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<h1><a href="../../index.html">MIT Kerberos Documentation</a></h1>
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<div class="section" id="k5srvutil">
<span id="k5srvutil-1"></span><h1>k5srvutil<a class="headerlink" href="#k5srvutil" title="Permalink to this headline">¶</a></h1>
<div class="section" id="synopsis">
<h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
<p><strong>k5srvutil</strong> <em>operation</em>
[<strong>-i</strong>]
[<strong>-f</strong> <em>filename</em>]
[<strong>-e</strong> <em>keysalts</em>]</p>
</div>
<div class="section" id="description">
<h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
<p>k5srvutil allows an administrator to list or change keys currently in
a keytab or to add new keys to the keytab.</p>
<p><em>operation</em> must be one of the following:</p>
<dl class="docutils">
<dt><strong>list</strong></dt>
<dd>Lists the keys in a keytab showing version number and principal
name.</dd>
<dt><strong>change</strong></dt>
<dd>Uses the kadmin protocol to update the keys in the Kerberos
database to new randomly-generated keys, and updates the keys in
the keytab to match. If a key’s version number doesn’t match the
version number stored in the Kerberos server’s database, then the
operation will fail. Old keys are retained in the keytab so that
existing tickets continue to work. If the <strong>-i</strong> flag is given,
k5srvutil will prompt for confirmation before changing each key.
If the <strong>-k</strong> option is given, the old and new keys will be
displayed. Ordinarily, keys will be generated with the default
encryption types and key salts. This can be overridden with the
<strong>-e</strong> option.</dd>
<dt><strong>delold</strong></dt>
<dd>Deletes keys that are not the most recent version from the keytab.
This operation should be used some time after a change operation
to remove old keys, after existing tickets issued for the service
have expired. If the <strong>-i</strong> flag is given, then k5srvutil will
prompt for confirmation for each principal.</dd>
<dt><strong>delete</strong></dt>
<dd>Deletes particular keys in the keytab, interactively prompting for
each key.</dd>
</dl>
<p>In all cases, the default keytab is used unless this is overridden by
the <strong>-f</strong> option.</p>
<p>k5srvutil uses the <a class="reference internal" href="kadmin_local.html#kadmin-1"><em>kadmin</em></a> program to edit the keytab in
place.</p>
</div>
<div class="section" id="see-also">
<h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
<p><a class="reference internal" href="kadmin_local.html#kadmin-1"><em>kadmin</em></a>, <a class="reference internal" href="ktutil.html#ktutil-1"><em>ktutil</em></a></p>
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<h2>On this page</h2>
<ul>
<li><a class="reference internal" href="#">k5srvutil</a><ul>
<li><a class="reference internal" href="#synopsis">SYNOPSIS</a></li>
<li><a class="reference internal" href="#description">DESCRIPTION</a></li>
<li><a class="reference internal" href="#see-also">SEE ALSO</a></li>
</ul>
</li>
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<h2>Table of contents</h2>
<ul class="current">
<li class="toctree-l1"><a class="reference internal" href="../../user/index.html">For users</a></li>
<li class="toctree-l1 current"><a class="reference internal" href="../index.html">For administrators</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="../install.html">Installation guide</a></li>
<li class="toctree-l2"><a class="reference internal" href="../conf_files/index.html">Configuration Files</a></li>
<li class="toctree-l2"><a class="reference internal" href="../realm_config.html">Realm configuration decisions</a></li>
<li class="toctree-l2"><a class="reference internal" href="../database.html">Database administration</a></li>
<li class="toctree-l2"><a class="reference internal" href="../lockout.html">Account lockout</a></li>
<li class="toctree-l2"><a class="reference internal" href="../conf_ldap.html">Configuring Kerberos with OpenLDAP back-end</a></li>
<li class="toctree-l2"><a class="reference internal" href="../appl_servers.html">Application servers</a></li>
<li class="toctree-l2"><a class="reference internal" href="../host_config.html">Host configuration</a></li>
<li class="toctree-l2"><a class="reference internal" href="../backup_host.html">Backups of secure hosts</a></li>
<li class="toctree-l2"><a class="reference internal" href="../pkinit.html">PKINIT configuration</a></li>
<li class="toctree-l2"><a class="reference internal" href="../otp.html">OTP Preauthentication</a></li>
<li class="toctree-l2"><a class="reference internal" href="../princ_dns.html">Principal names and DNS</a></li>
<li class="toctree-l2"><a class="reference internal" href="../enctypes.html">Encryption types</a></li>
<li class="toctree-l2 current"><a class="reference internal" href="index.html">Administration programs</a><ul class="current">
<li class="toctree-l3"><a class="reference internal" href="kadmin_local.html">kadmin</a></li>
<li class="toctree-l3"><a class="reference internal" href="kadmind.html">kadmind</a></li>
<li class="toctree-l3"><a class="reference internal" href="kdb5_util.html">kdb5_util</a></li>
<li class="toctree-l3"><a class="reference internal" href="kdb5_ldap_util.html">kdb5_ldap_util</a></li>
<li class="toctree-l3"><a class="reference internal" href="krb5kdc.html">krb5kdc</a></li>
<li class="toctree-l3"><a class="reference internal" href="kprop.html">kprop</a></li>
<li class="toctree-l3"><a class="reference internal" href="kpropd.html">kpropd</a></li>
<li class="toctree-l3"><a class="reference internal" href="kproplog.html">kproplog</a></li>
<li class="toctree-l3"><a class="reference internal" href="ktutil.html">ktutil</a></li>
<li class="toctree-l3 current"><a class="current reference internal" href="">k5srvutil</a></li>
<li class="toctree-l3"><a class="reference internal" href="sserver.html">sserver</a></li>
</ul>
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<li class="toctree-l2"><a class="reference internal" href="../../mitK5defaults.html">MIT Kerberos defaults</a></li>
<li class="toctree-l2"><a class="reference internal" href="../env_variables.html">Environment variables</a></li>
<li class="toctree-l2"><a class="reference internal" href="../troubleshoot.html">Troubleshooting</a></li>
<li class="toctree-l2"><a class="reference internal" href="../advanced/index.html">Advanced topics</a></li>
<li class="toctree-l2"><a class="reference internal" href="../various_envs.html">Various links</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../../appdev/index.html">For application developers</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../plugindev/index.html">For plugin module developers</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../build/index.html">Building Kerberos V5</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../basic/index.html">Kerberos V5 concepts</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../mitK5features.html">MIT Kerberos features</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../build_this.html">How to build this documentation from the source</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../about.html">Contributing to the MIT Kerberos Documentation</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../resources.html">Resources</a></li>
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