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<title>kvno — MIT Kerberos Documentation</title>
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<h1><a href="../../index.html">MIT Kerberos Documentation</a></h1>
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<div class="section" id="kvno">
<span id="kvno-1"></span><h1>kvno<a class="headerlink" href="#kvno" 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>kvno</strong>
[<strong>-c</strong> <em>ccache</em>]
[<strong>-e</strong> <em>etype</em>]
[<strong>-q</strong>]
[<strong>-h</strong>]
[<strong>-P</strong>]
[<strong>-S</strong> <em>sname</em>]
[<strong>-U</strong> <em>for_user</em>]
<em>service1 service2</em> ...</p>
</div>
<div class="section" id="description">
<h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
<p>kvno acquires a service ticket for the specified Kerberos principals
and prints out the key version numbers of each.</p>
</div>
<div class="section" id="options">
<h2>OPTIONS<a class="headerlink" href="#options" title="Permalink to this headline">¶</a></h2>
<dl class="docutils">
<dt><strong>-c</strong> <em>ccache</em></dt>
<dd>Specifies the name of a credentials cache to use (if not the
default)</dd>
<dt><strong>-e</strong> <em>etype</em></dt>
<dd>Specifies the enctype which will be requested for the session key
of all the services named on the command line. This is useful in
certain backward compatibility situations.</dd>
<dt><strong>-q</strong></dt>
<dd>Suppress printing output when successful. If a service ticket
cannot be obtained, an error message will still be printed and
kvno will exit with nonzero status.</dd>
<dt><strong>-h</strong></dt>
<dd>Prints a usage statement and exits.</dd>
<dt><strong>-P</strong></dt>
<dd>Specifies that the <em>service1 service2</em> ... arguments are to be
treated as services for which credentials should be acquired using
constrained delegation. This option is only valid when used in
conjunction with protocol transition.</dd>
<dt><strong>-S</strong> <em>sname</em></dt>
<dd>Specifies that the <em>service1 service2</em> ... arguments are
interpreted as hostnames, and the service principals are to be
constructed from those hostnames and the service name <em>sname</em>.
The service hostnames will be canonicalized according to the usual
rules for constructing service principals.</dd>
<dt><strong>-U</strong> <em>for_user</em></dt>
<dd>Specifies that protocol transition (S4U2Self) is to be used to
acquire a ticket on behalf of <em>for_user</em>. If constrained
delegation is not requested, the service name must match the
credentials cache client principal.</dd>
</dl>
</div>
<div class="section" id="environment">
<h2>ENVIRONMENT<a class="headerlink" href="#environment" title="Permalink to this headline">¶</a></h2>
<p>kvno uses the following environment variable:</p>
<dl class="docutils">
<dt><strong>KRB5CCNAME</strong></dt>
<dd>Location of the credentials (ticket) cache.</dd>
</dl>
</div>
<div class="section" id="files">
<h2>FILES<a class="headerlink" href="#files" title="Permalink to this headline">¶</a></h2>
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<dt><a class="reference internal" href="../../mitK5defaults.html#paths"><em>DEFCCNAME</em></a></dt>
<dd>Default location of the credentials cache</dd>
</dl>
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<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="kinit.html#kinit-1"><em>kinit</em></a>, <a class="reference internal" href="kdestroy.html#kdestroy-1"><em>kdestroy</em></a></p>
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<h2>On this page</h2>
<ul>
<li><a class="reference internal" href="#">kvno</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="#options">OPTIONS</a></li>
<li><a class="reference internal" href="#environment">ENVIRONMENT</a></li>
<li><a class="reference internal" href="#files">FILES</a></li>
<li><a class="reference internal" href="#see-also">SEE ALSO</a></li>
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<h2>Table of contents</h2>
<ul class="current">
<li class="toctree-l1 current"><a class="reference internal" href="../index.html">For users</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="../pwd_mgmt.html">Password management</a></li>
<li class="toctree-l2"><a class="reference internal" href="../tkt_mgmt.html">Ticket management</a></li>
<li class="toctree-l2"><a class="reference internal" href="../user_config/index.html">User config files</a></li>
<li class="toctree-l2 current"><a class="reference internal" href="index.html">User commands</a><ul class="current">
<li class="toctree-l3"><a class="reference internal" href="kdestroy.html">kdestroy</a></li>
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<li class="toctree-l3 current"><a class="current reference internal" href="">kvno</a></li>
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<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>
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