
|
||||
<command>smbclient</command> utility CUPS uses,
|
||||
fails to connect properly it emits error messages
|
||||
that are humorous but not very helpful. One such message is <computeroutput>Unable
|
||||
to connect to SAMBA host: Success.</computeroutput> Another sign of connection failures
|
||||
is when documents seem to get stuck on the queue when printing to
|
||||
Windows printers.
|
||||
</para>
|
||||
<para>
|
||||
View the most recent entries in the CUPS log with the following command:
|
||||
|
||||
<programlisting><![CDATA[
|
||||
tail /var/log/cups/error_log
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
If you see a message similar to <computeroutput>cli_connect() failed...</computeroutput> then
|
||||
<emphasis>smbspool</emphasis> could not find the Windows PC you are
|
||||
trying to connect to.
|
||||
Check the spelling of the Windows PC's host name. Check that the
|
||||
Windows PC is turned on and that its network connection is functioning
|
||||
properly. Make sure you can connect to it using
|
||||
<command>smbclient</command> as shown in <xref linkend="to_windows"/>.
|
||||
</para>
|
||||
<para>
|
||||
If you see a message similar to <computeroutput>SMB tree connect failed: ERRSRV
|
||||
- ERRinvnetname</computeroutput> then <command>smbclient</command> connected
|
||||
to the Windows PC
|
||||
but could not connect to the printer you requested. Check the spelling
|
||||
of the shared printer using <command>smbclient</command> as shown in
|
||||
<xref linkend="to_windows"/>.
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
<sect2 id="other_failure">
|
||||
<title>Other Failures</title>
|
||||
<para>
|
||||
Other failures include being unable to print to a local printer and
|
||||
having your print jobs disappear from the queue without being printed.
|
||||
You may also see vague error messages such as <computeroutput>Child process 2384
|
||||
exited with status 32.</computeroutput>
|
||||
</para>
|
||||
<para>
|
||||
Increase CUPS' logging level to <quote>debug</quote> to see more messages about
|
||||
what happened before the print job failed.
|
||||
</para>
|
||||
<orderedlist>
|
||||
<listitem>
|
||||
<para>
|
||||
Open the main CUPS configuration file <filename>/etc/cups/cupsd.conf</filename> in
|
||||
a text editor.
|
||||
</para>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<para>
|
||||
Change the line that reads <quote>LogLevel warn</quote> to <quote>LogLevel debug</quote>.
|
||||
</para>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<para>
|
||||
Save the configuration file and exit the text editor.
|
||||
</para>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<para>Restart the CUPS server with the command:
|
||||
|
||||
<programlisting><![CDATA[
|
||||
/etc/init.d/cupsys restart
|
||||
]]></programlisting>
|
||||
</para>
|
||||
</listitem>
|
||||
</orderedlist>
|
||||
|
||||
<para>
|
||||
You can follow the CUPS log with the following command:
|
||||
|
||||
<programlisting><![CDATA[
|
||||
tail -f /var/log/cups/error_log
|
||||
]]></programlisting>
|
||||
</para>
|
||||
<para>
|
||||
You should see a line that reads <computeroutput>Scheduler shutting down due to
|
||||
SIGTERM</computeroutput>. This indicates that the CUPS server was stopped successfully.
|
||||
</para>
|
||||
<para>
|
||||
Send your print job again and watch for useful debug messages that
|
||||
appear. One example of a useful debug message is <computeroutput>GNU Ghostscript
|
||||
7.05: Can't start ijs server 'hpijs'.</computeroutput> In this case the solution
|
||||
is to install the <quote>hpijs</quote> package.
|
||||
</para>
|
||||
<para>
|
||||
If you cannot determine the cause of the failure, do an Internet search
|
||||
for key terms in error messages you see; it is likely that someone
|
||||
has solved your problem before. You may also try upgrading the packages
|
||||
listed in <xref linkend="packages"/> to their latest versions.
|
||||
</para>
|
||||
|
||||
</sect2>
|
||||
</sect1>
|
||||
<sect1 id="license">
|
||||
<title>License</title>
|
||||
<para>
|
||||
Copyright © 2003 Ian Ward.
|
||||
</para>
|
||||
<para>
|
||||
This manual is free software; you may redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License as published by the Free Software
|
||||
Foundation; either version 2, or (at your option) any later version.
|
||||
</para>
|
||||
<para>
|
||||
This is distributed in the hope that it will be useful, but without any
|
||||
warranty; without even the implied warranty of merchantability or fitness for
|
||||
a particular purpose. See the GNU General Public License for more details.
|
||||
</para>
|
||||
<para>
|
||||
A copy of the GNU General Public License is available as
|
||||
/usr/share/common-licenses/GPL in the Debian GNU/Linux distribution or on the
|
||||
World Wide Web at http://www.gnu.org/copyleft/gpl.html. You can also obtain it
|
||||
by writing to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
||||
Boston, MA 02111-1307, USA.
|
||||
</para>
|
||||
|
||||
</sect1>
|
||||
</article>
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