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Yang, Tong
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
21 lines
3.3 KiB
HTML
21 lines
3.3 KiB
HTML
<a name="admin_guide_000254"></a><a name="admin_guide_000254"></a>
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<h1 class="topictitle1">Changing the Password for the OMS Kerberos Administrator</h1>
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<div id="body1529658735919"><div class="section" id="admin_guide_000254__section43716072113549"><h4 class="sectiontitle">Scenario</h4><p id="admin_guide_000254__p51340954113549">It is recommended that the administrator periodically change the password of OMS Kerberos administrator <strong id="admin_guide_000254__b744964313122">kadmin</strong> to improve the system O&M security.</p>
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<p id="admin_guide_000254__p59415409113549">If the user password is changed, the Kerberos administrator password is changed as well.</p>
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</div>
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<div class="section" id="admin_guide_000254__section346215718347"><h4 class="sectiontitle">Procedure</h4><ol id="admin_guide_000254__ol45536176113549"><li id="admin_guide_000254__li7172403113549"><span>Log in to any management node in the cluster as user <strong id="admin_guide_000254__b48513277138">omm</strong>.</span></li><li id="admin_guide_000254__li64551633113549"><span>Run the following command to go to the related directory:</span><p><p id="admin_guide_000254__p44093785113549"><strong id="admin_guide_000254__b46572479111645">cd ${BIGDATA_HOME}/om-server/om/meta-0.0.1-SNAPSHOT/kerberos/scripts</strong></p>
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</p></li><li id="admin_guide_000254__li14826839113549"><span>Run the following command to set environment variables:</span><p><p id="admin_guide_000254__p66332695113549"><strong id="admin_guide_000254__b60123350113549">source component_env</strong></p>
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</p></li><li id="admin_guide_000254__li4239246113549"><span>Run the following command to change the password for <strong id="admin_guide_000254__b918980307114338">kadmin/admin</strong>. The password changing takes effect on all servers.</span><p><p id="admin_guide_000254__p38153214113549"><strong id="admin_guide_000254__b7834608113549">kpasswd kadmin/admin</strong></p>
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<p id="admin_guide_000254__p3402614113549">The password must meet the following complexity requirements by default:</p>
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<ul id="admin_guide_000254__ul30623527113549"><li id="admin_guide_000254__li7176294113549">The password contains at least 8 characters.</li><li id="admin_guide_000254__li64586651113549">The password contains at least four types of the following characters: uppercase letters, lowercase letters, digits, and special characters can only be ~`!?,.:;-_'(){}[]/<>@#$%^&*+|\=.</li><li id="admin_guide_000254__li44408951113549">The password cannot be the same as the username or the username spelled backwards.</li><li id="admin_guide_000254__li1894134612512">The password cannot be a common easily-cracked passwords, for example, <strong id="admin_guide_000254__b108967616205">Admin@12345</strong>.</li><li id="admin_guide_000254__li64136243113549">The password cannot be the same as the password used in the last <em id="admin_guide_000254__i29650139203">N</em> times. <em id="admin_guide_000254__i169661136201">N</em> indicates the value of <strong id="admin_guide_000254__b179661113182019">Repetition Rule</strong> in <a href="admin_guide_000150.html">Configuring Password Policies</a>.</li></ul>
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</p></li></ol>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="admin_guide_000252.html">Changing the Password for a System Internal User</a></div>
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</div>
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</div>
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