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<title>9 Set up cron</title>
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<H1><A NAME="SECTION001900000000000000000">
9 Set up cron</A>
</H1>
<P>
Several Mailman features occur on a regular schedule, so you must set up
<b class="program">cron</b> to run the right programs at the right time<A NAME="tex2html6"
HREF="#foot551"><SUP>6</SUP></A>.
<P>
If your version of crontab supports the <b class="programopt">-u</b> option, you must be
root to do this next step. Add <span class="file"><var>$prefix</var>/cron/crontab.in</span> as a
crontab entry by executing these commands:
<P>
<div class="verbatim"><pre>
% cd $prefix/cron
% crontab -u mailman crontab.in
</pre></div>
<P>
If you used the <b class="programopt">--with-username</b> option, use that user name
instead of <code>mailman</code> for the <b class="programopt">-u</b> argument value. If your
crontab does not support the <b class="programopt">-u</b> option, try these commands:
<P>
<div class="verbatim"><pre>
% cd $prefix/cron
% su - mailman
% crontab crontab.in
</pre></div>
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<BR><HR><H4>Footnotes</H4>
<DL>
<DT><A NAME="foot551">... time</A><A
HREF="node41.html#tex2html6"><SUP>6</SUP></A></DT>
<DD>Note that
if you're upgrading from a previous version of Mailman, you'll want to install
the new crontab, but be careful if you're running multiple Mailman
installations on your site! Changing the crontab could mess with other
parallel Mailman installations.
</DD>
</DL>
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<span class="release-info">Release 2.1, documentation updated on May 12, 2005.</span>
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