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<h1><a href="../../index.html">MIT Kerberos Documentation</a></h1>
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<div class="section" id="ktutil">
<span id="ktutil-1"></span><h1>ktutil<a class="headerlink" href="#ktutil" 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>ktutil</strong></p>
</div>
<div class="section" id="description">
<h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
<p>The ktutil command invokes a command interface from which an
administrator can read, write, or edit entries in a keytab or Kerberos
V4 srvtab file.</p>
</div>
<div class="section" id="commands">
<h2>COMMANDS<a class="headerlink" href="#commands" title="Permalink to this headline">¶</a></h2>
<div class="section" id="list">
<h3>list<a class="headerlink" href="#list" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>list</strong></div></blockquote>
<p>Displays the current keylist.</p>
<p>Alias: <strong>l</strong></p>
</div>
<div class="section" id="read-kt">
<h3>read_kt<a class="headerlink" href="#read-kt" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>read_kt</strong> <em>keytab</em></div></blockquote>
<p>Read the Kerberos V5 keytab file <em>keytab</em> into the current keylist.</p>
<p>Alias: <strong>rkt</strong></p>
</div>
<div class="section" id="read-st">
<h3>read_st<a class="headerlink" href="#read-st" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>read_st</strong> <em>srvtab</em></div></blockquote>
<p>Read the Kerberos V4 srvtab file <em>srvtab</em> into the current keylist.</p>
<p>Alias: <strong>rst</strong></p>
</div>
<div class="section" id="write-kt">
<h3>write_kt<a class="headerlink" href="#write-kt" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>write_kt</strong> <em>keytab</em></div></blockquote>
<p>Write the current keylist into the Kerberos V5 keytab file <em>keytab</em>.</p>
<p>Alias: <strong>wkt</strong></p>
</div>
<div class="section" id="write-st">
<h3>write_st<a class="headerlink" href="#write-st" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>write_st</strong> <em>srvtab</em></div></blockquote>
<p>Write the current keylist into the Kerberos V4 srvtab file <em>srvtab</em>.</p>
<p>Alias: <strong>wst</strong></p>
</div>
<div class="section" id="clear-list">
<h3>clear_list<a class="headerlink" href="#clear-list" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>clear_list</strong></div></blockquote>
<p>Clear the current keylist.</p>
<p>Alias: <strong>clear</strong></p>
</div>
<div class="section" id="delete-entry">
<h3>delete_entry<a class="headerlink" href="#delete-entry" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>delete_entry</strong> <em>slot</em></div></blockquote>
<p>Delete the entry in slot number <em>slot</em> from the current keylist.</p>
<p>Alias: <strong>delent</strong></p>
</div>
<div class="section" id="add-entry">
<h3>add_entry<a class="headerlink" href="#add-entry" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>add_entry</strong> {<strong>-key</strong>|<strong>-password</strong>} <strong>-p</strong> <em>principal</em>
<strong>-k</strong> <em>kvno</em> [<strong>-e</strong> <em>enctype</em>] [<strong>-f</strong>|<strong>-s</strong> <em>salt</em>]</div></blockquote>
<p>Add <em>principal</em> to keylist using key or password. If the <strong>-f</strong> flag
is specified, salt information will be fetched from the KDC; in this
case the <strong>-e</strong> flag may be omitted, or it may be supplied to force a
particular enctype. If the <strong>-f</strong> flag is not specified, the <strong>-e</strong>
flag must be specified, and the default salt will be used unless
overridden with the <strong>-s</strong> option.</p>
<p>Alias: <strong>addent</strong></p>
</div>
<div class="section" id="list-requests">
<h3>list_requests<a class="headerlink" href="#list-requests" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>list_requests</strong></div></blockquote>
<p>Displays a listing of available commands.</p>
<p>Aliases: <strong>lr</strong>, <strong>?</strong></p>
</div>
<div class="section" id="quit">
<h3>quit<a class="headerlink" href="#quit" title="Permalink to this headline">¶</a></h3>
<blockquote>
<div><strong>quit</strong></div></blockquote>
<p>Quits ktutil.</p>
<p>Aliases: <strong>exit</strong>, <strong>q</strong></p>
</div>
</div>
<div class="section" id="example">
<h2>EXAMPLE<a class="headerlink" href="#example" title="Permalink to this headline">¶</a></h2>
<blockquote>
<div><div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">ktutil</span><span class="p">:</span> <span class="n">add_entry</span> <span class="o">-</span><span class="n">password</span> <span class="o">-</span><span class="n">p</span> <span class="n">alice</span><span class="nd">@BLEEP</span><span class="o">.</span><span class="n">COM</span> <span class="o">-</span><span class="n">k</span> <span class="mi">1</span> <span class="o">-</span><span class="n">e</span>
<span class="n">aes128</span><span class="o">-</span><span class="n">cts</span><span class="o">-</span><span class="n">hmac</span><span class="o">-</span><span class="n">sha1</span><span class="o">-</span><span class="mi">96</span>
<span class="n">Password</span> <span class="k">for</span> <span class="n">alice</span><span class="nd">@BLEEP</span><span class="o">.</span><span class="n">COM</span><span class="p">:</span>
<span class="n">ktutil</span><span class="p">:</span> <span class="n">add_entry</span> <span class="o">-</span><span class="n">password</span> <span class="o">-</span><span class="n">p</span> <span class="n">alice</span><span class="nd">@BLEEP</span><span class="o">.</span><span class="n">COM</span> <span class="o">-</span><span class="n">k</span> <span class="mi">1</span> <span class="o">-</span><span class="n">e</span>
<span class="n">aes256</span><span class="o">-</span><span class="n">cts</span><span class="o">-</span><span class="n">hmac</span><span class="o">-</span><span class="n">sha1</span><span class="o">-</span><span class="mi">96</span>
<span class="n">Password</span> <span class="k">for</span> <span class="n">alice</span><span class="nd">@BLEEP</span><span class="o">.</span><span class="n">COM</span><span class="p">:</span>
<span class="n">ktutil</span><span class="p">:</span> <span class="n">write_kt</span> <span class="n">keytab</span>
<span class="n">ktutil</span><span class="p">:</span>
</pre></div>
</div>
</div></blockquote>
</div>
<div class="section" id="environment">
<h2>ENVIRONMENT<a class="headerlink" href="#environment" title="Permalink to this headline">¶</a></h2>
<p>See <a class="reference internal" href="../../user/user_config/kerberos.html#kerberos-7"><span class="std std-ref">kerberos</span></a> for a description of Kerberos environment
variables.</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"><span class="std std-ref">kadmin</span></a>, <a class="reference internal" href="kdb5_util.html#kdb5-util-8"><span class="std std-ref">kdb5_util</span></a>, <a class="reference internal" href="../../user/user_config/kerberos.html#kerberos-7"><span class="std std-ref">kerberos</span></a></p>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="sidebar">
<h2>On this page</h2>
<ul>
<li><a class="reference internal" href="#">ktutil</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="#commands">COMMANDS</a><ul>
<li><a class="reference internal" href="#list">list</a></li>
<li><a class="reference internal" href="#read-kt">read_kt</a></li>
<li><a class="reference internal" href="#read-st">read_st</a></li>
<li><a class="reference internal" href="#write-kt">write_kt</a></li>
<li><a class="reference internal" href="#write-st">write_st</a></li>
<li><a class="reference internal" href="#clear-list">clear_list</a></li>
<li><a class="reference internal" href="#delete-entry">delete_entry</a></li>
<li><a class="reference internal" href="#add-entry">add_entry</a></li>
<li><a class="reference internal" href="#list-requests">list_requests</a></li>
<li><a class="reference internal" href="#quit">quit</a></li>
</ul>
</li>
<li><a class="reference internal" href="#example">EXAMPLE</a></li>
<li><a class="reference internal" href="#environment">ENVIRONMENT</a></li>
<li><a class="reference internal" href="#see-also">SEE ALSO</a></li>
</ul>
</li>
</ul>
<br/>
<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="../dbtypes.html">Database types</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="../spake.html">SPAKE Preauthentication</a></li>
<li class="toctree-l2"><a class="reference internal" href="../dictionary.html">Addressing dictionary attack risks</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"><a class="reference internal" href="../https.html">HTTPS proxy configuration</a></li>
<li class="toctree-l2"><a class="reference internal" href="../auth_indicator.html">Authentication indicators</a></li>
<li class="toctree-l2 current"><a class="reference internal" href="index.html">Administration programs</a><ul class="current">
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<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 current"><a class="current reference internal" href="#">ktutil</a></li>
<li class="toctree-l3"><a class="reference internal" href="k5srvutil.html">k5srvutil</a></li>
<li class="toctree-l3"><a class="reference internal" href="sserver.html">sserver</a></li>
</ul>
</li>
<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>
</ul>
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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="../../formats/index.html">Protocols and file formats</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>
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