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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<th colspan="3" align="center">LPRng-HOWTO: 1 Apr 2002
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<td width="80%" align="center" valign="bottom">Chapter
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<div class="SECT1">
<h1 class="SECT1"><a name="CM">12.3. Simple Server Printcap
Example</a></h1>
<p>Options used:</p>
<ul>
<li>
<p><tt class="LITERAL">cm=</tt><i class=
"EMPHASIS">comment for status</i></p>
</li>
<li>
<p><tt class="LITERAL">filter=</tt><i class=
"EMPHASIS">job filter</i></p>
</li>
<li>
<p><tt class="LITERAL">lf=</tt><i class="EMPHASIS">log
file</i></p>
</li>
<li>
<p><tt class="LITERAL">af=</tt><i class=
"EMPHASIS">accounting file</i></p>
</li>
<li>
<p><tt class="LITERAL">lp=</tt><i class="EMPHASIS">output
device</i></p>
</li>
<li>
<p><tt class="LITERAL">mx=</tt><i class=
"EMPHASIS">maximum job size</i></p>
</li>
<li>
<p><tt class="LITERAL">sd=</tt><i class="EMPHASIS">spool
directory file</i></p>
</li>
</ul>
<br>
<br>
<p>The previous section discussed printcap entries for use by
the client programs. Now we will discuss printcap entries for
use by the <b class="APPLICATION">lpd</b> server. In simple
configurations or when we have the <tt class=
"LITERAL">force_localhost</tt> option enabled we can use the
same printcap for both <b class="APPLICATION">LPRng</b>
clients and the <b class="APPLICATION">lpd</b> server.</p>
<div class="INFORMALEXAMPLE">
<a name="AEN5634"></a>
<pre class="SCREEN">
# Local ASCII printer
lp1|printer
:server
:cm=Dumb printer
:lp=/dev/lp1
:sd=/var/spool/lpd/lp1
:lf=log:af=acct
:filter=/usr/local/libexec/filters/ifhp
:mx=0
</pre>
</div>
<br>
<br>
<ol type="1">
<li>
<p>The printcap entry name is <tt class=
"LITERAL">lp1</tt>. This information will be displayed
when requesting status information using the <b class=
"APPLICATION">lpq</b> program.</p>
</li>
<li>
<p>The <tt class="LITERAL">printer</tt> alias. This
allows a single spool queue to have multiple names.</p>
</li>
<li>
<p>The <tt class="LITERAL">:server</tt> option specifies
this printcap entry is only used by <b class=
"APPLICATION">lpd</b> server.</p>
</li>
<li>
<p>The <tt class="LITERAL">:cm</tt> field supplies a
information field for <b class="APPLICATION">lpq</b>
(printer status) output.</p>
</li>
<li>
<p>The <tt class="LITERAL">:lp</tt> value specifies the
destination file, device or remote spool queue to which
data is sent. In this example it is the device <tt class=
"FILENAME">/dev/lp1</tt>. By default, IO devices are
opened for <i class="EMPHASIS">write-only</i>
operation.</p>
</li>
<li>
<p>The <tt class="LITERAL">:sd=/path</tt> specifies the
<i class="EMPHASIS">spool directory</i> where print job
files are stored until they are printed.</p>
</li>
<li>
<p>The <tt class="LITERAL">:lf</tt> and <tt class=
"LITERAL">:af</tt> options specify the names of the log
and accounting files, respectively. These have the
default values <tt class="LITERAL">log</tt> and <tt
class="LITERAL">acct</tt> respectively. If not an
absolute path, the file is relative to the spool queue
directory. If these files don't exist, they will not be
created, and no logging or accounting will be done. You
will need to create them manually (e.g., by using <tt
class="LITERAL">touch</tt>) or by using the <i class=
"EMPHASIS"><a href="checkpc.htm">checkpc</a></i> program.
If you do not want a log or accounting file, then use <tt
class="LITERAL">:lf=</tt>, i.e. - no value.</p>
</li>
<li>
<p>The <tt class="LITERAL">:filter=/path</tt> option
specifies a filter program to be used to process job
files. Filters and print formats are discussed in <a
href="filters.htm">Filters</a>.</p>
</li>
<li>
<p><tt class="LITERAL">mx</tt> indicates the maximum file
size for a print job. Specifying 0 means that there is no
limit.</p>
</li>
</ol>
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