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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: wanghuijuan738 <wanghuijuan738@huawei.com> Co-committed-by: wanghuijuan738 <wanghuijuan738@huawei.com>
47 lines
8.1 KiB
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47 lines
8.1 KiB
HTML
<a name="EN-US_TOPIC_0122627689"></a><a name="EN-US_TOPIC_0122627689"></a>
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<h1 class="topictitle1">Resetting the Password in the ECS OS</h1>
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<div id="body1532068415229"><div class="section" id="EN-US_TOPIC_0122627689__section11722115773514"><h4 class="sectiontitle">Scenarios</h4><p id="EN-US_TOPIC_0122627689__p8397174115130">This section describes how to reset the password for logging in to an <span id="EN-US_TOPIC_0122627689__text1491821105215">ECS</span> in the OS when the password is about to expire, the password is forgotten, or you are logging in to the <span id="EN-US_TOPIC_0122627689__text132081103550">ECS</span> for the first time. It is a good practice to change the initial password upon the first login.</p>
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</div>
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<div class="section" id="EN-US_TOPIC_0122627689__section3844435019"><h4 class="sectiontitle">Prerequisites</h4><p id="EN-US_TOPIC_0122627689__p760159135013">The <span id="EN-US_TOPIC_0122627689__text56101159201912">ECS</span> can be logged in.</p>
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</div>
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<div class="section" id="EN-US_TOPIC_0122627689__section8845441181739"><h4 class="sectiontitle">Background</h4><p id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0021426802_p6815706202029"><a href="#EN-US_TOPIC_0122627689__en-us_topic_0021426802_table4381109318958">Table 1</a> shows the <span id="EN-US_TOPIC_0122627689__text849616018206">ECS</span> password complexity requirements.</p>
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<div class="tablenoborder"><a name="EN-US_TOPIC_0122627689__en-us_topic_0021426802_table4381109318958"></a><a name="en-us_topic_0021426802_table4381109318958"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0122627689__en-us_topic_0021426802_table4381109318958" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Password complexity requirements</caption><thead align="left"><tr id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_row925712618958"><th align="left" class="cellrowborder" valign="top" width="23.400000000000002%" id="mcps1.3.3.3.2.3.1.1"><p id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_p1162970218958">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="76.6%" id="mcps1.3.3.3.2.3.1.2"><p id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_p248177818958">Requirement</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_row4260571318958"><td class="cellrowborder" valign="top" width="23.400000000000002%" headers="mcps1.3.3.3.2.3.1.1 "><p id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_p2851073918958">Password</p>
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</td>
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<td class="cellrowborder" valign="top" width="76.6%" headers="mcps1.3.3.3.2.3.1.2 "><ul id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_ul5961106018958"><li id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_li6376657018958">Consists of 8 to 26 characters. </li><li id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_li52807732181018">Contains at least three of the following character types:<ul id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_ul24583583181022"><li id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_li30443664181018">Uppercase letters</li><li id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_li4078050181018">Lowercase letters</li><li id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_li29325375181018">Digits</li><li id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_li132021431143219">Special characters: $!@%-_=+[]:./^,{}?</li></ul>
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</li><li id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_li38450401173547">Cannot contain the username or the username spelled backwards.</li><li id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_en-us_topic_0067909751_en-us_topic_0021426802_li531840181018">Cannot contain more than two consecutive characters in the same sequence as they appear in the username. (This requirement applies only to Windows <span id="EN-US_TOPIC_0122627689__en-us_topic_0035643949_text153189271104">ECS</span>s.)</li></ul>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="EN-US_TOPIC_0122627689__section5482101418386"><h4 class="sectiontitle">Windows <span id="EN-US_TOPIC_0122627689__text9583135312134">ECS</span></h4><p id="EN-US_TOPIC_0122627689__p181881318195513">For a Windows <span id="EN-US_TOPIC_0122627689__text18348431135511">ECS</span>, log in to the ECS using the old password and reset the password in the OS.</p>
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<ol id="EN-US_TOPIC_0122627689__ol23004457215035"><li id="EN-US_TOPIC_0122627689__li5504163011320">Log in to the Windows <span id="EN-US_TOPIC_0122627689__text64483292017">ECS</span>.<p id="EN-US_TOPIC_0122627689__p1366616322038">For details, see <a href="en-us_topic_0092494943.html">Login Overview (Windows)</a>.</p>
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</li><li id="EN-US_TOPIC_0122627689__li47245438105630">Press <strong id="EN-US_TOPIC_0122627689__b84235270601135">Win+R</strong> to start the <strong id="EN-US_TOPIC_0122627689__b84235270601228">Run</strong> dialog box.</li><li id="EN-US_TOPIC_0122627689__li45726854105714">Enter <strong id="EN-US_TOPIC_0122627689__b842352706155117">cmd</strong> to open the command-line interface (CLI) window.</li><li id="EN-US_TOPIC_0122627689__li3687176215035">Enter a new password that meets the requirements listed in <a href="#EN-US_TOPIC_0122627689__en-us_topic_0021426802_table4381109318958">Table 1</a>.<p id="EN-US_TOPIC_0122627689__p28751713215144"><strong id="EN-US_TOPIC_0122627689__b553554283152234">net user</strong> <strong id="EN-US_TOPIC_0122627689__b435775987152234">Administrator</strong> <em id="EN-US_TOPIC_0122627689__i2075987327152234">new-password</em></p>
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</li></ol>
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</div>
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<div class="section" id="EN-US_TOPIC_0122627689__section101130226450"><h4 class="sectiontitle">Resetting the Password of a Linux <span id="EN-US_TOPIC_0122627689__text174950919595">ECS</span></h4><ol id="EN-US_TOPIC_0122627689__en-us_topic_0021427650_ol58530541202027"><li id="EN-US_TOPIC_0122627689__en-us_topic_0021427650_li57012826202027">Use the existing key file to log in to the <span id="EN-US_TOPIC_0122627689__text1018418125201">ECS</span> as user <strong id="EN-US_TOPIC_0122627689__b991892545614">root</strong> through SSH.<p id="EN-US_TOPIC_0122627689__p1916414085020">For details, see <a href="en-us_topic_0017955380.html">Logging In to a Linux ECS Using an SSH Key Pair</a>.</p>
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</li><li id="EN-US_TOPIC_0122627689__en-us_topic_0021427650_li54636160202027">Run the following command to reset the password of user <strong id="EN-US_TOPIC_0122627689__b31040509104828">root</strong>:<p id="EN-US_TOPIC_0122627689__en-us_topic_0021427650_p63452839202027"><strong id="EN-US_TOPIC_0122627689__en-us_topic_0021427650_b34204642202027">passwd</strong></p>
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<p id="EN-US_TOPIC_0122627689__en-us_topic_0021427650_p39406326202027">To reset the password of another user, replace <strong id="EN-US_TOPIC_0122627689__b1665417462416">passwd</strong> with <strong id="EN-US_TOPIC_0122627689__b1865464616418">passwd username</strong>.</p>
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</li><li id="EN-US_TOPIC_0122627689__en-us_topic_0021427650_li19112621202027">Enter a new password that meets the requirements listed in <a href="#EN-US_TOPIC_0122627689__en-us_topic_0021426802_table4381109318958">Table 1</a> as prompted.<pre class="screen" id="EN-US_TOPIC_0122627689__en-us_topic_0021427650_screen5410559911038">New password:
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Retype new password:</pre>
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<div class="p" id="EN-US_TOPIC_0122627689__p89426584018">If the following information is displayed, the password has been changed:<pre class="screen" id="EN-US_TOPIC_0122627689__en-us_topic_0021427650_screen11402728202027">passwd: all authentication tokens updates successfully</pre>
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</div>
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</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="en-us_topic_0031073513.html">Password Reset</a></div>
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</div>
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</div>
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