90 lines
5.4 KiB
HTML
90 lines
5.4 KiB
HTML
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<meta name="DC.Title" content="Change Kerberos passwords" />
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<meta name="abstract" content="The kpasswd command will change the password for the specified Kerberos principal using the password change service." />
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<title>Change Kerberos passwords</title>
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</head>
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<body id="rzakhnewpswds"><a name="rzakhnewpswds"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Change Kerberos passwords</h1>
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<div><p>The <span class="cmdname">kpasswd</span> command will change the password
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for the specified Kerberos principal using the password change service. </p>
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<div class="section"><div class="p"> You must supply the current password for the principal as well
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as the new password. The password server will apply any applicable password
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policy rules to the new password before changing the password. The password
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server is configured during the installation and configuration of the Kerberos
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server. See the documentation that corresponds with that system. <div class="note"><span class="notetitle">Note:</span> i5/OS™ PASE
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does not support a password server. To change a password for a principal stored
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on the Kerberos server, you must enter the PASE environment (call QP2TERM)
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and issue the kpasswd command. </div>
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</div>
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<p>During network authentication
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service configuration you can specify that name of the password server. If
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one has not been specified during configuration, you can <a href="rzakhaddpass.htm#rzakhaddpass">add</a> a
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password server.</p>
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<p>You may not change the password for a ticket-granting
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service principal (krbtgt/realm) using the <span class="cmdname">kpasswd</span> command.</p>
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</div>
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<ul><li class="stepexpand"><span>To change the password for the default principal:</span><ul><li>On a Qshell command line, enter <tt>kpasswd</tt></li>
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<li>On a command line, enter <tt>call qsys/qkrbkpsswd</tt></li>
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</ul>
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</li>
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<li class="stepexpand"><span>To change the password for another principal:</span><ul><li>On a Qshell command line, enter <tt>kpasswd jday@myco.com</tt></li>
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</ul>
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</li>
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<li class="stepexpand"><span>To change the password for another principal in i5/OS PASE:</span> <p><strong>Using a character-based interface</strong></p>
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<ol><li class="substepexpand"><span>In a character-based interface, enter <tt>call QP2TERM</tt>.</span> This command opens an interactive shell environment that allows you
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to work with i5/OS PASE
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applications.</li>
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<li class="substepexpand"><span>At the command line, enter <tt>export PATH=$PATH:/usr/krb5/sbin</tt>.</span> This command points to the Kerberos scripts that are necessary to run
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the executable files.</li>
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<li class="substepexpand"><span>At the QSH prompt, enter <tt>kadmin -p admin/admin</tt>. Press
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Enter.</span></li>
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<li class="substepexpand"><span>Sign in with your administrator's username and password.</span></li>
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<li class="substepexpand"><span>Enter <tt>kpasswd jday@myco.com</tt>. You will be prompted to
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change the password for this principal.</span></li>
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</ol>
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<p><strong>Using a command line</strong></p>
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<ol><li><span>On an command line, enter <tt>call qsys/qkrbkpsswd parm ('jday@myco.com')</tt></span></li>
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</ol>
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</li>
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</ul>
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<div class="section"><p>For more details on the use of this command, see the <strong>passwd</strong> usage
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notes.</p>
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</div>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="kpasswd.htm">kpasswd</a></strong><br />
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The Qshell command <span class="cmdname">kpasswd</span> changes a password
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for a kerberos principal.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakhmanage.htm" title="Manage network authentication service by requesting tickets, working with key table files, and administering host name resolution. You can also work with credentials files and back up configuration files.">Manage network authentication service</a></div>
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</div>
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</div>
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</body>
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