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        <th colspan="3" align="center">LPRng Reference Manual: 24
        Sep 2004 (For LPRng-3.8.28)</th>
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  <div class="SECT1">
    <h1 class="SECT1"><a name="UPDATE" id="UPDATE">2.10. Updating
    Print Spooler Software and Startup Scripts</a></h1>

    <p>If you are replacing your existing print spooling spooling
    system, you must shut down and remove the existing print
    spooler software before installing the <b class=
    "APPLICATION">LPRng</b> software. This process is fairly system
    dependent, and requires a small amount of system expertise.</p>

    <p>To assist in this process the <b class=
    "APPLICATION">LPRng</b> installation has a set of <tt class=
    "LITERAL">preinstall</tt>, <tt class=
    "LITERAL">postinstall</tt>, <tt class="LITERAL">preremove</tt>,
    and <tt class="LITERAL">postremove</tt> scripts in the
    distribution that may be suitable for your local system use. If
    these fail to work during the system installation, you will
    need to carry out the steps described here by hand.</p>

    <div class="SECT2">
      <h2 class="SECT2"><a name="AEN1091" id="AEN1091">2.10.1.
      SunOS, Linux, and BSD Derived Systems</a></h2>

      <p>The <tt class="LITERAL">SunOS</tt>, <tt class=
      "LITERAL">Linux</tt>, and <tt class="LITERAL">BSD</tt>
      derived systems such as <tt class="LITERAL">BSDi</tt>,
      <tt class="LITERAL">FreeBSD</tt>, <tt class=
      "LITERAL">OpenBSD</tt>, and others use a version of the
      <span class="emphasis"><i class="EMPHASIS">legacy</i></span>
      or <span class="emphasis"><i class=
      "EMPHASIS">vintage</i></span> <b class="APPLICATION">lpd</b>
      print server and the <b class="APPLICATION">lpr</b>,
      <b class="APPLICATION">lprm</b>, <b class=
      "APPLICATION">lpq</b>, and <b class="APPLICATION">lpc</b>
      client programs. By convention, most of the printing related
      programs are in the <tt class="FILENAME">/usr/bin</tt>,
      <tt class="FILENAME">/usr/sbin</tt>, <tt class=
      "FILENAME">/usr/libexec</tt>, and <tt class=
      "FILENAME">/usr/ucb</tt> directories.</p>

      <p>The <b class="APPLICATION">lpd</b> print spooler is
      started by either the <tt class="COMMAND">rc</tt> startup
      script or by a <span class="emphasis"><i class=
      "EMPHASIS">startup script</i></span> file in the <tt class=
      "FILENAME">/etc/rc.d/init.d</tt> or <tt class=
      "FILENAME">/etc/init.d</tt> directory. You can first locate
      the startup commands as follows.</p>

      <ol type="1">
        <li>
          <p>Use the <span class="CITEREFENTRY"><span class=
          "REFENTRYTITLE">find</span>(1)</span> utility to search
          the <tt class="FILENAME">/etc</tt> directory for the file
          that contains the startup command.</p>

          <div class="INFORMALEXAMPLE">
            <a name="AEN1124" id="AEN1124"></a>
            <pre class="SCREEN">
<samp class="PROMPT">h4: {23} # </samp><kbd class=
"USERINPUT">cd /etc</kbd>
<samp class="PROMPT">h4: {24} # </samp><kbd class=
"USERINPUT">find . -type f -exec grep -l lpd {} \; -print</kbd>
./rc.local
</pre>
          </div>
        </li>

        <li>
          <p>Examine each of the files found find the one that
          starts the <b class="APPLICATION">lpd</b> print spooler.
          You can simply comment out the command or change it to
          start the <b class="APPLICATION">LPRng</b> <b class=
          "APPLICATION">lpd</b> print server.</p>

          <div class="INFORMALEXAMPLE">
            <a name="AEN1135" id="AEN1135"></a>
            <pre class="SCREEN">
<samp class="PROMPT">h4: {25} # </samp><kbd class=
"USERINPUT">more /etc/rc.local</kbd>
if [ -f /etc/printcap  -a -f /usr/libexec/lpd ] ; then
  /usr/libexec/lpd ;
fi

--- change this to
if [ -f /etc/printcap  -a -f /usr/sbin/lpd ] ; then
  /usr/sbin/lpd ;
fi
</pre>
          </div>
        </li>

        <li>
          <p>If you have an existing <tt class=
          "FILENAME">printcap</tt> file, then you should either
          copy this to the location used by <b class=
          "APPLICATION">LPRng</b> or make a symbolic link to
          it.</p>
        </li>
      </ol>

      <p>Next we kill the currently running <b class=
      "APPLICATION">lpd</b> process.</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1145" id="AEN1145"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h4: {26} # </samp><kbd class=
"USERINPUT">ps -auxw |grep lpd</kbd>
papowell 23932  0.0  0.3  224  184  p3  S+  10:40AM  0:00.01 grep lpd
daemon  17763  0.0  0.2  448  120  ??  IWs  29Mar99  0:01.35 (lpd)
<samp class="PROMPT">h4: {27} % </samp><kbd class=
"USERINPUT">kill 135</kbd>
<samp class="PROMPT">h4: {28} % </samp><kbd class=
"USERINPUT">kill 135</kbd>
135: No such process
</pre>
      </div>

      <p>Next, you should remove or rename the existing print
      system executables. The following example shows how to use
      the <b class="APPLICATION">find</b> utility to track down
      candidates.</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1155" id="AEN1155"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h4: {29} # </samp><kbd class=
"USERINPUT">find /usr -type f -name lp\*  -print &gt;/tmp/candidates</kbd>
<samp class="PROMPT">h4: {30} # </samp><kbd class=
"USERINPUT">find /sbin -type f -name lp\*  -print &gt;&gt;/tmp/candidates</kbd>
<samp class="PROMPT">h4: {31} # </samp><kbd class=
"USERINPUT">cat /tmp/candidates</kbd>
/usr/bin/lpunlock
/usr/bin/lpqall.faces
/usr/bin/lpq             &lt;---- old
/usr/bin/lpr             &lt;---- old
/usr/bin/lprm            &lt;---- old
/usr/bin/lptest
/usr/doc/samba-1.9.18p10/examples/printer-accounting/lp-acct
/usr/man/man1/lpq.1
/usr/man/man1/lpr.1
/usr/man/man1/lprm.1
/usr/man/man1/lptest.1
/usr/man/man4/lp.4
/usr/man/man8/lpc.8
/usr/man/man8/lpd.8
/usr/sbin/lpc            &lt;--- old
/usr/sbin/lpd            &lt;--- old
/usr/sbin/lpf            &lt;--- old
<samp class="PROMPT">h4: {32} # </samp><kbd class=
"USERINPUT">mv /usr/bin/lpq  /usr/bin/lpq.old</kbd>
<samp class="PROMPT">h4: {33} # </samp><kbd class=
"USERINPUT">mv /usr/bin/lpr  /usr/bin/lpr.old</kbd>
<samp class="PROMPT">h4: {34} # </samp><kbd class=
"USERINPUT">mv /usr/bin/lprm /usr/bin/lprm.old</kbd>
<samp class="PROMPT">h4: {35} # </samp><kbd class=
"USERINPUT">mv /usr/sbin/lpc /usr/sbin/lpc.old</kbd>
<samp class="PROMPT">h4: {36} # </samp><kbd class=
"USERINPUT">mv /usr/sbin/lpd /usr/sbin/lpd.old</kbd>
<samp class="PROMPT">h4: {37} # </samp><kbd class=
"USERINPUT">mv /usr/sbin/lpf /usr/sbin/lpf.old</kbd>
</pre>
      </div>

      <p>After all this, you should now run <tt class=
      "COMMAND">checkpc -f</tt> (as root) to make sure that the
      <b class="APPLICATION">LPRng</b> configuration is present and
      correctly set up, and then start <b class=
      "APPLICATION">lpd</b> by hand. You should try to use
      <b class="APPLICATION">lpq</b> to see if the spool queues are
      present and set up correctly and the system is
      functional.</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1181" id="AEN1181"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h4: {38} #</samp> <kbd class=
"USERINPUT">checkpc -f</kbd>
<samp class="PROMPT">h4: {39} #</samp> <kbd class=
"USERINPUT">lpd</kbd>
<samp class="PROMPT">h4: {40} #</samp> <kbd class=
"USERINPUT">lpq</kbd>
Printer: lw4@h2  'Hp : LaserWriter'
 Queue: no printable jobs in queue
 Status: job 'root@h2+884' removed at 11:27:25.864
 Filter_status: done at 11:27:25.766
<samp class="PROMPT">h4: {41} #</samp> <kbd class=
"USERINPUT">lpr /etc/motd</kbd>
<samp class="PROMPT">h4: {42} #</samp> <kbd class=
"USERINPUT">lpq</kbd>
Printer: lw4@h2  'Hp : LaserWriter'
 Queue: no printable jobs in queue
 Status: job 'root@h2+888' removed at 11:27:25.864
 Filter_status: done at 11:33:17.020
</pre>
      </div>

      <p>Finally, you should reboot your machine and make sure that
      the <b class="APPLICATION">lpd</b> print server starts
      correctly.</p>
    </div>

    <div class="SECT2">
      <h2 class="SECT2"><a name="SOLARISINSTALL" id=
      "SOLARISINSTALL">2.10.2. Solaris, HP-UX, and other SysVR4
      Derived Systems</a></h2>

      <p>The original SysVR4 (System V, Release 4) software did not
      have any support for RFC1179 network printing (Berkeley
      <b class="APPLICATION">lpd</b>). Support for this was added
      in a wide variety of different ways. There are a wide range
      of different ways that this was done, but most are based on
      the following system or process structure.</p>

      <p>The <tt class="LITERAL">lpsched</tt> process (<tt class=
      "FILENAME">/usr/lib/lp/lpsched/</tt>) process performs many
      of the functions of the <b class="APPLICATION">LPRng</b> and
      BSD <b class="APPLICATION">lpd</b> server. This process is
      responsible for overseeing job printing and starting
      processes for handling the print queues on the local host.
      This process must be shut down and the running print spooling
      servers terminated before <b class="APPLICATION">LPRng</b>
      can be correctly installed. While there is no simple and
      reliable method of shutting down a running <tt class=
      "LITERAL">lpsched</tt> process and the associated network
      services, it is simple to <span class="emphasis"><i class=
      "EMPHASIS">prevent</i></span> the process from being
      started.</p>

      <p>The <tt class="FILENAME">preinstall.solaris</tt> script is
      a file in the <b class="APPLICATION">LPRng</b> distribution
      that contains most of the commands needed to remove the
      Solaris System V printing software. These are explained in
      detail in the sections below. The procedures outlined below
      can be used on other SystemVR4 systems.</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1210" id="AEN1210"></a>
        <pre class="SCREEN">
#!/bin/sh
# This is an effort to automate the setup
#  needed to install the <b class=
"APPLICATION">LPRng</b> software on the
#  Solaris OS.  This is effectively a one way path.
#  You are warned.
PATH=/etc:/usr/etc:/usr/bin:/bin:/sbin:/usr/sbin:$PATH
# remove the init.d entry and links
for i in /etc/rc*.d/*lp ; do
    b=`basename $i`;
    d=`dirname $i`;
    mv $i $d/UNUSED.$b.UNUSED
done
# rename files
renameit () {
    for i in $* ; do
        if [ -f $i -a '!' -f $i.old ] ; then
            echo "renaming $i $i.old";
            mv $i $i.old
        fi
    done
}
renameit /usr/bin/lp /usr/bin/lpstat /usr/sbin/lpadmin \
  /usr/sbin/lpfilter /usr/sbin/lpforms /usr/sbin/lpmove \
  /usr/sbin/lpshut /usr/sbin/lpsystem /usr/sbin/lpusers \
  /usr/ucb/lpc /usr/ucb/lpq /usr/ucb/lpr /usr/ucb/lprm \
  /usr/ucb/lptest /usr/lib/lp/lpsched /usr/lib/lp/lpNet
# remove the cron entry
if [ -f /var/spool/cron/crontabs/lp ] ; then
    mv /var/spool/cron/crontabs/lp \
       /var/spool/cron/UNUSED.crontabs.lp
fi
# comment out inetd.conf entry
if egrep '^printer' /etc/inetd.conf &gt;/dev/null 2&gt;&amp; ; then
    mv /etc/inetd.conf /etc/inetd.conf.bak
    sed -e 's/^printer/# printer/' &lt;/etc/inetd.conf.bak \
       &gt;/etc/inetd.conf
fi
# remove the nlsadmin entry
nlsadmin -r lpd tcp
nlsadmin -r lp tcp
echo REBOOT SYSTEM and then install LPRng
</pre>
      </div>

      <p>First, you will need to remove the <tt class=
      "FILENAME">/etc/rc</tt> startup files in the <tt class=
      "FILENAME">/etc/rc*.d</tt> directories that start the
      <tt class="LITERAL">lpsched</tt> process; see the <tt class=
      "LITERAL">init</tt> program man page for details. You can
      find these files by using:</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1218" id="AEN1218"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h4: {43} # </samp><kbd class=
"USERINPUT">cd /</kbd>
<samp class="PROMPT">h4: {44} # </samp><kbd class=
"USERINPUT">find . -type f -exec grep -l lpsched {} \; -print &gt;/tmp/files</kbd>
<samp class="PROMPT">h4: {45} # </samp><kbd class=
"USERINPUT">cat /tmp/files</kbd>
/etc/rc0.d/K20lp
/etc/rc2.d/K20lp
/etc/rc2.d/S80lp
/etc/init.d/lp
<samp class="PROMPT">h4: {46} # </samp><kbd class=
"USERINPUT">ls -l ` cat /tmp/files `</kbd>
lrwxrwxr-x 1 root bin 1 Dec 29 23:39 /etc/rc0.d/K20lp -&gt; ../../init.d/lp
lrwxrwxr-x 1 root bin 1 Dec 29 23:39 /etc/rc2.d/K20lp -&gt; ../../init.d/lp
lrwxrwxr-x 1 root bin 1 Dec 29 23:39 /etc/rc2.d/S80lp -&gt; ../../init.d/lp
-rwxr--r-- 5 root sys 460 Sep 1 1998 /etc/rcS.d/K39lp
</pre>
      </div>

      <p>You can remove these files, or simply comment out all of
      the executable commands in the <tt class=
      "FILENAME">/etc/init.d/lp</tt> file. Next, find all of the
      printing related commands and rename them. For example:</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1230" id="AEN1230"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h4: {47} # </samp><kbd class=
"USERINPUT">find /usr -type f -name lp\* -print &gt;/etc/printingfiles</kbd>
<samp class="PROMPT">h4: {48} # </samp><kbd class=
"USERINPUT">cat /tmp/printingfiles</kbd>
/usr/bin/lp
/usr/bin/lpstat
/usr/lib/lp/bin/lp.cat
/usr/lib/lp/bin/lp.set
/usr/lib/lp/bin/lp.tell
/usr/lib/lp/lpNet
/usr/lib/lp/lpsched
/usr/lib/lp/lpdata
/usr/sbin/lpadmin
/usr/sbin/lpfilter
/usr/sbin/lpforms
/usr/sbin/lpmove
/usr/sbin/lpshut
/usr/sbin/lpsystem
/usr/sbin/lpusers
/usr/ucb/lpc
/usr/ucb/lpq
/usr/ucb/lpr
/usr/ucb/lprm
/usr/ucb/lptest
<samp class="PROMPT">h4: {49} # </samp><kbd class=
"USERINPUT">vi /tmp/printingfiles  # remove ones you want to save</kbd>
<samp class="PROMPT">h4: {50} # </samp><kbd class=
"USERINPUT">for i in ` cat /tmp/printingfiles ` ; do</kbd>
<samp class="PROMPT">&gt;</samp> <kbd class=
"USERINPUT">  if [ -f $i -a '!' -f $i.old ] ; then  mv $i $i.old ; fi;</kbd>
<samp class="PROMPT">&gt;</samp> <kbd class="USERINPUT">done</kbd>
</pre>
      </div>

      <p>On some systems there may be a <tt class=
      "COMMAND">cron</tt> file <tt class=
      "FILENAME">/var/spool/cron/crontabs/lp</tt> which is used to
      to periodically update and roll over error logs. You may want
      to remove this file or comment out its contents.</p>

      <p>Check the <tt class="FILENAME">/etc/inetd.conf</tt> file
      for a line like the one below and comment it out. This line
      is not present on all systems.</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1249" id="AEN1249"></a>
        <pre class="SCREEN">
printer stream tcp nowait root /usr/lib/print/in.lpd in.lpd
</pre>
      </div>

      <p>Use <tt class="COMMAND">nlsadmin</tt> to force the
      <tt class="LITERAL">TCP/IP listener</tt> to release the port,
      as illustrated below. This may not be present on all
      system.</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1254" id="AEN1254"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h4: {51} # </samp><kbd class=
"USERINPUT">nlsadmin -v tcp</kbd>
lpd  \x00020203000000000000000000000000  ENABLED  \
  NORPC  root  NOMODULES  /var/spool/lp/fifos/listenBSD  #
0  \x00020ACE000000000000000000000000  ENABLED    \
  NORPC  root  NOMODULES  /usr/lib/saf/nlps_server  #
lp  NOADDR  ENABLED  NORPC  root  NOMODULES \
  /var/spool/lp/fifos/listenS5  #
<samp class="PROMPT">h4: {52} # </samp><kbd class=
"USERINPUT">nlsadmin -r lpd tcp</kbd>
<samp class="PROMPT">h4: {53} # </samp><kbd class=
"USERINPUT">nlsadmin -r lp tcp</kbd>
</pre>
      </div>

      <p>Run <tt class="COMMAND">pmadm -l</tt> as shown below.</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1264" id="AEN1264"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h2.private: {2} # </samp><kbd class=
"USERINPUT">pmadm -l</kbd>
PMTAG    PMTYPE   SVCTAG   FLGS ID    &lt;PMSPECIFIC&gt;
zsmon    ttymon   ttya     u    root  /dev/term/a I - /usr/bin/login ...
zsmon    ttymon   ttyb     u    root  /dev/term/b I - /usr/bin/login ...
</pre>
      </div>If you see <tt class="COMMAND">zsmon</tt> entries for
      SystemV <tt class="COMMAND">lpsched</tt> support, then use
      <tt class="COMMAND">pmadm -r</tt> to remove them. These may
      not be present on all system. See the <tt class=
      "COMMAND">pmadm</tt> man page for details on the <tt class=
      "LITERAL">-r</tt> literal.

      <p>You must now <tt class="COMMAND">reboot</tt> the host.</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1275" id="AEN1275"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h4: {54} # </samp><kbd class=
"USERINPUT">shutdown -y "Whooga! Whooga! Dive! Dive! System going down."</kbd>
</pre>
      </div>

      <p>When the system reboots, make sure that there is no
      process listening on port 515 (printer port) by using:</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1280" id="AEN1280"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h4: {55} # </samp><kbd class=
"USERINPUT">telnet localhost 515</kbd>
</pre>
      </div>

      <p>If you can connect, then there is a problem beyond the
      scope of these instructions.</p>

      <p>Compile and/or install the <b class=
      "APPLICATION">LPRng</b> software. Make sure that the
      <b class="APPLICATION">LPRng</b> startup files have been
      installed correctly in <tt class=
      "FILENAME">/etc/init.d/lprng</tt> and that the symbolic links
      to the file have been made correctly. The <b class=
      "APPLICATION">LPRng</b> startup file will usually have the
      following contents and you should use the same filename
      formats that the <b class="APPLICATION">lp</b> startup files
      had for the links to the <tt class=
      "FILENAME">/etc/init.d/lprng</tt> startup file:</p>

      <div class="INFORMALEXAMPLE">
        <a name="AEN1292" id="AEN1292"></a>
        <pre class="SCREEN">
LPD_PATH=/usr/sbin/lpd
SHOWALL=-e
case "$1" in
  start)
        # Start daemons.
        /bin/echo "Starting lpd: \c"
        ${LPD_PATH}
        /bin/echo ""
        ;;
  stop)
        # Stop daemons.
        /bin/echo "Shutting down lpd: \c"
        kill -INT `ps ${SHOWALL} \
           | awk '/lpd/{ print $1;}'` &gt;/dev/null 2&gt;&amp;1
        /bin/echo " server stopped";
        ;;
  *)
        echo "Usage: $0 {start|stop}"
        exit 1
        ;;
esac
</pre>
      </div>Start the <b class="APPLICATION">lpd</b> server and
      then test it:

      <div class="INFORMALEXAMPLE">
        <a name="AEN1295" id="AEN1295"></a>
        <pre class="SCREEN">
<samp class="PROMPT">h4: {56} # </samp><kbd class=
"USERINPUT">checkpc -f</kbd>
<samp class="PROMPT">h4: {57} # </samp><kbd class=
"USERINPUT">/usr/sbin/lpd (or /usr/local/sbin/lpd)</kbd>
<samp class="PROMPT">h4: {58} # </samp><kbd class=
"USERINPUT">lpq</kbd>
Printer: lp
 Queue: no printable jobs in queue
</pre>
      </div>
    </div>
  </div>

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